Hiroyuki Usui (薄井洋行)

Research profile of Hiroyuki Usui, Dr.

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	Name	Hiroyuki Usui　　　（薄井洋行 / うすいひろゆき）
	Affiliation	Applied Chemistry Course, Department of Chemistry and Biotechnology, Graduate School of Engineering
	Position	Associate Professor
	Field	Electrochemistry, Photoelectrochemistry, Materials Science, Semiconductor Engineering
	E-mail	usui(at)tottori-u.ac.jp

--- Research themes ---

　　　□ Optical properties of metal oxide nanoparticles prepared by laser ablation in liquid
　　　□ Synthesis of layered organic/inorganic nanocomposites consisting of pillared surfactant molecules and zinc hydroxide
　　　□ Structure analysis of GaAs nanocrystals on Si surface prepared by molecular beam epitaxy
　　　□ Characterization of photocatalytic property for nanostructured ZnO
　　　■ Fabrication of photo-electrochemical capacitor comprised of transition metal oxide electrodes
　　　■ Development of next-generation Si-based anode materials for Li-ion battery
　　　■ Synthesis of novel Na-storage materials consisted of metal oxides

--- Academic career ---

　　学歴
　　1993年3月　山口県立宇部高等学校　卒業
　　1997年3月　鹿児島大学工学部　電気電子工学科　卒業　【宮﨑智行研究室】
　　1999年3月　九州大学大学院総合理工学研究科　エネルギー変換工学専攻　修士課程修了　【中島秀紀研究室】
　　2003年9月　鹿児島大学大学院理工学研究科　物質生産工学専攻　博士後期課程修了　【宮﨑智行研究室】
　　2003年9月　博士（工学）

　　職歴
　　1999年4月　株式会社松下電器産業　マルチメディア開発センター　音響グループ
　　2003年10月 産業技術総合研究所　界面ナノアーキテクトニクス研究センター　特別研究員　【越崎直人グループ】
　　2005年6月　神戸大学連携創造本部　先端研究推進部門　研究機関研究員　【工学部機械工学科，保田英洋研究室】
　　2007年4月　財団法人電気磁気材料研究所　附置研究所　光学材料グループ　研究員　【阿部世嗣グループ】
　　2009年4月　鳥取大学大学院工学研究科　化学・生物応用工学専攻　助教
　　2013年12月 鳥取大学大学院工学研究科　化学・生物応用工学専攻　准教授
　　2018年4月　鳥取大学学術研究院工学系部門　准教授　（専任配置：工学部化学バイオ系学科）
　　　　　　　 現在に至る

　　　□ Kagoshima University （鹿児島大学） ; 2000 - 2003 (Ph.D. candidate)
　　　　　　　Graduate School of Science and Engineering, Material Science and Production Engineering Course (Department of Electrical and Electronic Engineering),
　　　　　　　learned from Prof. Y. Horie and Prof. T. Miyazaki
　　　□ National Institute of Advanced Industrial Science of Technology (AIST)（産業技術総合研究所) ; 2003 - 2005 (Post-doctoral researcher)
　　　　　　　High Interface Area Nanostructure Team, Nanoarchitectonics Research Center,
　　　　　　　worked under Dr. T. Sasaki and Dr. N. Koshizaki
　　　□ Kobe University （神戸大学）; 2005 - 2007 (Research institute fellow)
　　　　　　　Venture Business Laboratory, Department of Frontier Research and Technology, Headquarters for Innovative Cooperation and Development
　　　　　　　worked under Prof. H. Yasuda
　　　□ Research Institute for Electric and Magnetic Materials (RIEMM)（電気磁気材料研究所）; 2007 - 2009 (Research scientist)
　　　　　　　Optical Materials Group,
　　　　　　　worked under Dr. S. Abe
　　　■ Tottori University （鳥取大学）; 2009 - 2013.11 (Assistant Professor), 2013.12-present (Associate Professor)
　　　　　　　Applied Chemistry Course, Department of Chemistry and Biotechnology, Graduate School of Engineering
　　　　　　　working under Prof. H. Sakaguchi

