Publication List

・“Composition control of alloy nanoparticles consisting of bulk-immiscible Au and Rh metals via an ionic liquid/metal sputtering technique for improving their electrocatalytic activity", Kazutaka Akiyoshi, Yumezo Watanabe, Tatsuya Kameyama, Tokuhisa Kawawaki, Yuichi Negishi, Susumu Kuwabata and Tsukasa Torimoto, Phys. Chem. Chem. Phys., 24, 24335-24344 (2022) DOI:10.1039/D2CP01461K
・“Direct Detection of Long-Range Interdomain Auger Recombination in Dumbbell-Shaped Quasi-Type-Ⅱ Nanoparticle", Masafumi Koga, Ko Masuoka, Shuhei Tsuneizumi, Tatsuya Kameyama, Syoji Ito, Tsukasa Torimoto, and Hiroshi Miyasaka, J. Phys. Chem. Lett., 13, 29, 6845-6851 (2022), DOI:10.1021/acs.jpclett.2c01077
・”Development of plasmonic thin-layer chromatography for size-selective and optical-property-dependent separation of quantum dots”, Tsukasa Torimoto, Naoko Yamaguchi, Yui Maeda, Kazutaka Akiyoshi, Tatsuya Kameyama, Tatsuya Nagai, Tatsuya Shoji, Hidemasa Yamane, Hajime Ishihara & Yasuyuki Tsuboi, NPG Asia Mater. 14, 64 (2022) , DOI: 10.1038/s41427-022-00414-3
・“Optical Trapping of Nanoparticles in Superfluid Helium",Yosuke Minowa, Xi Geng, Keisuke Kokado, Kentaro Sato, Tatsuya Kameyama, Tsukasa Torimoto, and Masaaki Ashida, Optica, 9(1), 139-144 (2022). DOI: 10.1364/OPTICA.447557
・“Surface Ligand Chemistry on Quaternary Ag(In_xGa_1-x)S₂ Semiconductor Quantum Dots for Improving Photoluminescence Properties",Watcharaporn Hoisang, Taro Uematsu,Tsukasa Torimoto , and Susumu Kuwabata, Nanoscale Adv., 4, 849-857 (2022). DOI: 10.1039/D1NA00684C
・“Red-light-activatable Ruthenium Phthalocyanine Catalysts",Yuta Ishikawa, Tatsuya Kameyama, Tsukasa Torimoto, Hajime Maeda, Masahito Segia, and Taniyuki Furuyama, Chem. Commun., 57, 13594-13597 (2021). DOI: 10.1039/D1CC06307C
・“Photoluminescence Stability Enhancement of AgInGaS/GaS_x Core/Shell Quantum Dots with Thicker Shells by the Addition of Gallium Diethyldithiocarbamate",Watcharaporn Hoisang, Taro Uematsu, Tsukasa Torimoto, and Susumu Kuwabata*, Chem. Lett., 50 (11), 1863-1866 (2021). DOI: 10.1246/cl.210363
・“Luminescent Quaternary Ag(In_xGa_1-x)S₂/GaS_y Core/Shell Quantum Dots Prepared Using Dithiocarbamate Compounds and Photoluminescence Recovery via Post Treatment",Watcharaporn Hoisang, Taro Uematsu*, Tsukasa Torimoto, and Susumu Kuwabata*, Inorg. Chem., 60 (17), 13101-13109 (2021). DOI: 10.1021/acs.inorgchem.1c01513
・“Perylene-Cy3 FRET System to Analyze Photoactive DNA Structures",Hayato Kawai, Tetsuya Doi, Yuka Ito, Tatsuya Kameyama, Tsukasa Torimoto, Hiromu Kashida,* Hiroyuki Asanuma, Chem. Eur. J., 27 (50), 12845-12850 (2021). DOI: 10.1002/chem.202101738
・“Green Electroluminescence Generated by Band-edge Transition in Ag-In-Ga-S/GaS_x Core/shell Quantum Dots",Genichi Motomura, Yukiko Iwasaki, Tatsuya Kameyama, Tsukasa Torimoto, Taro Uematsu, Susumu Kuwabata, Toshimitsu Tsuzuki, ITE Trans. on MTA, 9 (4), 222-227 (2021). DOI: 10.3169/mta.9.222
・“Incoherent Optical Tweezers on Black Titanium",Sayaka Hashimoto, Yuki Uenobo, Ryota Takao, Ken-ichi Yuyama, Tatsuya Shoji, Denver P. Linklater, Elena Ivanova, Saulius Juodkazis, Tatsuya Kameyama, Tsukasa Torimoto, and Yasuyuki Tsuboi, ACS Appl. Mater. Interface, 13 (23), 27586-27593 (2021). DOI: 10.1021/acsami.1c04929
・“Variations in Photoluminescence Intensity of a Quantum Dot Assembly Investigated by Its Adsorption on Cubic Metal-Organic Frameworks", Kohei Kumagai, Taro Uematsu, Tsukasa Torimoto, and Susumu Kuwabata, , J. Phys. Chem.C, 125, 8285-8293 (2021), DOI: 10.1021/acs.jpcc.1c00232
“Optical Trapping of Nanocrystals at Oil/Water Interfaces:Implications for Photocatalysis, Yasuyuki Tsuboi, Shota Naka, Daiki Yamanishi, Tatsuya Nagai, Ken-ichi Yuyama, Tatsuya Shoji, Bunsho Ohtani, Mamoru Tamura, Takuya Iida, Tatsuya Kameyama, and Tsukasa Torimoto, ACS Appl. Nano Mater,4 (11), 11743-11752 (2021), DOI: https://doi.org/10.1021/acsanm.1c02335
・“Optical Force Mapping at the Single-Nanometre Scale", Junsuke Yamanishi, Hidemasa Yamane, Yoshitake Naitoh, Yan Jun Li, Nobuhiko Yokoshi, Tatsuya Kameyama, Seiya Koyama, Tsukasa Torimoto, Hajime Ishihara and Yasuhiro Sugawara, Nat. Commun. 12, 3865 (2021), DOI:10.1038/s41467-021-24136-2
・“Photoluminescence Properties of Quinary Ag-(In,Ga)-(S,Se) Quantum Dots with a Gradient Alloy Structure for in Vivo Bioimaging", Nurmanita Rismaningsih, Hiroki Yamauchi, Tatsuya Kameyama, Takahisa Yamamoto, Saho Morita, Hiroshi Yukawa, Taro Uematsu, Yoshinobu Baba, Susumu Kuwabata and Tsukasa Torimoto, J.Mater.Chem.C, 9, 12791-12801 (2021), DOI: 10.1039/DITC02746H
・“Shape-Controlled Synthesis of Cu2O Nanoparticles with Single-Digit Nanoscale Void Space Via Ionic Liquid/Metal Sputtering and Their Photoelectrochemical Properties", Shushi Suzuki, Atsumi Morimoto, Susumu Kuwabata and Tsukasa Torimoto, Jpn. J. Appl. Phys., 60, SAAC01 (2021), DOI: 10.35848/1347-4065/abb75a

・“Photoluminescence Enhancement by Light Harvesting of Metal-Organic Frameworks Surrounding Semiconductor Quantum Dots", Kohei Kumagai, Taro Uematsu, Tsukasa Torimoto and Susumu Kuwabata, Chem. Mater., 33 (5), 1607-1617 (2021) DOI: 10.1021/acs.chemmater.0c03367

・“Electroluminescence from Band-Edge-Emitting AgInS2/GaSx Core/Shell Quantum Dots", Genichi Motomura, Kei Ogura, Yukiko Iwasaki, Taro Uematsu, Susumu Kuwabata, Tatsuya Kameyama and Tsukasa Torimoto, Appl. Phys. Lett., 117, 091101 (2020), DOI:10.1063/5.0018132

・“Controlling the Oxidation State of Molybdenum Oxide Nanoparticles Prepared by Ionic Liquid/Metal Sputtering to Enhance Plasmon-induced Charge Separation", Kazutaka Akiyoshi, Tatsuya Kameyama, Takahisa Yamamoto, Susumu Kuwabata, Tetsu Tatsuma and Tsukasa Torimoto, RSC Adv., 10 (2020), 28516-28522, DOI:10.1039/D0RA05165a

・“Red Light-inducible Overall Water-splitting Photocatalyst, Gold-inserted Zinc Rhodium Oxide and Bismuth Vanadium Oxide Heterojunction, Connected Using Gold Prepared by Sputtering in Ionic Liquid", Masaomi Yoda, Toshihiro Takashima, Kazutaka Akiyoshi, Tsukasa Torimoto and Hiroshi Irie, J. Chem. Phys. 153, 014701 (2020), DOI: 10.1063/5.0010100

