西 直哉 准教授 (Naoya NISHI, Ph.D., Associate Professor)

連絡先 (Address)

〒615-8510 京都市西京区京都大学桂 京都大学大学院工学研究科物質エネルギー化学専攻 A2棟418号室
Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University
Nishikyo-ku, Kyoto 615-8510, Japan
Phone: +81-75-383-2491 FAX: +81-75-383-2490
e-mail: nishi.naoya.7e@kyoto-u.ac.jp**-del-this-part**

経歴 (Academic and Professional history)

昭和51年 3月生
平成 6年 3月 山口県立宇部高等学校 卒業
平成10年 3月 京都大学 工学部 工業化学科 卒業
平成12年 3月 京都大学大学院 工学研究科 物質エネルギー化学専攻 修士課程 修了
平成15年 3月 同博士課程 修了
平成15年 3月 学位授与 博士(工学)
平成15年 4月 京都大学大学院工学研究科 博士研究員
平成15年10月 京都大学大学院工学研究科 助手
平成17年 4月 京都大学大学院工学研究科 助教
平成20年 9月 カリフォルニア大学アーバイン校 客員研究員(Professor Robert Corn)(1年)
平成21年10月 京都大学大学院工学研究科 准教授
平成26年 6月 リヨン大学 客員研究員(Professor Pierre-Francois Brevet)(1ヶ月)
(現在に至る)
2003 Ph.D. Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University (Supervisor: Professor Takashi Kakiuchi)
2003- 2003 Research fellow (Graduate School of Engineering, Kyoto University)
2003- 2009 Assistant Professor (Graduate School of Engineering, Kyoto University)
2008- 2009 Visiting Researcher (Department of Chemistry, University of California, Irvine, USA (Professor Robert M. Corn))
2014 Visiting Researcher (Institut Lumière Matière, Université Claude Bernard Lyon 1, France (Professor Pierre-François Brevet))
2009- present Associate Professor (Graduate School of Engineering, Kyoto University)

所属学会 (Memberships)

日本化学会、電気化学会、日本分析化学会、日本ポーラログラフ学会、アメリカ化学会

The Chemical Society of Japan, The Electrochemical Society of Japan, The Japan Society for Analytical Chemistry, The Polarographic Society of Japan, American Chemical Society

研究内容 (Research)

イオン液体界面(気液、液液、固液)の電気化学、界面分光学、界面化学

Electrochemistry, interfacial spectroscopy, and interfacial chemistry at ionic liquid interfaces (A/L, L/L, S/L)

原著論文 (Original papers, * mark for the corresponding author)

    • Yu Zhang, Naoya Nishi,* Tetsuo Sakka,
    • "One-step fabrication of Au@Pd core-shell bimetallic nanofibers at the interface between water and redox-active ionic liquid,"
    • Electrochim. Acta, in press.
    • Kota Hashimoto,* Ken-ichi Amano, Naoya Nishi, Tetsuo Sakka,
    • "Integral equation theory based method to determine number density distribution of colloidal particles near a substrate from colloidal probe atomic force microscopy,"
    • J. Mol. Liq., in press.
    • Satoshi Furukawa, Ken-ichi Amano,* Taira Ishihara, Kota Hashimoto, Naoya Nishi, Hiroshi Onishi, Tetsuo Sakka,
    • "Enhancement of Stratification of Colloidal Particles near a Substrate Induced by Addition of non-adsorbing Polymers,"
    • Chem. Phys. Lett., 734, 136705(1-5) (2019).
    • Yu Zhang, Naoya Nishi,* Tetsuo Sakka,
    • "Template-free and spontaneous formation of vertically aligned Pd nanofiber arrays at the liquid-liquid interface between redox-active ionic liquid and water,"
    • ACS Appl. Mater. Interfaces, 11, 23731–23740 (2019).
    • Seiji Takagi, Naoya Nishi,* Tetsuo Sakka,
    • "Ionic Liquid-in-Water Emulsion-Templated Synthesis of Gold Nanoshells at the Liquid-Liquid Interface between Water and Primary Ammonium-based Ionic Liquids,"
    • Chem. Lett., 48, 589–592 (2019).