--- Membership of Academic Society ---

　　　■ The Japan Society of Applied Physics (JSAP), 2000-present　　　　　（応用物理学会）
　　　■ The Electrochemical Society of Japan, 2003-present 　　　　　　　　　（電気化学会）
　　　□ The Japan Institute of Metals and Materials, 2007-2009 　　　　　　　　　（日本金属学会）
　　　□ Photo functionalized materials society, 2008-2009 　　　　　　　　　（光機能材料研究会）
　　　■ The Photofunctional Complexes Research Association, 2008-present 　　　　　　　　　（複合系の光機能研究会）
　　　■ The Rare Earth Society of Japan, 2009-present　　　　　　　　　　　　（日本希土類学会）
　　　■ The Chemical Society of Japan, 2009-present　　　　　　　　　　　　（日本化学会）
　　　■ The Committee of Battery Technology, 2010-present 　　　　　　　（電池技術委員会）

--- Recent publications selected ---

・ Hiroyuki Usui, Kotono Nakanishi, Keisuke Yonekawa, Haruka Kojima, Yasuhiro Domi, Naoto Oishi, Noriko Nitta, Hiroki Sakaguchi, ACS Appl. Bio Mater., 7 (2024) 3629-3635.
　　　"Coating of Chlorophylls a and b Enhanced Photoelectrochemical Capacitor Reaction of TiO2/MnO2 Composite Electrode" Concept
・ Hiroyuki Usui, Yasuhiro Domi, Yuya Yamamoto, Takeo Hoshi, Toshiyuki Tanaka, Naoto Oishi, Noriko Nitta, and Hiroki Sakaguchi, ACS Appl. Electron. Mater., 5 (2023) 6292-6304.
　　　"Nickel-Doped Titanium Oxide with Layered Rock-Salt Structure for Advanced Li-Storage Materials" Doping effect
・ Hiroyuki Usui, Yasuhiro Domi, Tomoyuki Tanaka, Masataka Takemoto, Naoto Oishi, Noriko Nitta, and Hiroki Sakaguchi, Electrochem. Commun., 155 (2023) 107579-1-6. Concept
　　　"Na-Storage Reactions of Rutile TiNbO4"
・ Hiroyuki Usui, Yasuhiro Domi, and Hiroki Sakaguchi, ACS Appl. Energy Mater., 6 (2023) 4089-4102.
　　　"Rutile TiO2 Creates Advanced Na-Storage Materials" Methodology
・ Hiroyuki Usui, Yasuhiro Domi, Thi Hay Nguyen, Yuma Sadamori, Toshiyuki Tanaka, and Hiroki Sakaguchi, ACS Appl. Eng. Mater., 1 (2023) 994-1000.
　　　"Fe-Nb co-doped Rutile TiO2 for Anode Materials of Li-Ion Batteries"
・ Hiroyuki Usui, Masanobu Chiku, Shin-ichi Yamazaki, Kentaro Kuratani, Kazuhiko Fukami, and Hiroaki Tsuchiya, Electrochemistry, 90 (2022) 102004-1-9.
　　　"Electrochemical Polarization Part 2: Electrochemical Devices"
・ Hiroyuki Usui, Yasuhiro Domi, Isaki Uehara, Yoshitatsu Itoda, Eiji Iwama, Naoto Oishi, Noriko Nitta, and Hiroki Sakaguchi, Ceram. Int., 48 (2022) 35593-35598.
　　　"Cyclability Enhancement of CeO2/Sb2O3 Composite Electrode via Ternary Na-Storage Reactions"
・ Hiroyuki Usui, Yasuhiro Domi, Shin-ichiro Izaki, Akira Nasu, Atsushi Sakuda, Akitoshi Hayashi, and Hiroki Sakaguchi, J. Phys. Chem. C, 126 (2022) 10320-10326.
　　　"Room-Temperature Preparation of All-Solid-State Lithium Batteries Using TiO2 Anodes and Oxide Electrolytes"
・ Hiroyuki Usui, Yasuhiro Domi, Thi Hay Nguyen, Shin-ichiro Izaki, Kei Nishikawa, Toshiyuki Tanaka, and Hiroki Sakaguchi, Electrochemistry, 90 (2022) 037002-1-9.
　　　"Effects of Phase Change and Cu Doping on the Li Storage Properties of Rutile TiO2"
・ Hiroyuki Usui, Yasuhiro Domi, Yoshitatsu Itoda, and Hiroki Sakaguchi, Energy & Fuels, 35 (2021) 18833-18838.