・“Controlling the Visible-light Driven Photocatalytic Activity of Alloyed ZnSe-AgInSe2 Quantum Dots for Hydrogen Production", Ping-Yen Hsieh, Tatsuya Kameyama, Takayuki Takiyama, Ko Masuoka, Takahisa Yamamoto, Yung-Jung Hsu and Tsukasa Torimoto, J. Mater. Chem. A, 8, 13142-13149 (2020), DOI: 10.1039/d0ta04127k

・“Synthesis of Submicron-sized Cds Particles Using Reverse Micelles", Yosuke Minowa, Shohei Kuramoto, Tatsuya Kameyama, Tsukasa Torimoto and Masaaki Ashida, J. Nanophoton., 14 (2), 026013 (2020), DOI: 10.1117/1.JNP.14.026013

・“Hot Electron Transfer in Zn-Ag-In-Te Nanocrystal-Methyl Viologen Complexes Enhanced with Higher-Energy Photon Excitation", Tatsuya Kameyama, Kouta Sugiura, Susumu Kuwabata, Tomoki Okuhata, Naoto Tamai and Tsukasa Torimoto, RSC Adv., 10 (28), 16361-16365 (2020)
DOI: 10.1039/d0ra02842h

・“Tailored Photoluminescence Properties of Ag(In, Ga)Se2 Quantum Dots for Near-Infrared In Vivo Imaging",Tatsuya Kameyama, Hiroki Yamauchi, Takahisa Yamamoto, Toshiki Mizumaki, Hiroshi Yukawa, Masahiro Yamamoto, Shigeru Ikeda, Taro Uematsu, Yoshinobu Baba, Susumu Kuwabata, and Tsukasa Torimoto, ACS Appl. Nano Mater, 3 (4), 3275-3287 (2020). DOI: 10. 1021/acsanm. ted9b02608

・"Temperature Dependence of Photoluminescence Intensities Observed from AgInGaS and AgInGaS/GaSx Core-Shell Nanoparticles", Masayoshi Ichimiya, Tatsuya Kameyama, Tsukasa Torimoto, Taro Uematsu, Susumu Kuwabata, Masaaki Ashida, J. of Nanophotonics, 14(1), 016010 (2020) DOI:10.1117/1.JNP.14.016010.

・"Efficient Quantum-Dot Light-Emitting Diodes Using ZnS-AgInS2 Solid-Solution Quantum Dots in Combination with Organic Charge-Transport Materials", Genichi Motomura, Kei Ogura, Tatsuya Kameyama, Tsukasa Torimoto, Taro Uematsu, Susumu Kuwabata and Toshimitsu Tsuzuki, Appl.Phys. Lett., 116, 093302 (2020), DOI:10.1063/1.5143618

・"Core Nanoparticle Engineering for Narrower and More Intense Band-Edge Emission from AgInS2/GaSx Core/Shell Quantum Dots", Watcharaporn Hoisang, Taro Uematsu, Takahisa Yamamoto, Tsukasa Torimoto and Susumu Kuwabata, Nanomaterials, 9, 1763 (2019), DOI:10.3390/nano9121763

・"Nanotraffic Lights: Rayleigh Scattering Micospectroscopy of Optically Trapped Octahedral Gold Nanoparticles", Tatsuya Shoji, Mamoru Tamura, Tatsuya Kameyama, Takuya Iida, Yasuyuki Tsuboi and Tsukasa Torimoto, J. Phys. Chem. C, 123, 23096-23102 (2019), DOI:10.1021/acs.jpcc.9b05077

・"Direct Surface Modification of Semiconductor Quantum Dots with Metal-Organic Frameworks", Kohei Kumagai, Taro Uematsu, Tsukasa Torimoto and Susumu Kuwabata, CrystEngComm, 21, 5568-5577 (2018) DOI:10.1039/c9ce00769e

・"Enhanced Photoelectrochemical Properties of Zn-Ag-In-Te Nanocrystals with High Energy Photon Excitation", Tatsuya Kameyama, Kouta Sugiura, Susumu Kuwabata, Tomoki Okuhata, Naoto Tamai and Tsukasa Torimoto, ChemNnanoMat, 5, 1028-1035 (2019), DOI:10.1002/cnma.201900214

"Platinum Nanoparticle-supported Electrocatalysts Functionalized by Carbonization of Protic Ionic Liquid and Organic Salts", Reiko Izumi, Yu Yao, Tetsuya Tsuda, Tsukasa Torimoto and Susumu Kuwabata, ACS Appl. Energy Matter., 1, 3030-3034 (2018), DOI:10. 1021/acsaem. 8b00539

・“Narrow Band-edge Photoluminescence from AgInS2 Semiconductor Nanoparticles by the Formation of Amorphous III-VI Semiconductoor Shells", Taro Uematsu, Kazutaka Wajima, Dharmendar Kumar Sharma, Shuzo Hirata, Takahisa Yamamoto, Tatsuya Kameyama, Martin Vacha, Tsukasa Torimoto, and Susumu Kuwabata, NPG Asia Mater., 10, 713-726 (2018). DOI:10.1038/s41427-018-0067-9

・“Photoluminescence Characterization of ZnS-AgInS2 (ZAIS) Nanoparticles Adsorbed on Plasmonic Chip Studied with Fluorescence Microscopy", Wataru Minoshima, Ryuya Ito, Takayuki Takiyama, Tatsuya Kameyama, Tsukasa Torimoto, and Keiko Tawa, J. Photochem. Photobiol. A: Chem., 367, 347-354 (2018). DOI: 10. 1016/j. jphotochem. 2018. 08. 032

・“Two-photon Absorption Spectrum of Solid Solution Nanocrystals of Zns-AgInS2", Yasutaka Suzuki, Shozo Onishi, Kazuya Matsumoto, Takayuki Takiyama, Tatsuya Kameyama, Tsukasa Torimoto, and Jun Kawamata, Chem. Lett., 47, 1475-1477 (2018). DOI:10. 1246/cl.180718

・“Oxygen Reduction Electrocatalysts Sophisticated by Using Pt Nanoparticle-dispersed Ionic Liquids with Electropolymerizable Additives", Reiko Izumi, Yu Yao, Tetsuya Tsuda, Tsukasa Torimoto and Susumu Kuwabata, J. Mater. Chem. A., 6, 11853-11862 (2018). DOI:10. 1039/c8ta03465f

・“Wavelength- Tunable Band-Edge Photoluminescence of Nonstoichiometric Ag-In-S Nanoparticles via Ga3+ Doping", Tatsuya Kameyama, Marino Kishi, Chie Miyamae, Dharmendar Kumar Sharma, Shuzo Hirata, Takahisa Yamamoto, Taro Uematsu, Martin Vach, Susumu Kuwabata, and Tsukasa Torimoto, ACS Applied. Mater. & Interfaces, 10(49), 42844-42855 (2018) DOI:10. 1021/acsami. 8b15222

"Enhanced Photocatalytic Activity of Zn-Ag-In-S Semiconductor Nanocrystals with a Dumbell-Shaped Heterostructure", Tatsuya Kameyama, Seiya Koyama, Takahisa Yamamoto, Susumu Kuwabata, and Tsukasa Torimoto*, J. Phys. Chem. C. 122, 25, 13705-13715(2018). DOI:10. 1021/acs. jpcc. 8b00255

"Rod-shaped Zn-Ag-In-Te Nanocrystals with Wavelength-Tunable Band-Edge Photoluminescence in the Near-IR Region", Tatsuya Kameyama, Kouta Sugiura, Yujiro Ishigami, Takahisa Yamamoto, Susumu Kuwabata, Tomoki Okuhata, Naoto Tamai and Tsukasa Torimoto*, J. Mater. Chem. C. 6 , 2034-2042 (2018)
DOI:10. 1039/C7TC05624A

"Pt-Nanoparticle-Supported Carbon Electrocatalysts Functionalized with a Protic Ionic Liquid and Organic Salt", Reiko Izumi, Yu Yao, Tetsuya Tsuda, Tsukasa Torimoto, and Susumu Kuwabata*, Adv. Mater. Interfaces 1701123 (2017). DOI:10. 1002/admi. 201701123

"Nanostructure Engineering of Size-Quantized Semiconductor Particles for Photoelectrochemical Applications", Tsukasa Torimoto, Electrochemistry, 85, 534-542 (2017). DOI:10.5796/electrochemistry.85.534 (Review)