    • Naoya Nishi,* Junya Uchiyashiki, Yoichi Ikeda, Seiji Katakura, Tatsuro Oda, Masahiro Hino, Norifumi L. Yamada,
    • "Potential-dependent structure of the ionic layer at the electrode interface of an ionic liquid probed using neutron reflectometry,"
    • J. Phys. Chem. C, 123, 9223−9230 (2019).
    • Seiji Katakura, Naoya Nishi,* Kazuya Kobayashi, Ken-ichi Amano, Tetsuo Sakka,
    • "Surface Structure of Quaternary Ammonium-Based Ionic Liquids Studied Using Molecular Dynamics Simulation: Effect of Switching the Length of Alkyl Chains,"
    • J. Phys. Chem. C, 123, 7246-7258 (2019).(selected as "Supplementary Cover Art")
    • Yu Zhang, Naoya Nishi,* Ken-ichi Amano, Tetsuo Sakka,
    • "One-dimensional Pt nanofibers formed by the redox reaction at the ionic liquid|water interface,"
    • Electrochim. Acta, 282, 886–891 (2018).
    • Ken-ichi Amano,* Taira Ishihara, Kota Hashimoto, Naoyuki Ishida, Kazuhiro Fukami, Naoya Nishi, Tetsuo Sakka,
    • "Stratification of Colloidal Particles on a Surface: Study by a Colloidal Probe Atomic Force Microscopy Combined with a Transform Theory,"
    • J. Phys. Chem. B, 122, 4592–4599 (2018).
    • Naoya Nishi,* Yoichi Ikeda, Tetsuo Sakka,
    • "Electrochemical surface plasmon resonance as a probe of redox reactions at the ionic liquid|gold interface,"
    • J. Electroanal. Chem., 817, 210–216 (2018).
    • Ken-ichi Amano,* Tomohiko Hayashi, Kota Hashimoto, Naoya Nishi, Tetsuo Sakka,
    • "Potential of mean force between spherical particles in an ionic liquid and its decomposition into energetic and entropic components: An analysis using an integral equation theory,"
    • J. Mol. Liq., 257, 121–131 (2018).
    • Naoya Nishi,* Ikumi Yajima, Ken-ichi Amano, Tetsuo Sakka,
    • "Janus-type gold/polythiophene composites formed via redox reaction at the ionic liquid|water interface,"
    • Langmuir, 34, 2441−2447 (2018).
    • Naoya Nishi,* Yasuro Kojima, Seiji Katakura, Tetsuo Sakka,
    • "Static capacitance at the electrochemical liquid-liquid interface between ionic liquids and eutectic Ga-In alloy measured using the pendant drop method,"
    • Electrochemistry, 86, 38–41 (2018).
    • Ken-ichi Amano,* Yasuyuki Yokota, Takashi Ichii, Norio Yoshida, Naoya Nishi, Seiji Katakura, Akihito Imanishi, Ken-ichi Fukui, Tetsuo Sakka,
    • "A Relationship between Force Curve Measured by Atomic Force Microscopy in Ionic Liquid and its Density Distribution on a Substrate,"
    • Phys. Chem. Chem. Phys., 19, 30504–30512 (2017).
    • Kenta Motobayashi,* Yuki Inoue, Kazuya Minami, Naoya Nishi,* Tetsuo Sakka, Masatoshi Osawa,
    • "Potential-Induced Restructuring Dynamics of Ionic Liquids on a Gold Electrode: Steric Effect of Constituent Ions Studied by Surface-Enhanced Infrared Absorption Spectroscopy,"
    • J. Electroanal. Chem., 800, 126–133 (2017).
    • Tetsuo Sakka,* Shinji Yamashita, Ken-ichi Amano, Naoya Nishi,
    • "Vibration of Water Sessile Drops in Various Oils,"
    • Chem. Lett., 46, 1337–1340 (2017).