　　　"Solid Solution Strengthening of Bismuth Antimonide as a Sodium Storage Material"
・ Hiroyuki Usui, Shota Toriu, Yasuhiro Domi, Toshiyuki Tanaka, and Hiroki Sakaguchi, J. Energy Storage, 44 (2021) 103497-1-8.
　　　"Material Design Based on Impurity Element Doping for Photoelectrochemical Capacitor Composite Electrodes Using Metal Oxides"
・ Hiroyuki Usui, Yasuhiro Domi, Eiji Iwama, Haruki Kurokawa, and Hiroki Sakaguchi, Mater. Chem. Phys., 272 (2021) 125023-1-7.
　　　"α-Fe₂O₃ Conversion Anodes with Improved Na-Storage Properties by Sb Addition"
・ Hiroyuki Usui, Haruka Kojima, Yasuhiro Domi, and Hiroki Sakaguchi, ACS Appl. Bio Mater., 4 (2021) 5975-5980.
　　　"Regeneration of Nicotinamide Adenine Dinucleotide Phosphate by a Chlorophyll a-Coated TiO₂ Film Electrode"
・ Hiroyuki Usui, Yasuhiro Domi, Shinya Ohnishi, Noriyuki Takamori, Shin-ichiro Izaki, Naoki Morimoto, Kazumi Yamanaka, Keita Kobayashi, and Hiroki Sakaguchi, ACS Materials Lett., 3 (2021) 372-378.
　　　"Spindle Single-Crystalline Rutile TiO2 with Excellent Cyclability for Low-Cost Li-Storage Materials"
・ Hiroyuki Usui, Yasuhiro Domi, Naoto Takada, and Hiroki Sakaguchi, Cryst. Growth Des., 21 (2021) 218-226.
　　　"Reaction Mechanism of Indium Antimonide as a Sodium Storage Material"
・ Hiroyuki Usui, Yasuhiro Domi, Thi Hay Nguyen, Yuri Tanaka, and Hiroki Sakaguchi, ACS Omega, 5 (2020) 15495-15501.
　　　"Indium-Doped Rutile Titanium Oxide with Reduced Particle-Length and Its Sodium Storage Properties"
・ Hiroyuki Usui, Shin Suzuki, Yasuhiro Domi, and Hiroki Sakaguchi, ACS Sustainable Chem. Eng., 8 (2020) 9165-9173.
　　　"Impacts of MnO₂ Crystal Structures and Fe Doping in Those on Photoelectrochemical Charge-Discharge Properties of TiO₂/MnO₂ Composite Electrodes"
・ Hiroyuki Usui, Yasuhiro Domi, Shinya Ohnishi, and Hiroki Sakaguchi, ACS Appl. Nano Mater., 2 (2019) 5360-5364.
　　　"Single-Crystalline Nb-Doped Rutile TiO₂ Nanoparticles as Anode Materials for Na-Ion Batteries"
・ Hiroyuki Usui, Soichiro Nonaka, Shin Suzuki, Yasuhiro Domi, and Hiroki Sakaguchi, ACS Appl. Electron. Mater., 1 (2019) 823-827.
　　　"Photosynthesis-Inspired Electrolyte Additives Enhancing Photoelectrochemical Charge-Discharge Property of TiO₂/MnO₂ Composite Electrode"
　　　selected as Supplementary Journal Cover of Volume 1, Issue 6
・ Hiroyuki Usui, Yasuhiro Domi, Kunihiko Takama, Yuri Tanaka, and Hiroki Sakaguchi, ACS Appl. Energy Mater., 2 (2019) 3056-3060.
　　　"Tantalum-Doped Titanium Oxide with Rutile Structure as a Novel Anode Material for Sodium-Ion Battery"
・ Hiroyuki Usui, Yasuhiro Domi, Ryota Yamagami, and Hiroki Sakaguchi, Green Energy Environ., 4 (2019) 121-126.
　　　"Degradation Mechanism of Tin Phosphide as Na-ion Battery Negative Electrode"
・ Hiroyuki Usui, Yasuhiro Domi, Haruka Nishida, Kazuki Yamaguchi, Ryota Yamagami, and Hiroki Sakaguchi, ChemistrySelect, 3 (2018) 8462-8467.
　　　"Enhanced Performance of Sn₄P₃ Electrode Cycled in Ionic Liquid Electrolyte at Intermediate Temperature as Na-ion Battery Anode"
・ Hiroyuki Usui, Shin Suzuki, Yasuhiro Domi, and Hiroki Sakaguchi, Mater. Today Energy, 9 (2018) 229-234.