"Electrocatalytic Activity of Bimetallic Pd-Au Particle Films Prepared by Sequential Sputter Deposition of Pd and AU onto Hydroxyl-functionalized Ionic Liquid", Takashi Hamada, Daisuke Sugioka, Tatsuya Kameyama, Susumu Kuwabata, and Tsukasa Torimoto*, Chem. Lett., 46, 956-959 (2017). DOI:10.1246/cl. 170242

"Influence of Zn on the Photoluminescence of Colloidal (AgIn)xZn2(1-x)S2 Nanocrystals", Dharmendar Kumar Sharma, Shuzo Hirata, Lukasz Bujak, Vasudevanpillai Biju, Tatsuya Kameyama, Marino Kishi, Tsukasa Torimoto and Martin Vacha, Phys. Chem. Chem.Phys., 19, 3963-3969(2017). DOI:10. 1039/C6CP07550A

"Labeling and in vivo Visualization of Transplanted Adipose Tissue-Derived Stem Cells with Safe Cadmium-free Aqueous ZnSCoating of ZnS-AgInS2 Nanoparticles", Yusuke Ogihara, Hiroshi Yukawa, Tatsuya Kameyama, Hiroyasu Nishi, Daisuke Onoshima, Tetsuya Ishikawa, Tsukasa Torimoto and Yoshinobu Baba, Sci. Rep., 7 40047(2017) DOI:10. 1038/srep40047

“Top-Down Synthesis Methods for Nanoscale Catalysts", Tsukasa Torimoto, Tatsuya Kameyama and Susumu Kuwabata: M. H. G. Prechtl eds., Nanocatalysis in Ionic Liquids, Wiley, Ch.9, 171-205 (2016)(Book), DOI: 10.1002/9783527693283

・“Controlling Shape Anisotropy of ZnS-AgInS2 Solid Solution Nanoparticles for Improving Photocatalytic Activity", Tsukasa Torimoto*, Yutaro Kamiya, Tatsuya Kameyama, Hiroyasu Nishi, Taro Uematsu, Susumu Kuwabata, and Tamaki Shibayama*, ACS Appl. Mater. Interfaces, 8, 27151-27161 (2016). DOI: 10.1021/acsami.6b10408

・"Improvement of Photoluminescence Stability of ZnS-AgInS2 Nanoparticles through Interactions with Ionic Liquids", Shushi Suzuki*, Yuuki Hattori, Susumu Kuwabata, and Tsukasa Torimoto*, J. Photochem. Photobiol. A Chem. , 332, 371-375 (2017).
DOI:10.1016/j.jphotochem.2016.08.034

・"Single-step Preparation of Indium Tin Oxide Nanocrystals Dispersed in Ionic Liquids via Oxidation of Molten In-Sn Alloys", Daisuke Sugioka, Tatsuya Kameyama, Takahisa Yamamoto, Susumu Kuwabata, and Tsukasa Torimoto*, Chem. Commun., 52, 12241-12244 (2016). DOI: 10.1039/C6CC06517A

・"Highly Durable Pt Nanoparticle-supported Carbon Catalysts for the Oxygen Reduction Reaction Tailored by Using an Ionic Liquid Thin Layer", Kazuki Yoshii, Keisuke Yamaji, Tetsuya Tsuda, * Hiroaki Matsumoto, Takeshi Sato, Reiko Izumi, Tsukasa Torimoto, and Susumu Kuwabata*, J. Mater. Chem. A 4(31), 12152-12157 (2016). DOI:10.1039/C6TA04859E

・"Single-particle Spectroscopy of I-III-VI Semiconductor Nanocrystals: Spectral Diffusion and Suppression of Blinking by Two-color Excitation ", Dharmendar Kumar Sharma, Shuzo Hirata, Lukasz Bujak, Vasudevanpillai Biju, Tatsuya KAMEYAMA, Marino Kishi, Tsukasa Torimoto and Martin Vacha, Nanoscale 8(28), 13687-13694 (2016). DOI:10.1039/C6NR03950B

・"Temperature-independent Formation of Au Nanoparticles in Ionic Liquids by Arc Plasma Deposition ", Yoshikiyo Hatakeyama, Satoshi Kimura, Tatsuya Kameyama, Yoshiaki Agawa, Hiroyuki Tanaka, Ken Judai, Tsukasa Torimoto, and Keiko Nishikawa, Chem. Phys. Lett. 658 188-191(2016) DOI:10.1016/j.cplett.2016.06.044

・“Intra-and Inter-atomic Optical Transitions of Fe, Co, and Ni Ferrocyanides Studied Using First-principles Many-electron calculations", Shinta Watanabe, Yuki Sawada, Masato Nakaya, Masahito Yoshino, Takanori Nagasaki, Tatsuya Kameyama, Tsukasa Torimoto, Yusuke Inaba, Hideharu Takahashi, Kenji Takeshita and Jun Onoe, J. Appl. Phys. 119, 235102(2016), DOI:10.1063/1.4954070.

・“Evaluation of Surface Ligands on Semiconductor Nanoparticle Surface Using Electron Transfer to Redox Species”, Taro Uematsu, Eisuke Shimomura, Tsukasa Torimoto, and Susumu Kuwabata, J. Phys. Chem. C, 2016, 120(29), pp 16012-16023, DOI:10.1021/acs.jpcc.5b12698

・“Formation of a Pt-decorated Au Nanoparticle Monolayer Floating on Ionic Liquid by the Ionic Liquid/Metal Sputtering Method and Tunable Electrocatalytic Activities of the Resulting Monolayer”, Daisuke Sugioka, Tatsuya Kameyama, Susumu Kuwabata, Takahisa Yamamoto, and Tsukasa Torimoto, ACS Appl. Mater. Inter. 8 (17) 10874-10883(2016). DOI:10.1021/acsami.6b01978

・“Crystal Phase-Controlled Synthesis of Rod-Shaped AgInTe₂ Nanocrystals for in vivo Imaging in the Near-Infrared Wavelength Region”, Tatsuya Kameyama, Yujiro Ishigami, Hiroshi Yukawa, Shimada Taisuke, Yoshinobu Baba, Tetsuya Ishikawa, Susumu Kuwabata, and Tsukasa Torimoto, Nanoscale, 8, 5435-5440, (2016), DOI: 10.1039/C5NR07532G

・“Controlling the Electronic Energy Structure of ZnS-AgInS₂ Solid Solution Nanocrystals for Photoluminescence and Photocatalytic Hydrogen Evolution”, Tatsuya Kameyama, Takuya Takahashi, Takahiro Machida, Yutaro Kamiya, Takahisa Yamamoto, Susumu Kuwabata, and Tsukasa Torimoto, J. Phys. Chem. C, 119, 24740-24749, (2015), DOI: 10.1021/acs.jpcc.5b07994

・“Single-step Preparation of Two-dimensionally Organized Gold Particles via Ionic Liquid/Metal Sputter Deposition”, Daisuke Sugioka, Tatsuya Kameyama, Susumu Kuwabata, and Tsukasa Torimoto, Phys. Chem. Chem. 17, 13150-13159, (2015), DOI: 10.1039/C5CP01602A

・“Ultrathin Oxide Shell Coating of Metal Nanoparticles Using Ionic Liquid/Metal Sputtering”, Tsukasa Torimoto, Yasuhiro Ohta, Kazuki Enokida, Daisuke Sugioka,Tatsuya Kameyama, Takahisa Yamamoto, Tamaki Shibayama, Kazuki Yoshii, Tetsuya Tsuda, and Susumu Kuwabata, J. Mater. Chem. A, 3, 6177-6186, (2015), DOI: 10.1039/C4TA06643J

・“Synthesis of alloy AuCu Nanoparticles with the L1₀Structure in an Ionic Liquid using Sputter Deposition”, Shushi Suzuki, Yousuke Tomita, Susumu Kuwabata, and Tsukasa Torimoto, Dalton Transactions, 44, 4186-4194, (2015), DOI: 10.1039/C4DT03557G

・“Wavelength- and Efficiency-Tunable Plasmon-Induced Charge Separation by the Use of Au-Ag Alloy Nanoparticles”, Hiroyasu Nishi, Tsukasa Torimoto and Tetsu Tatsuma, Phys. Chem. Chem. Phys., 17, 4042-4046, (2015), DOI: 10.1039/C4CP04673K