    • Kazuya Kobayashi,* Yunfeng Liang,* Sumihiko Murata,* Toshifumi Matsuoka, Satoru Takahashi, Ken-ichi Amano, Naoya Nishi, Tetsuo Sakka,
    • "Stability Evaluation of Cation Bridging on Muscovite Surface for Improved Description of Ion-Specific Wettability Alteration,"
    • J. Phys. Chem. C, 121, 9273–9281 (2017).
    • Kazuya Kobayashi,* Yunfeng Liang,* Sumihiko Murata, Toshifumi Matsuoka, Satoru Takahashi, Ken-ichi Amano, Naoya Nishi, Tetsuo Sakka,
    • "Ion Distribution and Hydration Structure in the Stern Layer on Mica Surface,"
    • Langmuir, 33, 3892–3899 (2017).
    • Naoya Nishi,* Shunsuke Yasui, Atsunori Hashimoto, Tetsuo Sakka,
    • "Anion dependence of camel-shape capacitance at the interface between mercury and ionic liquids studied using pendant drop method,"
    • J. Electroanal. Chem., 789, 108–113 (2017).
    • Naoya Nishi,* Kazuya Minami, Kenta Motobayashi, Masatoshi Osawa, Tetsuo Sakka,
    • "Interfacial structure at the quaternary ammonium-based ionic liquids|gold electrode interface probed by surface enhanced infrared absorption spectroscopy: anion dependence of the cationic behavior,"
    • J. Phys. Chem. C, 121, 1658−1666 (2017).
    • Ken-ichi Amano,* Mitsuhiro Iwaki, Kota Hashimoto, Kazuhiro Fukami, Naoya Nishi, Ohgi Takahashi, Tetsuo Sakka,
    • "Number Density Distribution of Small Particles around a Large Particle: Structural Analysis of a Colloidal Suspension,"
    • Langmuir, 32, 11063–11070 (2016).
    • Ken-ichi Amano,* Yunfeng Liang, Keisuke Miyazawa, Kazuya Kobayashi, Kota Hashimoto, Kazuhiro Fukami, Naoya Nishi, Tetsuo Sakka, Hiroshi Onishi, Takeshi Fukuma,
    • "Number density distribution of solvent molecules on a substrate: A transform theory for atomic force microscopy,"
    • Phys. Chem. Chem. Phys., 18, 15534–15544 (2016).
    • Kazuya Kobayashi, Yunfeng Liang,* Ken-ichi Amano, Sumihiko Murata,* Toshifumi Matsuoka, Satoru Takahashi, Naoya Nishi, Tetsuo Sakka,
    • "Molecular Dynamics Simulation of Atomic Force Microscopy at Water-Muscovite Interface: Hydration Layer Structure and AFM Force,"
    • Langmuir, 32, 3608–3616 (2016).
    • Ayumu Matsumoto,* Ayaka Tamura, Atsushi Kawasaki, Takaya Honda, Peter Gregorčič, Naoya Nishi, Ken-ichi Amano, Kazuhiro Fukami, Tetsuo Sakka,*
    • "Comparison of the overall temporal behavior of the bubbles produced by short- and long-pulse nanosecond laser ablations in water using a laser-beam-transmission probe,"
    • App. Phys. A, 122, 234(1-6) (2016).
    • 柿並達也,西 直哉,* 天野健一,作花哲夫、
    • 「イオン液体|水界面における酸化還元反応を利用する金の樹枝状ナノファイバーの合成:粘度とナノ構造の相関の検討」:
    • 分析化学, 65, 157–161 (2016).
    • Ayumu Matsumoto,* Ayaka Tamura, Ryo Koda, Kazuhiro Fukami, Yukio H. Ogata, Naoya Nishi, Blair Thornton, Tetsuo Sakka,*
    • "A calibration-free approach for on-site multi-element analysis of metal ions in aqueous solutions by electrodeposition-assisted underwater laser-induced breakdown spectroscopy,"
    • Spectrochim. Acta B, 118, 45–55 (2016).