　　　"TiO₂/MnO₂ composite electrode enabling photoelectric conversion and energy storage as photoelectrochemical capacitor"
・ Hiroyuki Usui, Yasuhiro Domi, Ryota Yamagami, Kohei Fujiwara, Haruka Nishida, and Hiroki Sakaguchi, ACS Appl. Energy Mater., 1 (2018) 306-311.
　　　"Sodiation-Desodiation Reactions of Various Binary Phosphides as Novel Anode Materials of Na-Ion Battery"
・ Hiroyuki Usui, Yasuhiro Domi, Sachi Ohshima, and Hiroki Sakaguchi, Electrochim. Acta, 246 (2017) 280-284.
　　　"LaSn₃ as a novel anode material for Na-ion battery"
・ Hiroyuki Usui, Yasuhiro Domi, Kohei Fujiwara, Masahiro Shimizu, Takayuki Yamamoto, Toshiyuki Nohira, Rika Hagiwara, and Hiroki Sakaguchi, ACS Energy Lett., 2 (2017) 1139-1143.
　　　"Charge-Discharge Properties of a Sn₄P₃ Negative Electrode in Ionic Liquid Electrolyte for Na-Ion Batteries"
・ Hiroyuki Usui, Kentaro Koseki, Takahiro Tamura, Yasuhiro Domi, and Hiroki Sakaguchi, Mater. Lett., 186 (2017) 338-340.
　　　"Light energy storage in TiO₂/MnO₂ composite electrode for photoelectrochemical capacitor"
・ Hiroyuki Usui, Yasuhiro Domi, Sho Yoshioka, Kazuki Kojima, and Hiroki Sakaguchi, ACS Sustainable Chem. Eng., 4 (12) (2016) 6695-6702.
　　　"Electrochemical Lithiation and Sodiation of Nb-Doped Rutile TiO₂"
・ Hiroyuki Usui and Hiroki Sakaguchi, J. Aerosol Res., 31 (4) (2016) 247-253.
　　　"Preparation of Next-Generation Rechargeable Battery Anodes Using Aerosol Process and Evaluation of Their Charge-Discharge Performances"
　　　selected for journal cover page.
・ Hiroyuki Usui, Yasuhiro Domi, Masahiro Shimizu, Akinobu Imoto, Kazuki Yamaguchi, and Hiroki Sakaguchi, J. Power Sources, 329 (2016) 428-431.
　　　"Niobium-doped titanium oxide anode and ionic liquid electrolyte for a safe sodium-ion battery"
・ Hiroyuki Usui, Takuma Sakata, Masahiro Shimizu, and Hiroki Sakaguchi, Electrochemistry, 83 (10) (2015) 810-812.
　　　"Electrochemical Na-insertion/extraction properties of Sn-P anodes"
・ Hiroyuki Usui, Masakuni Narita, Yoshihiro Fujita, and Hiroki Sakaguchi, J. Surf. Sci. Soc. Jpn., 36 (7) (2015) 334-338.
　　　"Silicon-based Anodes and Optimized Interface between Electrodes and Electrolytes for Next Generation Lithium-Ion Battery"
・ Hiroyuki Usui, Sho Yoshioka, Kuniaki Wasada, Masahiro Shimizu, and Hiroki Sakaguchi, ACS Appl. Mater. Interfaces, 7 (12) (2015) 6567-6573.
　　　"Nb-Doped Rutile TiO₂: a Potential Anode Material for Na-Ion Battery"
・ Hiroyuki Usui, Kazuma Nouno, Yuya Takemoto, Kengo Nakada, Akira Ishii, and Hiroki Sakaguchi, J. Power Sources, 268 (2014) 848-852.
　　　"Influence of mechanical grinding on lithium insertion and extraction properties of iron silicide/silicon composites"
・ Hiroyuki Usui, Masahito Nomura, Hiroki Nishino, Masatoshi Kusatsu, Tadatoshi Murota, and Hiroki Sakaguchi, Mater. Lett., 130 (2014) 61-64.
　　　"Gadolinium silicide/silicon composite with excellent high-rate performance as lithium-ion battery anode"
・ Hiroyuki Usui, Kuniaki Wasada, Masahiro Shimizu, and Hiroki Sakaguchi, Electrochim. Acta, 111 (2013) 575-580.