・“Widely-Controllable Electronic Energy Structure of ZnSe-AgInSe₂ Solid Solution Nanocrystals for Quantum Dot-Sensitized Solar Cells”, Tatsuya Kameyama, Yusuke Douke, Hiroko Shibakawa, Masahide, Kawaraya, Hiroshi Segawa, Susumu Kuwabata, and Tsukasa Torimoto, J. Phys. Chem. C, 118(51), 29517-29524, (2014), DOI: 10.1021/jp508769f

・“Well-Controlled Synthesis of Wurtzite-Type Cu₂ZnSnS₄ Nanoparticles Using Multiple Sulfur Sources via a Two-Step Heating Process” , Hiroyasu Nishi, Takahito Nagano, Tatsuya Kameyama, Susumu Kuwabata,and Tsukasa Torimoto, CrystEngCom.,17(1), 174-182 (2015)

・“Visualization of Electrochemical Reactions by Redox-dependent Quenching of Photoluminescence from ZnS-AgInS2 Solid Solution Semiconductor Nanoparticles” , Taro Uematsu, Yusuke Kaji, Tsukasa Torimoto, Susumu Kuwabata, Electrochemistry, 82(5), 338-340 (2014)

・“Atomic Resolution Imaging of Gold Nanoparticle Generation and Growth in Ionic Liquids” ,Taro Uematsu, Masahiro Baba, Yoshifumi Oshima, Tetsuya Tsuda, Tsukasa Torimoto and Susumu Kuawabata, J. Am. Chem. Soc., 136 (39), 13789–13797 (2014), DOI:10.1021/ja506724w CLICK HERE TO SEE A MOVIE

・“Size-Controlled Synthesis of Ag8SnS6 Nanocrystals for Efficient Photoenergy Conversion System Driven by Visible and Neare-IR Lights” ,Tasuya Kameyama, Shigetoshi Fujita, Hideaki Furusawa and Tsukasa Torimoto, Part. Part. Syst. Charact. 31 (11), 1122-1126 (2014) DOI:10.1002/ppsc.201400054

・“Use of Ionic Liquid Under Vacuum Conditions”, Susumu Kuwabata, Tsukasa Torimoto, Akihito Imanishi and Tetsuya Tsuda; Jun-ichi Kadokawa, Ed., Ionic Liquids - New Aspects for the Future, InTech, Ch. 23, 597-615 (2013).(Review)

・“Adipose Tissue-Derived Stem Cell Imaging Using Cadmium-Free Quantum Dots” , Miyazaki Yoshiyuki, Yukawa Hiroshi, Nishi Hiroyasu, Okamoto Yukihiro, Kaji Noritada, Torimoto Tsukasa, Baba Yoshinobu, Cell Medicine, 6(1-2), 91-97 (2013)

・“Three-dimensional micro/nano-scale structure fabricated by combination of non-volatile polymerizable RTIL and FIB irradiation”, Susumu Kuwabata, Hiro Minamimoto, Kosuke Inoue, Akihito Imanishi, Ken Hosoya, Hiroshi Uyama, Tsukasa Torimoto, Tetsuya Tsuda, Shu Seki, Scientific Reports 4, 3722, (2014), DOI: 10.1038/srep03722

・“Photo-functional Materials Fabricated with Chalcopyrite-type Smiconductor Nanoparticles Composed of AgInS2 and Its Solid Solutions”, Tsukasa Torimoto, Tatsuya Kameyama , Susumu Kuwabata, J. Phys.Chem. Lett., 5, 336-347 (2014) , DOI: 10.1021/jz402378x (Review)

・“Controllable Electronic Energy Structure of Size-controlled Cu2ZnSnS4 Nanoparticles Prepared by a Solution-based Approach”, Hiroyasu Nishi, Takahito Nagano, Susumu Kuwabata and Tsukasa Torimoto,Phys.Chem.Chem.Phys., 16, 672-675 (2014), ,DOI: 10.1039/c3cp53946f

・“Light-induced Saturation Change in the Angle-independent Structural Coloration of Colloidal Amorphous Arrays”, Ryoko Hirashima, Takahiro Seki, Kiyofumi Katagiri, Yuki Akuzawa, Tsukasa Torimotoa and Yukikazu Takeoka,J. Mater. Chem. C, 2, 344-348 (2014) , DOI: 10.1039/C3TC31438C

・“Composition-Dependent Photoelectrochemical Properties of Nonstoichiometric Cu2ZnSnS4 Nanoparticles”, Hiroyasu Nishi, Susumu Kuwabata, and Tsukasa Torimoto, J. Phys. Chem. C, 117 (4), 21055-21063 (2013),

・“Photoinduced Electron Transfer of ZnS-AgInS2 Solid-Solution Semiconductor Nanoparticles: Emission Quenching and Photocatalytic Reactions Controlled by Electrostatic Forces”, Taro Uematsu, Akihisa Doko, Tsukasa Torimoto, Koji Oohora, Takashi Hayashi, and Susumu Kuwabata J. Phys. Chem. C, 117 (30), 15667-15676 (2013),

・“Composition-Dependent Electrocatalytic Activity of AuPd Alloy Nanoparticles Prepared Via Simultaneous Sputter Deposition into An Ionic Liquid”, Masanori Hirano, Kazuki Enokida, Ken-ichi Okazaki, Susumu Kuwabata, Hisao Yoshida, and Tsukasa Torimoto* Phys. Chem. Chem. Phys., 15, 7286-7294 (2013),

・“Theory for Self-consistent Interplay between Light and Nanomaterials Strongly Modified by Metallic Nanostructures”, Akira Ishikawa, Katsuya Osono, Atsushi Nobuhiro, Yoshihiko Mizumoto, Tsukasa Torimoto, and Hajime Ishihara*, Phys. Chem. Chem. Phys., 15, 4214-4225 (2013)

・“Plasmon-Enhanced Photoluminescence and Photocatalytic Activities of Visible-Light-Responsive ZnS-AgInS₂ Solid Solution Nanoparticles”, Takuya Takahashi, Akihiko Kudo, Susumu Kuwabata, Akira Ishikawa, Hajime Ishihara, Yasuyuki Tsuboi, and Tsukasa Torimoto*, J. Phys. Chem. C, 117, 2511-2520 (2013)

・“Shape-controlled Synthesis of ZnS-CuInS₂-AgInS₂ Solid Solution Nanoparticles and Their Photoluminescence Properties”, Meilin Dai, Taro Uematsu, Susumu Kuwabata, and Tsukasa Torimoto, Chem. Lett., 42, 171-173 (2013)

・“Introduction of Ionic Liquid to Vacuum Conditions for Development of Material Productions and Analyses”, Susumu Kuwabata, Tsukasa Torimoto, Akihito Imanishi, and Tetsuya Tsuda, Electrochemistry, 80, 498-503 (2012)(Review)

・“ZnS-AgInS₂ Nanoparticles as a Temperature Sensor”, Yu Matsuda, , Tsukasa Torimoto, Tomohiro Kameya, Tatsuya Kameyama, Susumu Kuwabata, Hiroki Yamaguchi, Tomohide Niimi, Sensors and Actuators B: Chemical, 176, 505-508 (2013)

・“Tunable Photoelectrochemical Properties of Chalcopyrite AgInS₂ Nanoparticles Size-Controlled with a Photoetching Technique”, Tsukasa Torimoto, Masaki Tada, Meilin Dai, Tatsuya Kameyama, Shushi Suzuki, and Susumu Kuwabata, J. Phys. Chem. C, 116 (41), 21895–21902 (2012)

・“Solution-phase Synthesis of Stannite-type Ag₂ZnSnS₄ Nanoparticles for Application to Photoelectrode Materials”, Tetsuya Sasamura, Takaaki Osaki, Tatsuya Kameyama, Tamaki Shibayama, Akihiko Kudo, Susumu Kuwabata, and Tsukasa Torimoto, Chem. Lett., 41, 1009-1011 (2012)

・“Platinum Nanoparticle Immobilization onto Carbon Nanotubes Using Pt-Sputtered Room-Temperature Ionic Liquid”, Kazuki Yoshii, Tetsuya Tsuda,* Takashi Arimura, Akihito Imanishi, Tsukasa Torimoto, and Susumu Kuwabata*, RSC Adv., 2, 8262-8264 (2012)

・“Compositional Control of AuPt Nanoparticles Synthesized in Ionic Liquids by the Sputter Deposition Technique”, Shushi Suzuki,* Toshimasa Suzuki, Yousuke Tomita, Masanori Hirano, Ken-ichi Okazaki, Susumu Kuwabata, and Tsukasa Torimoto*, CrystEngComm, 14, 4922-4926 (2012)