    • Naoya Nishi,* Tomoya Uruga, Hajime Tanida,
    • "Potential dependent structure of an ionic liquid at ionic liquid | water interface probed by x-ray reflectivity measurements,"
    • J. Electroanal. Chem., 759, 129 – 136 (2015).
    • Ayumu Matsumoto,* Ayaka Tamura, Takaya Honda, Tsuyoshi Hirota, Kazuya Kobayashi, Seiji Katakura, Naoya Nishi, Ken-ichi Amano, Kazuhiro Fukami, Tetsuo Sakka,*
    • "Transfer of the Species Dissolved in a Liquid into Laser Ablation Plasma: An Approach using Emission Spectroscopy,"
    • J. Phys. Chem. C, 119, 26506 – 26511 (2015).
    • Naoya Nishi,* Tatsuya Kakinami, Tetsuo Sakka,
    • "Dendritic nanofibers of gold formed by the electron transfer at the interface between water and highly hydrophobic ionic liquid,"
    • Chem. Commun., 51, 13638 – 13641 (2015).
    • Ken-ichi Amano,* Eisuke Tanaka, Kazuya Kobayashi, Hiroshi Onishi, Naoya Nishi, Tetsuo Sakka,
    • "Force measurement reveals structure of a confined liquid: Observation of the impenetrable space,"
    • Surf. Sci., 641, 242 – 246 (2015).
    • Kazuhiro Fukami,* Tomoko Urata, Katharina Krischer, Naoya Nishi, Tetsuo Sakka, Atsushi Kitada, Kuniaki Murase,
    • "Spontaneous Formation of Microgroove Arrays on the Surface of p-Type Porous Silicon Induced by a Turing Instability in Electrochemical Dissolution,"
    • ChemPhysChem, 16, 1613 – 1618 (2015).
    • Ayaka Tamura,* Ayumu Matsumoto, Kazuhiro Fukami, Naoya Nishi, Tetsuo Sakka,*
    • "Simultaneous observation of nascent plasma and bubble induced by laser ablation in water with various pulse durations,"
    • J. Appl. Phys., 117, 173304 (2015).
    • Naoya Nishi,* Atsunori Hashimoto, Eiji Minami, Tetsuo Sakka,
    • "Electrocapillarity and zero-frequency differential capacitance at the interface between mercury and ionic liquids measured using pendant drop method,"
    • Phys. Chem. Chem. Phys., 17, 5219 – 5226 (2015).
    • Ayumu Matsumoto,* Ayaka Tamura, Ryo Koda, Kazuhiro Fukami, Yukio Ogata, Naoya Nishi, Blair Thornton, Tetsuo Sakka,*
    • "On-Site Quantitative Elemental Analysis of Metal Ions in Aqueous Solutions by Underwater Laser-Induced Breakdown Spectroscopy Combined with Electrodeposition under Controlled Potential,"
    • Anal. Chem., 87, 1655 – 1661 (2015).
    • 片倉誠士,西 直哉,* 小林和弥,天野健一,作花哲夫、
    • 「分子動力学シミュレーションによる四級アンモニウム系イオン液体の表面構造の研究」:
    • 分析化学, 64, 219 – 224 (2015).
    • Ayaka Tamura,* Ayumu Matsumoto, Takashi Nakajima, Kazuhiro Fukami, Yukio H. Ogata, Naoya Nishi, Tetsuo Sakka,*
    • "Effects of temporal laser profile on the emission spectra for underwater laser-induced breakdown spectroscopy: Study by short-interval double pulses with different pulse durations,"
    • J. Appl. Phys., 117, 023302 (2015).
    • Naoya Nishi,* Junya Uchiyashiki, Ryo Oogami, Tetsuo Sakka,
    • "Ionic liquid structure at the electrified ionic liquid|Hg interface studied using in situ spectroscopic ellipsometry,"
    • Thin Solid Films, 571, 735-738 (2014).