　　　"TiO₂/Si composites synthesized by sol-gel method and their improved electrode performance as Li-ion battery anodes"
・ Hiroyuki Usui and Hiroki Sakaguchi, J. Nanoeng. Nanomanuf., 3 (4) (2013) 311-316.
　　　"Morphology Control of ZnO for Li-Ion Battery Anode"
・ Hiroyuki Usui, Takamasa Kono, and Hiroki Sakaguchi, J. Nanoeng. Nanomanuf., 3 (4) (2013) 326-330.
　　　"Electrochemical Properties of Metal/ZnO Composites Synthesized by Co-Precipitation Method for Li-Ion Battery Anode"
・ Hiroyuki Usui, Masahiro Shimizu, and Hiroki Sakaguchi, J. Power Sources, 235 (2013) 29-35.
　　　"Applicability of ionic liquid electrolytes to LaSi₂/Si composite thick-film anodes in Li-ion battery"
・ Hiroyuki Usui, Naoki Uchida, and Hiroki Sakaguchi, Electrochemistry, 80 (10) (2012) 737-739.
　　　"Improved anode performance of Ni-P-coated Si thick-film electrodes for Li-ion battery"
・ Hiroyuki Usui, Yusuke Kiri, and Hiroki Sakaguchi, Thin Solid Films, 520 (2012) 7006-7010.
　　　"Effect of carrier gas on anode performance of Si thick-film electrodes prepared by gas-deposition method"
・ Hiroyuki Usui, Takamasa Kono, and Hiroki Sakaguchi, Int. J. Electrochem. Sci., 7 (2012) 4322-4334.
　　　"Novel composite thick-film electrodes consisted of zinc oxide and silicon for lithium-ion battery anode"
・ Hiroyuki Usui, Toshikazu Masuda, and Hiroki Sakaguchi, Chem. Lett., 41 (5) (2012) 521-522.
　　　"Li-insertion/extraction properties of Si thick-film anodes in ionic liquid electrolytes based on bis(fluorosulfonyl)amide and bis(trifluoromethanesulfonyl)amide anions"
・ Hiroyuki Usui, Naoki Uchida, and Hiroki Sakaguchi, J. Power Sources, 196 (2011) 10244-10248.
　　　"Influence of order in stepwise electroless deposition on anode properties of thick-film electrodes consisting of Si particles coated with Ni and Cu"
・ Hiroyuki Usui, Kazuki Maebara, Koji Nakai, and Hiroki Sakaguchi, Int. J. Electrochem. Sci., 6 (2011) 2246-2254.
　　　"Anode properties of composite thick-film electrodes consisted of Si and various metal silicides"
・ Hiroyuki Usui, Yoshihisa Yamamoto, Kazuhide Yoshiyama, Toshiyuki Itoh, and Hiroki Sakaguchi, J. Power Sources, 196 (2011) 3911-3915.
　　　"Application of electrolyte using novel ionic liquid to Si thick film anode of Li-ion battery"
・ Hiroyuki Usui, Masafumi Shibata, Koji Nakai, and Hiroki Sakaguchi, J. Power Sources, 196 (2011) 2143-2148.
　　　"Anode properties of thick-film electrodes prepared by gas deposition of Ni-coated Si particles"
・ Hiroyuki Usui, Hiroyuki Nishinami, Takahisa Iida, and Hiroki Sakaguchi, Electrochemistry, 78 (5) (2010) 329-331.
　　　"Anode properties of Cu-coated Si thick film electrodes prepared by electroless deposition and gas-deposition"
　　　received "2011 outstanding paper award" from The Electrochemical Society of Japan.
・ Hiroyuki Usui, Yuta Kashiwa, Takahisa Iida, and Hiroki Sakaguchi, J. Power Sources, 195 (2010) 3649-3654.
　　　"Anode properties of Ru-coated Si thick film electrodes prepared by gas-deposition"