・“Tunable Photoluminescence from Visible to Near-infrared Wavelength Region of Non-stoichiometric AgInS₂ Nanoparticles”, Meilin Dai, Shoji Ogawa, Tatsuya Kameyama, Ken-ichi Okazaki, Akihiko Kudo, Susumu Kuwabata, Yasuyuki Tsuboi, and Tsukasa Torimoto*, J. Mater. Chem., 22, 12851-12858 (2012)

・ “Photosensitization of ZnO Rod Electrodes with AgInS₂ Nanoparticles and ZnS-AgInS₂ Solid Solution Nanoparticles for Solar Cell Application”, Tetsuya Sasamura, Ken-ichi Okazaki, Akihiko Kudo, Susumu Kuwabata and Tsukasa Torimoto*, RSC Adv., 2, 552-559 (2012)

・“Nanoscale Laser Processing of Hollow Silica Microbeads Assisted by Surface Plasmon Resonance of Gold Particles”, Koji Furukawa, Tatsuya Kameyama, Ken-ichi Okazaki, Takayuki Yako, Masashi Otsuki, Yasuyuki Tsuboi, and Tsukasa Torimoto, Chem. Lett., 40, 1411-1413 (2011)

・“Long Term Optical Properties of ZnS-AgInS₂ and AgInS₂-AgGaS₂ Solid-Solution Semiconductor Nanoparticles Dispersed in Polymer Matrices”, Shigeo Maeda, Taro Uematsu, Toshihiro Doi, Jun Tokuda, Toshihiro Fujita, Tsukasa Torimoto, Susumu Kuwabata,* Electrochemistry, 79, 813-816 (2011)

・“One-Pot Synthesis of Water-Soluble Nanoparticles of ZnS-AgInS₂ Solid Solution with Controllable Photoluminescence”, Meilin Dai, Ken-ichi Okazaki, Akihiko Kudo, Susumu Kuwabata, Tsukasa Torimoto,Electrochemistry, 79, 790-792 (2011)

・“Enhanced Photocurrent Generation in Layer-by-Layer-Assembled CdS Nanoparticle/Titania Nanosheet Multilayer Films”, Tatsuya Kameyama, Ken-ichi Okazaki, Katsuhiko Takagi, Tsukasa Torimoto, Electrochemistry, 79, 776-778 (2011)

・“Plasmon-Enhanced Photocatalytic Activity of Cadmium Sulfide Nanoparticle Immobilized on Silica-Coated Gold Particles”, Tsukasa Torimoto,* Hiroki Horibe, Tatsuya Kameyama, Ken-ichi Okazaki, Shigeru Ikeda, Michio Matsumura, Akira Ishikawa, and Hajime Ishihara*, J. Phys. Chem. Lett., 2, 2057–2062 (2011)

・“Modulating the Immobilization Process of Au Nanoparticles on TiO2(110) by Electrostatic Interaction Between the Surface and Ionic Liquids”, Shushi Suzuki,* Yasuhiro Ohta, Takashi Kurimoto, Susumu Kuwabata, and Tsukasa Torimoto*, Phys. Chem. Chem. Phys., 13, 13585–13593 (2011)

・“Photoinduced Electron Transfer between the Anionic Porphyrins and Viologens in Titania Nanosheets and Monodisperse Mesoporous Silica Hybrid Films”, Tatsuto Yui*, Yuka Kobayashi, Yuri Yamada, Kazuhisa Yano, Yoshiaki Fukushima, Tsukasa Torimoto, and Katsuhiko Takagi*, ACS Appl. Mater. Interfaces, 3 (4), 931–935 (2011)

・“Surface-plasmon-enhanced Photocurrent Generation of CdTe Nanoparticle/Titania Nanosheet Composite Layers on Au Particulate Films”, Tatsuya Kameyama, Yumi Ohno, Ken-ichi Okazaki, Taro Uematsu, Susumu Kuwabata, and Tsukasa Torimoto*, J. Photochem. Photobiol. A: Chem., 221, 244-249 (2011)

・“Modification of Excimer Emission of Perylene Dye Thin Films by Single Silver Nanocubes”, Ryohei Yasukuni, Guillaume Laurent, Ken-ichi Okazaki, Makoto Oki, Tsukasa Torimoto, Tsuyoshi Asahi, J. Photochem. Photobiol. A: Chem, 221, 194– 198 (2011)

・“Fabrication of Nanoframe Structures by Site-selective Assembly of Gold Nanoparticles on Silver Cubes in an Ionic Liquid”, Ken-ichi Okazaki, Junya Sakuma, Jun-ichi Yasui, Susumu Kuwabata, Kaori Hirahara, Nobuo Tanaka, and Tsukasa Torimoto, Chem. Lett., 40, 84-86 (2011)

・“Room-Temperature Ionic Liquid. A New Medium for Material Production andAnalyses under Vacuum Conditions”, Susumu Kuwabata, Tetsuya Tsuda, and TsukasaTorimoto, J. Phys. Chem. Lett., 1, 3177-3188.(2010) (Review)

・“New Frontiers in Materials Science Opened by Ionic Liquids”, Tsukasa Torimoto,Tetsuya Tsuda, Ken-ichi Okazaki, Susumu Kuwabata, Adv. Mater., 22, 1196-1221(2010) (Review)

・“Preparation of Luminescent AgInS₂-AgGaS₂ Solid Solution Nanoparticles and Their Optical Properties”, Taro Uematsu, Toshihiro Doi, Tsukasa Torimoto, and Susumu Kuwabata*, J. Phys. Chem. Lett., 1, 3283–3287 (2010)

・“Catalytic Activity and Regeneration Property of a Pd Nanoparticle Encapsulated in a Hollow Porous Carbon Sphere for Aerobic Alcohol Oxidation”, Takashi Harada, Shigeru Ikeda,* Fumihiro Hashimoto, Takao Sakata, Keita Ikeue, Tsukasa Torimoto, and Michio Matsumura, Langmuir 26(22), 17720–17725 (2010)

・“Nanosize-Controlled Syntheses of Indium Metal Particles and Hollow Indium Oxide Particles via the Sputter Deposition Technique in Ionic Liquids”, Toshimasa Suzuki, Ken-ichi Okazaki, Shushi Suzuki, Tamaki Shibayama, Susumu Kuwabata, and Tsukasa Torimoto*, Chem. Mater., 22, 5209-5215 (2010)

・“Fabrication of Transition Metal Oxide Nanoparticles Highly Dispersed in Ionic Liquids by Sputter Deposition”, Toshimasa Suzuki, Shushi Suzuki, Yousuke Tomita, Ken-ichi Okazaki, Tamaki Shibayama, Susumu Kuwabata, and Tsukasa Torimoto*, Chem. Lett., 39, 1072-1074 (2010)

・“Palladium Nanoparticles in Ionic Liquid by Sputter Deposition as Catalysts for SuzukiMiyaura Coupling in Water”, Yoshiro Oda, Koji Hirano, Kazuki Yoshii, Susumu Kuwabata, Tsukasa Torimoto, and Masahiro Miura*,Chem. Lett., 39, 1069-1071 (2010)

・“Sensing of Protein Adsorption with a Porous Bulk Composite Comprising Silver Nanoparticles Deposited on Hydroxyapatite”, Chikara Ohtsuki, Yuji Ichikawa, Hiroyuki Shibata, Giichiro Kawachi, Tsukasa Torimoto, Shin-ichi Ogata, J. Mater. Sci.: Mater. Med. 21, 1225-1232 (2010)

・“Oxygen Reduction Catalytic Ability of Platinum Nanoparticles Prepared by Room-temperature Ionic Liquid-sputtering Method”, Tetsuya Tsuda, Kazuki Yoshii, Tsukasa Torimoto, Susumu Kuwabata, J. Power Sources,195, 5980-5985 (2010)

・ “Preparation and Photoelectrochemical Properties of Densely Immobilized Cu₂ZnSnS₄ Nanoparticle Films”, Tatsuya Kameyama, Takaaki Osaki, Ken-ichi Okazaki, Tamaki Shibayama, Akihiko Kudo, Susumu Kuwabata and Tsukasa Torimoto,* J. Mater. Chem., 20, 5319-5324 (2010)