    • Ryo Koda, Akira Koyama, Kazuhiro Fukami,* Naoya Nishi, Tetsuo Sakka, Takeshi Abe, Atsushi Kitada, Kuniaki Murase, Masahiro Kinoshita,*
    • "Effect of cation species on surface-induced phase transition observed for platinum complex anions in platinum electrodeposition using nanoporous silicon"
    • J. Chem. Phys., 141, 074701 (2014).
    • Tetsuo Sakka,* Daichi Kozawa, Kiyoto Tsuchiya, Nao Sugiman, Gisle Øye, Kazuhiro Fukami, Naoya Nishi, Yukio H. Ogata,
    • "Two-dimensional array of particles originating from dipole-dipole interaction as evidenced by potential curve measurements at vertical oil/water interfaces"
    • Phys. Chem. Chem. Phys., 16, 16976-16984 (2014).
    • Tetsuo Sakka,* Ayaka Tamura, Ayumu Matsumoto, Kazuhiro Fukami, Naoya Nishi, Blair Thornton,
    • "Effects of pulse width on nascent laser-induced bubbles for underwater laser-induced breakdown spectroscopy"
    • Spectrochim. Acta B, 97, 94-98 (2014).
    • Akira Koyama, Kazuhiro Fukami,* Takeshi Yamauchi, Naoya Nishi, Tetsuo Sakka, Atsushi Kitada, Kuniaki Murase,
    • "Lateral growth of polypyrrole electropolymerized along hydrophobic insulative substrates"
    • ECS Electrochem. Lett., 3, G5-G7 (2014).
    • Kenta Motobayashi,* Kazuya Minami, Naoya Nishi, Tetsuo Sakka, Masatoshi Osawa,*
    • "Hysteresis of Potential-Dependent Changes in Ion Density and Structure of an Ionic Liquid on a Gold Electrode: In Situ Observation by Surface-Enhanced Infrared Absorption Spectroscopy,"
    • J. Phys. Chem. Lett., 4, 3110 – 3114 (2013)
    • Naoya Nishi,* Yuta Hirano, Toshiyuki Motokawa and Takashi Kakiuchi,
    • "Ultraslow relaxation of the structure at the ionic liquid|gold electrode interface to a potential step probed by electrochemical surface plasmon resonance measurements: asymmetry of the relaxation time to the potential-step direction,"
    • Phys. Chem. Chem. Phys., 15, 11615 – 11619 (2013)
    • Naoya Nishi,* Kohji Kasuya, and Takashi Kakiuchi,
    • "Surface structure of a hydrophobic ionic liquid probed by spectroscopic ellipsometry,"
    • J. Phys. Chem. C, 116, 5097 – 5102 (2012)
    • Shimpei Makino, Yuki Kitazumi, Naoya Nishi, Takashi Kakiuchi,*
    • "Charging current probing of the slow relaxation of the ionic liquid double layer at the Pt electrode,"
    • Electrochem. Commun., 13, 1365 – 1368 (2011)
    • Naoya Nishi,* Tomoya Uruga, Hajime Tanida, and Takashi Kakiuchi,
    • "Temperature Dependence of Multilayering at the Free Surface of Ionic Liquids Probed by X-ray Reflectivity Measurements,"
    • Langmuir, 27, 7531– 7536 (2011)
    • Takuya Ohtani, Naoya Nishi, and Takashi Kakiuchi,*
    • "Differential pulse stripping voltammetry of moderately hydrophobic ions based on hydrophobic ionic liquid membranes supported on the Ag/AgCl electrode,"
    • J. Electroanal. Chem., 656, 102–105 (2011)
    • Yukinori Yasui, Yuki Kitazumi, Naoya Nishi, and Takashi Kakiuchi,*
    • "A comparison of the ultraslow relaxation processes at the ionic liquid-water interface for three hydrophobic ionic liquids,"
    • Electrochem. Commun., 12, 1479–1482 (2010)
    • Yukinori Yasui, Yuki Kitazumi, Naoya Nishi, and Takashi Kakiuchi,*
    • "Electrocapillarity under Ultraslow Relaxation of the Ionic Liquid Double Layer at the Interface between Trioctylmethylammonium Bis(nonafluorobutanesulfonyl)amide and Water,"