・ Hiroyuki Usui, Seishi Abe, Shigehiro Ohnuma, J. Phys. Chem. C, 113 (2009) 20589-20593.
　　　"InSb/Al-O nanogranular films prepared by RF sputtering"
・ Hiroyuki Usui, J. Colloids Interface Sci., 336 (2009) 667-674.
　　　"Surfactant concentration dependence of structure and photocatalytic property of zinc oxide rods prepared using chemical synthesis in aqueous solutions"
・ Hiroyuki Usui, Mater. Lett., 63 (2009) 1489-1492.
　　　"The effect of surfactants on the morphology and optical properties of precipitated wurtzite ZnO"
・ Hiroyuki Usui, Satoshi Mukai, Hidehiro Yasuda, and Hirotaro Mori, J. Cryst. Growth, 311 (2009) 2269-2274.
　　　"Structure analysis of GaAs nanocrystals with anisotropic basal plane grown on Si(100) surface"
・ Hiroyuki Usui, Hidehiro Yasuda, and Hirotaro Mori, Physica E, 40 (2008) 836-842.
　　　"Effect of substrate temperature on growth process of GaAs on Si(110) vicinal surface studied by reflection high-energy electron diffraction"
・ Hiroyuki Usui, Hidehiro Yasuda, and Hirotaro Mori, Thin Solid Films, 516 (2008) 2487-2490.
　　　"Crystal shape of GaAs nanocrystals deposited on Si(100) by molecular beam epitaxy"
・ Hiroyuki Usui, J. Phys. Chem. C, 111 (2007) 9060-9065.
　　　"Influence of surfactant micelles on morphology and photoluminescence of zinc oxide nanorods prepared by one-step chemical synthesis in aqueous solution"
・ Hiroyuki Usui, Hidehiro Yasuda, and Hirotaro Mori, Appl. Phys. Lett., 89 (2006) 173127-1-3.
　　　"Morphology and lattice coherency in GaAs nanocrystals grown on Si(100) surface"
　　　selected as an excellent paper for "Virtual Journal of Nanoscale Science & Technology, 14 (19) (2006)" by The American Institute of Physics.
・ Hiroyuki Usui, Kotaro Ishiji, Hidehiro Yasuda, and Hirotaro Mori, J. Cryst. Growth, 289 (2006) 76-80.
　　　"Growth process and nanostructure of crystalline GaAs on Si(110) surface prepared by molecular beam epitaxy"
・ Hiroyuki Usui, Takeshi Sasaki, and Naoto Koshizaki, Chem. Lett., 35 (2006) 752-753.
　　　"Formation process of platelet nanocomposites with zinc hydroxide and sodium dodecyl sulfate prepared by laser ablation in solution"
・ Hiroyuki Usui, Takeshi Sasaki, and Naoto Koshizaki, J. Phys. Chem. B, 110 (2006) 12890-12895.
　　　"Optical transmittance of indium tin oxide nanoparticles prepared by laser-induced fragmentation in water"
・ Hiroyuki Usui, Takeshi Sasaki, and Naoto Koshizaki, Appl. Phys. Lett., 87 (2005) 063105-1-3.
　　　"Ultraviolet emission from layered nanocomposites of Zn(OH)2 and sodium dodecyl sulfate prepared by laser ablation in liquid"
・ Hiroyuki Usui, Takeshi Sasaki, and Naoto Koshizaki, Chem. Lett., 34 (2005) 701-702.
　　　"Effect of alkyl chain length on layered structure of Zn nanocomposites prepared by laser ablation of Zn in aqueous solution of sodium alkyl sulfate"
・ Hiroyuki Usui,Yoshiki Shimizu, Takeshi Sasaki, and Naoto Koshizaki, J. Phys. Chem. B, 109 (2005) 120-124.
　　　"Photoluminescence of ZnO nanoparticles prepared by pulsed laser ablation in different surfactant solutions"
・ Hiroyuki Usui, Ousuke Miyamoto, Teruaki Nomiyama, Yuji Horie, and Tomoyuki Miyazaki, Sol. Energy Mater. Sol. Cells, 86 (2005) 123-134.
　　　"Photo-rechargeability of TiO2 film electrode prepared by pulsed laser deposition"

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