・“Immobilization of ZnS-AgInS₂ Solid Solution Nanoparticles on ZnO Rod Array Electrodes and Their Photoresponse with Visible Light Irradiation”, Tetsuya Sasamura, Ken-ichi Okazaki, Ryuta Tsunoda, Akihiko Kudo, Susumu Kuwabata, and Tsukasa Torimoto,* Chem. Lett., 39, 619-621 (2010)

・“Studies on Reaction Conditions for Size-selective Photoetching of Cadmium Telluride Nanocrystals”, Taro Uematsu, Tsukasa Torimoto, Susumu Kuwabata*, Electrochemistry, 78, 170-174 (2010)

・“Remarkable Photoluminescence Enhancement of ZnS–AgInS₂ Solid Solution Nanoparticles by Postsynthesis Treatment”, Tsukasa Torimoto,* Shoji Ogawa, Tomohiro Adachi, Tatsuya Kameyama, Ken-ichi Okazaki, Tamaki Shibayama, Akihiko Kudo and Susumu Kuwabata, Chem. Commun., 46, 2082-2084 (2010)

・ “Size Control and Immobilization of Gold Nanoparticles Stabilized in an Ionic Liquid on Glass Substrates for Plasmonic Applications”, Tatsuya Kameyama, Yumi Ohno, Takashi Kurimoto, Ken-ichi Okazaki, Taro Uematsu, Susumu Kuwabata and Tsukasa Torimoto*, Phys. Chem. Chem. Phys., 12, 1804–1811 (2010)

・ “種々の走査型電子顕微鏡を用いたイオン液体中での電極表面その場観察技術”, 有本聡, 蔭山仁志, 佐藤雄一, 幕田悟史, 津田哲哉, 桑畑進, 鳥本司, 表面科学 30, 368-373 (2009)

・“Systematic Studies on Emission Quenching of Cadmium Telluride Nanoparticles”, Taro Uematsu, Takahiro Waki, Tsukasa Torimoto, and Susumu Kuwabata*, J. Phys. Chem. C, 113, 21621-21628 (2009)

・Emission Quench of Water-soluble ZnS–AgInS₂ Solid Solution Nanocrystals and Its Application to Chemosensors”, Taro Uematsu, Shohei Taniguchi, Tsukasa Torimoto and Susumu Kuwabata*, Chem. Commun., 2009, 7485-7487

・“Electrocatalytic Activity of Platinum Nanoparticles Synthesized by Room-Temperature Ionic Liquid−Sputtering Method”, Tetsuya Tsuda, Takasuke Kurihara, Yasunori Hoshino, Tomonori Kiyama, Ken-ichi Okazaki, Tsukasa Torimoto, and Susumu Kuwabata, Electrochemistry, 77, 693-695 (2009)

・“A Facile Synthesis of AuAg Alloy Nanoparticles Using a Chemical Reaction Induced by Sputter Deposition of Metal onto Ionic Liquids”, Toshimasa Suzuki, Ken-ichi Okazaki, Tomonori Kiyama, Susumu Kuwabata, and Tsukasa Torimoto*, Electrochemistry, 77, 636-638 (2009)

・“Tuning of the Fluorescence Wavelength of CdTe Quantum Dots with 2 nm Resolution by Size-selective Photoetching”, T. Uematsu , H. Kitajima, T. Kohma, T. Torimoto, Y. Tachibana, and S. Kuwabata, Nanotechnology,20, 215302 (2009)

・“Stacked-Structure-Dependent Photoelectrochemical Properties of CdS Nanoparticle / Layered Double Hydroxide (LDH) Nanosheet Multilayer Films Prepared by Layer-by-layer Accumulation”, Tatsuya Kameyama, Ken-ichi Okazaki, Katsuhiko Takagi, and Tsukasa Torimoto*, Phys. Chem. Chem. Phys., 11, 5369-5376 (2009)

・“Electrochemical Deposition of Gold Frame Structure on Silver Nanocubes”, Ken-ichi Okazaki, Jun-ichi Yasui, and Tsukasa Torimoto*, Chem. Commun., 2917-2919 (2009)

・ “Hybridization of Silver Nanoparticles on Hydroxyapatite in an Aqueous Solution” Yuji Ichikawa, Shin-ichi Ogata, Tsukasa Torimoto, Giichiro Kawachi, Koichi Kikuta and Chikara Ohtsuki*, J. Ceram. Soc. Jpn., 117, 294-298 (2009)

・“Thermally Induced Self-assembly of Gold Nanoparticles Sputter-deposited in Ionic Liquids on Highly Ordered Pyrolytic Graphite Surfaces”, Ken-ichi Okazaki, Tomonori Kiyama, Toshimasa Suzuki, Susumu Kuwabata, and Tsukasa Torimoto, Chem. Lett., 38, 330-331 (2009)

・“Small-Angle X-ray Scattering Study of Au Nanoparticles Dispersed in the Ionic Liquids 1-Alkyl-3-methylimidazolium Tetrafluoroborate”, Yoshikiyo Hatakeyama, Maimi Okamoto, Tsukasa Torimoto, Susumu Kuwabata, and Keiko Nishikawa, J. Phys. Chem. C, 113, 3917-3922 (2009)

・“Photocatalytic Electron Flow through the Interface of Titania Nanosheets and Mesoporous Silica Hybrid Films”, Tatsuto Yui, Takuya Hirano, Ken-ichi Okazaki, Haruo Inoue, Tsukasa Torimoto, Katsuhiko Takagi, J. Photochem. Photobiol. A: Chem., 207, 135-142 (2009)

・“Photo-Induced Electron Migrations in the Nano-Cavities of Mesoporous Silica Sensitized by a Cationic Porphyrin Dye”, Takuya Hirano, Tatsuto Yui, Ken-ichi Okazaki, Tsutomu Kajino, Yoshiaki Fukushima, Haruo Inoue,Tsukasa Torimoto, and Katsuhiko Takagi, J. Nanosci. Nanotechnol., 9, 495-500 (2009)

・ “Photochemical Shape Control of Cadmium Sulfide Nanorods Coated with an Amorphous Silica Thin Layer”, Tsukasa Torimoto, Masayuki Hashitani, Takahito Konishi, Ken-ichi Okazaki, Tamaki Shibayama, and Bunsho Ohtani, J. Nanosci. Nanotechnol., 9, 506-513 (2009).

・“Rhodium Nanoparticle Encapsulated in a Porous Carbon Shell as an Active Heterogeneous Catalyst for Aromatic Hydrogenation”, Takashi Harada, Shigeru Ikeda, Yun Hau Ng, Takao Sakata, Hirotaro Mori, Tsukasa Torimoto, and Michio Matsumura, Adv. Funct. Mater., 18, 2190-2196 (2008)

・“Efficient Reductive Alkylation of Aniline with Acetone over Pt Nanoparticles Encapsulated in Hollow Porous Carbon”, Takashi Harada, Shigeru Ikeda, Natsumi Okamoto, Yun Hau Ng, Suguru Higashida, Tsukasa Torimoto, and Michio Matsumura, Chem. Lett., 37, 948-949 (2008)

・“Development of In Situ Scanning Electron Microscope System for Real Time Observation of Metal Deposition from Ionic Liquid”, Satoshi Arimoto, Hitoshi Kageyama, Tsukasa Torimoto, Susumu Kuwabata, Electrochem. Commun., 10, 1901-1904 (2008)

・“Development of in situ electrochemical scanning electron microscopy with ionic liquids as electrolytes”, Satoshi Arimoto, Daisuke Oyamatsu, Tsukasa Torimoto, Susumu Kuwabata, CHEMPHYSCHEM, 9, 763-767 (2008)

・“Self-Assembly of Ionic Liquid (BMI-PF6)-Stabilized Gold Nanoparticles on a Silicon Surface: Chemical and Structural Aspects” Om P. Khatri, Kosaku Adachi, Kuniaki Murase, Ken-ichi Okazaki, Tsukasa Torimoto, Nobuo Tanaka, Susumu Kuwabata, and Hiroyuki Sugimura, Langmuir, 24, 7785-7792 (2008)

・“Photoluminescence Enhancement of ZnS–AgInS₂ Solid Solution Nanoparticles Layer-by-layer-assembled in Inorganic Multilayer Thin Films” Tatsuya Kameyama, Ken-ichi Okazaki, Yuji Ichikawa, Akihiko Kudo, Susumu Kuwabata, and Tsukasa Torimoto, Chem. Lett, 37, 700-701 (2008)

・“Development of new techniques for scanning electron microscope observation using ionic liquid”, Satoshi Arimoto, Masaharu Sugimura, Hitoshi Kageyama, Tsukasa Torimoto, Susumu Kuwabata, Electrochimica Acta,53, 6228-6234 (2008)