    • J. Phys. Chem. B, 114, 11141–11148 (2010)
    • Takashi Kakiuchi,* Yukinori Yasui, Yuki Kitazumi, and Naoya Nishi,
    • "Voltammetric Manifestation of the Ultraslow Dynamics at the Interface between Water and an Ionic Liquid, Trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide,"
    • ChemPhysChem, 11, 2912 – 2918 (2010)
    • Yukinori Yasui, Yuki Kitazumi, Naoya Nishi, and Takashi Kakiuchi,*
    • "Analysis of equilibrium electrocapillary curves at the interface between hydrophobic ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide, and aqueous lithium chloride solutions,"
    • J. Chem. Eng. Data, 55, 4463 – 4466 (2010)
    • Naoya Nishi, Yukinori Yasui, Tomoya Uruga, Hajime Tanida, Tasuku Yamada, Shun-ichi Nakayama, Hideki Matsuoka, and Takashi Kakiuchi,*
    • "Ionic multilayers at the free surface of an ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide, probed by X-ray reflectivity measurements,"
    • J. Chem. Phys., 132, 164705(1-6) (2010)
    • Yuko Hirohata, Naoya Nishi and Takashi Kakiuchi,*
    • "Determination of the Activity of 1-Methyl-3-octylimidazolium Bis(trifluoromethanesulfonyl)amide in Binary Ionic Liquids from the Solubility in Water,"
    • J. Chem. Eng. Data, 55, 1980 – 1985 (2010)
    • Guillaume Revillod, Naoya Nishi, and Takashi Kakiuchi,*
    • "Orientation Correlation of Sulfosuccinate-based Room-Temperature Ionic Liquids Studied by Polarization-Resolved Hyper-Rayleigh Scattering,"
    • J. Phys. Chem. B, 113, 15322 – 15326 (2009)
    • Aaron R. Halpern, Naoya Nishi, Jia Wen, Fan Yang, Chengxiang Xiang, Reginald M. Penner, Robert M. Corn,*
    • "Characterization of Electrodeposited Gold and Palladium Nanowire Gratings with Optical Diffraction Measurements,"
    • Anal. Chem., 81, 5585 – 5592 (2009). (selected as "Accelerated Article" and "Cover Article")
    • Ryoichi Ishimatsu, Yuki Kitazumi, Naoya Nishi, and Takashi Kakiuchi,*
    • "Phase transition of a Binary Room-temperature Ionic Liquid Composed of Bis(pentafluoroethanesulfonyl)amide Salts of Tetraheptylammonium and N-Tetradecylisoquinolinium and its Surface Properties at the Ionic Liquid|Water Interface,"
    • J. Phys. Chem. B, 113, 9321 – 9325 (2009)
    • Yukinori Yasui, Yuki Kitazumi, Ryoichi Ishimatsu, Naoya Nishi, and Takashi Kakiuchi,*
    • "Ultraslow response of interfacial tension to the change in the phase-boundary potential at the interface between water and a room-temperature ionic liquid, trioctylmethylammonium bis(nonafluorobutanesulfonyl)amide,"
    • J. Phys. Chem. B, 113, 3273 – 3276 (2009)
    • Naoya Nishi, Akihito Suzuki, and Takashi Kakiuchi,*
    • "Hydrophobic ionic liquids composed of perfluoroalkyltrifluoroborates for ionic liquid-water two-phase systems,"
    • Bull. Chem. Soc. Jpn, 82, 86 – 92 (2009) (selected as "Selected Paper")
    • Naoya Nishi, Hiroshi Murakami, Yukinori Yasui, and Takashi Kakiuchi,*
    • "Use of Highly Hydrophobic Ionic Liquids for Ion-selective Electrodes of the Liquid Membrane Type,"
    • Anal. Sci., 23, 1315 – 1320 (2008) (selected as "Hot Article")
    • Naoya Nishi, Seiichi Imakura, and Takashi Kakiuchi,*