・“Single-Step Synthesis of Gold-Silver Alloy Nanoparticles in Ionic Liquids by a Sputter Deposition Technique” , K. Okazaki, T. Kiyama, K. Hirahara, N. Tanaka, S. Kuwabata, and T. Torimoto, Chem. Commun., 691-693 (2008)

・“Size-selective Photocatalytic Reactions by Titanium(IV) Oxide Coated with a Hollow Silica Shell in Aqueous Solutions” Shigeru Ikeda, Hideyuki Kobayashi, Yoshimitsu Ikoma, Takashi Harada, Tsukasa Torimoto, Bunsho Ohtani and Michio Matsumura, Phys. Chem. Chem. Phys., 9, 6319-6326 (2007)

・ “Controlling Surface Reactions of CdS Nanocrystals: Photoluminescence Activation, Photoetching and Photostability under Light Irradiation”, Keiichi Sato, Satoshi Kojima, Shinya Hattori, Taeko Chiba, Keiko Ueda-Sarson,Tsukasa Torimoto, Yasuhiro Tachibana, and Susumu Kuwabata, Nanotechnology, 18, 465702 (2007)

・“Facile Synthesis of ZnS-AgInS2 Solid Solution Nanoparticles for a Color-Adjustable Luminophore”, Tsukasa Torimoto, Tomohiro Adachi, Ken-ichi Okazaki, Miwa Sakuraoka, Tamaki Shibayama, Bunsho Ohtani, Akihiko Kudo, and Susumu Kuwabata, J. Am. Chem. Soc., 129, 12388-12389 (2007)

・“Encapsulation of Titanium(IV) Oxide Particles in Hollow Silica for Size-selective Photocatalytic Reactions"Shigeru Ikeda, Yoshimitsu Ikoma, Hideyuki Kobayashi, Takashi Harada, Tsukasa Torimoto, Bunsho Ohtani and Michio Matsumura, Chem. Commun., 3753-3755 (2007)

・“Double-Beam Photoacoustic Spectroscopic Studies on Transient Absorption of Titanium(IV) Oxide Photocatalyst Powders”, Naoya Murakami, Orlando Omar Prieto Mahaney, Ryu Abe, Tsukasa Torimoto, and Bunsho Ohtani, J. Phys. Chem. C, 111, 11927-11935 (2007)

・“Pyrene-to-porphyrin excited singlet energy transfer in LBL-deposited LDH nanosheets”, Tatsuto Yui, Tatsuya Kameyama, Takayosi Sasaki, Tsukasa Torimoto and Katsuhiko Takagi, J. Porphyrins Phthalocyanines , 11, 428 (2007)

・“Microscopic Structure of Separately Accommodated Phorphyrins and Viologens in Mesoporous Silica and Titania Nanosheet Hybrid Films”, Tatsuo Yui, Tsutomu Kajino, Takako Tsuchino, Ken-ichi Okazaki, Tsukasa Torimoto, Yoshiaki Fukushima, and Katsuhiko Takagi, Trans. Mater. Res. Soc. Jap., 32, 449-452 (2007)

・“One-step Preparation and Photosensitivity of Size-quantized Cadmium Chalcogenide Nanoparticles Deposited on Porous Zinc Oxide Film Electrodes”, K.-i. Okazaki, N. Kojima, Y. Tachibana, S. Kuwabata, and T. Torimoto,Chem. Lett., 36, 712-713 (2007)

・“Photocatalytic Syntheses of Azoxybenzene by Visible Light Irradiation of Silica-Coated Cadmium Sulfide Nanocomposites”, B. Pal, T. Torimoto, K.-i. Okazaki and B. Ohtani, Chem. Commun., 483-485 (2007)

・“CdS Quantum Dots Sensitized TiO₂ Sandwich Type Photoelectrochemical Solar Cells”, Y. Tachibana, H. Y. Akiyama, Y. Ohtsuka, T. Torimoto, and S. Kuwabata, Chem. Lett., 36, 88-89 (2007)

・ “Effect of Ionic Surfactants on the Iridescent Color in Lamellar Liquid Crystalline Phase of a Nonionic Surfactant”, X. Chen, H. Mayama, G. Matsuo, T. Torimoto, B. Ohtani, and K. Tsujii, J. Colloid Interface Sci., 305, 308-314 (2007)

・“Sputter Deposition onto Ionic Liquids: Simple and Clean Synthesis of Highly Dispersed Ultrafine Metal Nanoparticles”, T. Torimoto, K.-i. Okazaki, T. Kiyama, K. Hirahara, N. Tanaka, and S. Kuwabata, Appl. Phys. Lett., 89, 243117 (2006)

・“Origin of Chiral Discrimination by a Two-Dimensionally Dhiral Self-Assembled Monolayer: A Quantum Chemical Study”, T. Nishikawa, T. Torimoto, T. Nakanishi, T. Osaka, B. Ohtani, Chem. Phys. Lett., 432, 502-507 (2006)

・“Electric-Field-Induced Changes in Absorption and Emission Spectra of CdS Nanoparticles Doped in a Polymer Film”, Y. Ohara, T. Nakabayashi, K. Iwasaki, T. Torimoto, B. Ohtani, T. Hiratani, K. Konishi, N. Ohta, J. Phys. Chem. B., 110, 20927-20936 (2006)

・“Ligand-Free Platinum Nanoparticle Encapsulated in a Hollow Porous Carbon Shell as a Highly Active Heterogeneous Catalyst in Hydrogenation Reaction”, S. Ikeda, S. Ishino, T. Harada, N. Okamoto, T. Sakata, H. Mori, S. Kuwabata, T. Torimoto, M. Matsumura, Angew. Chem. Int. Ed., 45, 7063-7066 (2006)

・“Photochemical Electron Transfer through the Interface of Hybrid Films of Titania Nano-Sheets and Mono-Dispersed Spherical Mesoporous Silica Particles”, T. Yui, Y. Kobayashi, Y. Yamada, T. Tsuchino, K. Yano, T. Kajino, Y. Fukushima, T. Torimoto, H. Inoue, and K. Takagi, Phys. Chem. Chem. Phys., 8, 4585-4590 (2006)

・“Analysis of Quantum Dot Fluorescence Coupled with a Microsphere Resonator”, H. Takashima, Hideki Fujiwara, J.-i. Hotta, S. Takeuchi, K. Sasaki, S.-y. Murakami, T. Torimoto, B. Ohtani, "Jap. J. Appl. Phys., 45, 6917-6921 (2006)

・“Photochemical Fine-Tuning of Luminescent Color of Cadmium Selenide Nanoparticles: Fabricating a Single-Source Multi-Color Luminophore”, T. Torimoto, S.-y. Murakami, M. Sakuraoka, K. Iwasaki, K.-i. Okazaki, T. Shibayama, and B. Ohtani, J. Phys. Chem. B, 110, 13314-13318 (2006)

・“Photoacoustic Spectroscopic Analysis of Photoinduced Change in Absorption of Titanium(IV) Oxide Photocatalyst Powders: A Novel Feasible Technique for Measurement of Defect Density”, N. Murakami, O. O. P. Mahaney, T. Torimoto, and B. Ohtani, Chem Phys. Lett., 426, 204-208 (2006)

・“Fabrication of Jingle-Bell-Shaped Core–Shell Nanoparticulate Films and Molecular-Size-Responsive Photoluminescence Quenching of Cadmium Sulfide Cores”, K. Iwasaki, T. Torimoto, T. Shibayama, T. Nishikawa, and B. Ohtani, Small, 2, 854-858 (2006)

・“Observation of Ionic Liquid by Scanning Electron Microscope”, S. Kuwabata, A. Kongkanand, D. Oyamatsu, and T. Torimoto, Chem. Lett., 35, 600-601 (2006)

・“Photo-Switching Behavior of CdS Nanoparticles Doped in a Polymer Film”, Y. Ohara, T. Nakabayashi, K. Iwasaki, T. Torimoto, B. Ohtani, and N. Ohta, Compt. Rend. Chim., 9, 742-749 (2006)

・“Surface Modification of Photoluminescent CdS Nanocrystals Inducing Spontaneous Phase Transfer Reaction”, S. Kuwabata, K. Sato, S. Hattori, T. Chiba, K. Ueda-Sarson, Y. Tachibana, and T. Torimoto, Chem. Lett., 34, 1300-1301 (2005)

・“Photocatalytic Preparation of Encapsulated Gold Nanoparticles by Jingle-Bell-Shaped Cadmium Sulfide-Silica Nanoparticles”, B. Pal, T. Torimoto, S. Ikeda, T. Shibayama, K. Sugawara, H. Takahashi, and B. Ohtani, Top. Cat., 35, 321-325 (2005)

・“Synthesis of Metal-Cadmium Sulfide Nanocomposites Using Jingle-Bell-Shaped Core-Shell Photocatalyst Particles”, B. Pal, T. Torimoto, K. Iwasaki, T. Shibayama, H. Takahashi, and B. Ohtani, J. Appl. Electrochem., 35, 751-756 (2005)

・“Size and Structure-Dependent Photocatalytic Activity of Jingle-Bell-Shaped Silica-coated Cadmium Sulfide Nanoparticles for Methanol Dehydrogenation”, B. Pal, T. Torimoto, K. Iwasaki, T. Shibayama, H. Takahashi, and B. Ohtani, J. Phys. Chem. B, 108, 18670-18674 (2004)

・“Preparation Method Allowing Self-isolation of CdS Nanocrystals Emitting Intense Band-gap Luminescence”, S. Kuwabata, K. Ueda-Sarson, and T. Torimoto, Chem. Lett., 33, 1344-1345 (2004)

・“Preparation and Characterization of Water-Soluble Jingle-Bell-Shaped Silica-Coated Cadmium Sulfide Nanoparticles”, K. Iwasaki, T. Torimoto, T. Shibayama, H. Takahashi, and B. Ohtani, J. Phys. Chem. B, 108, 11946-11952 (2004)

・“Light Intensity Dependence of the Action Spectra of Photocatalytic Reactions with Anatase Titanium (IV) Oxide”, T. Torimoto, Y. Aburakawa, Y. Kawahara, S. Ikeda, and B. Ohtani, Chem. Phys. Lett., 392, 220-224 (2004)

・Development of a Novel Photocatalytic Reaction System for Oxidative Decomposition of Volatile Organic Compounds in Water with Enhanced Aeration, R. Villacres, S. Ikeda, T. Torimoto, B. Ohtani, J. Photochem. Photobiol. A: Chem., 160, 121-126 (2003)

・Layer-by-Layer Accumulation of Cadmium Sulfide Core-Silica Shell Nanoparticles and Size-Selective Photoetching to Make Adjustable Void Space Between Core and Shell, T. Torimoto, J. P. Reyes, S.-y. Murakami, B. Pal, B. Ohtani,  J. Photochem. Photobiol. A Chem., 160, 69-76 (2003)

・Photochemical Hydrogen Evolution from Aqueous Triethanolamine Solutions Sensitized by Binaphthol-Modified Titanium(IV) Oxide under Visible Light Irradiation, S. Ikeda, C. Abe, T. Torimoto, B. Ohtani,  J. Photochem. Photobiol. A: Chem., 160, 61-67 (2003)

・Quantitative Analysis of Defective Sites in Titanium(IV) Oxide Photocatalyst Powders, S. Ikeda, N. Sugiyama, S. Murakami, H. Kominami, Y. Kera, H. Noguchi, K. Uosaki, T. Torimoto, and B. Ohtani, Phys. Chem. Chem. Phys., 5, 778-783 (2003)

・Preparation of Novel Silica-Cadmium Sulfide Composite Nanoparticles Having Adjustable Void Space by Size-Selective Photoetching, T. Torimoto, J. P. Reyes, K. Iwasaki, B. Pal, T. Shibayama, K. Sugawara, H. Takahashi, and B. Ohtani, J. Am. Chem. Soc., 125, 316-317 (2003)

・Discrimination of the Active Crystalline Phases in Anatase-Rutile Mixed Titanium(IV) Oxide Photocatalysts through Action Spectrum Analyses, T. Torimoto, N. Nakamura, S. Ikeda, and B. Ohtani, Phys. Chem. Chem. Phys., 4, 5910-5914 (2002)

・Visible Light-induced Hydrogen Evolution from Aqueous Suspensions of Titanium(IV) Oxide Modified with Binaphthol, S. Ikeda, C. Abe, T. Torimoto, and B. Ohtani, Electrochemistry, 70, 442-445 (2002)

・Quartz Crystal Microbalance Study on Photoelectrochemical Deposition of Lead(IV) Oxide on Titanium(IV) Oxide Nanoparticulate Films, T. Torimoto, S. Si, and B. Ohtani, Electrochemistry, 70  438-441 (2002)

・Photoelectrochemical Activities of Ultrathin Lead Sulfide Films Prepared by Electrochemical Atomic Layer Epitaxy , T. Torimoto, S. Takabayashi, H. Mori, and S. Kuwabata, J. Electroanal. Chem., 522, 33-39 (2002)

・Characterization of Ultrasmall CdS Nanoparticles Prepared by the Size-Selective Photoetching Technique, T. Torimoto, H. Kontani, Y. Shibutani, S. Kuwabata, T. Sakata, H. Mori, and H. Yoneyama, J. Phys. Chem. B, 105, 6838-6845 (2001)

・Titanium Dioxide/Adsorbent Hybrid Photocatalysts for Photodestruction of Organic Substances of Dilute Concentrations, H. Yoneyama and T. Torimoto, Catal Today, 58, 133-140 (2000)(Review)

・Preparation of Size-quantized ZnS Thin Films Using Electrochemical Atomic Layer Epitaxy and Their Photoelectrochemical Properties, T. Torimoto, A. Obayashi, S. Kuwabata, H. Yasuda, H. Mori, and H. Yoneyama,Langmuir,16, 5820-5824 (2000)

・Photoelectrochemical Properties of Size-Quantized Semiconductor Photoelectrodes Prepared by Two-Dimensional Cross-Linking of Monodisperse CdS Nanoparticles, T. Torimoto, N. Tsumura, H. Nakamura, S. Kuwabata, T. Sakata, H. Mori, and H. Yoneyama, Electrochim. Acta, 45, 3269-3276 (2000)

・Electrochemical Preparation of ZnS/CdS Superlattice and Its Photoelectrochemical Properties, T. Torimoto, A. Obayashi, S. Kuwabata, and H. Yoneyama, Electrochem. Commun., 2, 359-362 (2000)

・Effects of Surface Charges and Surface States of Chemically Modified Cadmium Sulfide Nanoparticles Immobilized to Gold Electrode Substrate on Photoinduced Charge Transfers, M. Miyake, T. Torimoto, M. Nishizawa, T. Sakata, H. Mori, and H. Yoneyama, Langmuir, 15, 2714-2718 (1999)

・Preparation and Photoelectrochemical Properties of Two-Dimensionally Organized CdS Nanoparticle Thin Films, T. Torimoto, N. Tsumura, M. Miyake, M. Nishizawa, T. Sakata, H. Mori, and H. Yoneyama, Langmuir, 15, 1853-1858 (1999)

・Photoelectrochemical Characterization of Nearly Monodisperse CdS Nanoparticles-Immobilized Gold Electrodes, M. Miyake, T. Torimoto, T. Sakata, H. Mori, and H. Yoneyama, Langmuir, 15, 1503-1507 (1999)

・Fabrication of CdS Nanoparticle Chains along DNA Double Strands, T. Torimoto, M. Yamashita, S. Kuwabata, T. Sakata, H. Mori, and H. Yoneyama, J. Phys. Chem. B, 103, 8799-8803 (1999)

・Influences of Initial Particle Size on Preparation of Monodisperse CdS Nanoparticles with Size-selective Photoetching, T. Torimoto, H. Kontani, T. Sakata, H. Mori, and H. Yoneyama, Chem. Lett., 379-380 (1999)

・Effects of Mordenite Support on Photodegradation of Gaseous Organic Compounds over TiO2 Photocatalyst, N. Takeda, T. Torimoto, and H. Yoneyama, Bull. Chem. Soc. Jpn., 72, 1615-1621 (1999)

・Photoinduced Destruction of Bromoform Dissolved in Water Using TiO2-loaded Adsorbent, H. Yoneyama, H. Kanemoto, N. Takeda, and T. Torimoto, Z. Phys. Chem., 213, 43-48 (1999)

・Photocatalytic Reduction of Carbon Dioxide in the Presence of Nitrate Using TiO2 Nanocrystal Photocatalyst Embedded in SiO2 Matrices, B.-J. Liu, T. Torimoto, and H. Yoneyama, J. Photochem. Photobiol. A: Chem, 115, 227-230 (1998)