    • "A digital simulation study of steady-state voltammograms for the ion transfer across the liquid|liquid interface formed at the orifice of a micropipette,"
    • J. Electroanal. Chem., 621, 297 – 303 (2008)
    • Pham Hong Phong, Hiroyuki Tomono, Naoya Nishi, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Artificially phase-separated binary self-assembled monolayers composed of 11-amino-1-undecanethiolate and 10-carboxy-1-decanethiolate on Au(111) by use of fluoren-9-ylmethyl N-(11-mercaptoundecyl)carbamate,"
    • Electrochim. Acta, 53, 4900 – 4906 (2008)
    • Takashi Kakiuchi,* Takahiro Yoshimatsu, and Naoya Nishi,
    • "New class of Ag/AgCl electrodes based on hydrophobic ionic liquid saturated with AgCl,"
    • Anal. Chem., 79, 7187 – 7191 (2007)
    • Ryoichi Ishimatsu, Naoya Nishi, and Takashi Kakiuchi,*
    • "Wide Polarized Potential Windows at the Interface between Water and an Ionic Liquid, Tetraheptylammonium Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate,"
    • Chem. Lett., 36, 1166 - 1167 (2007)
    • Naoya Nishi, Ryoichi Ishimatsu, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Orientation of 1-dodecyl-4-phenylpyridinium ions constituting an ionic liquid at the ionic liquid|water interface studied by second harmonic generation,"
    • J. Phys. Chem. C, 111, 12461 - 12466 (2007)
    • 西 直哉,山本雅博,垣内 隆,*
    • 「光第二高調波発生法によるN-アルキルイソキノリニウム系イオン液体|水界面の構造解析」:
    • 分析化学, 56, 491 - 498 (2007)
    • Ryoichi Ishimatsu, Naoya Nishi, and Takashi Kakiuchi,*
    • "Interfacial Ion Pairing at the Interface between Water and a Room-Temperature Ionic Liquid, N-tetradecylisoquinolinium bis(pentafluoroethylsulfonyl)imide,"
    • Langmuir, 23, 7608-7611 (2007)
    • Pham Hong Phong, Vladimir Viktorovich Sokolov, Naoya Nishi, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Concentration-dependent Switching of the Mode of Phase Separation in Ternary Self-assembled Monolayers of 2-Mercaptoethane Sulfonic acid, 2-Aminoethanethiol and 1-Dodecanethiol on Au(111),"
    • J. Electroanal. Chem. 600, 35 - 44 (2007)
    • Ryoichi Ishimatsu, Fumiko Shigematsu, Takuma Hakuto, Naoya Nishi, and Takashi Kakiuchi,*
    • "Structure of the electrical double layer on the aqueous solution side of the polarized interface between water and a room-temperature ionic liquid, tetrahexylammonium bis(trifluoromethylsulfonyl)imide,"
    • Langmuir, 23, 925 - 929 (2007)
    • Naoya Nishi, Hiroshi Murakami, Seiichi Imakura, and Takashi Kakiuchi,*
    • "Facilitated transfer of alkali-metal cations by dibenzo-18-crown-6 across the electrochemically polarized interface between an aqueous solution and a hydrophobic room-temperature ionic liquid,"
    • Anal. Chem. 78, 5805 - 5812 (2006)
    • Norihiro Tsujioka, Seiichi Imakura, Naoya Nishi, and Takashi Kakiuchi,*
    • "Voltammetry of ion transfer across the electrochemically polarized micro liquid-liquid interface between water and a room-temperature ionic liquid, tetrahexylammonium bis(trifluoromethylsulfonyl)imide, using a glass capillary micropipette,"
    • Anal. Sci. 22, 667 - 671 (2006)
    • Naoya Nishi, Seiichi Imakura, and Takashi Kakiuchi,*
    • "Wide electrochemical window at the interface between water and a hydrophobic room-temperature ionic liquid of tetrakis[3,5-bis(trifluoromethyl)- phenyl]borate,"
    • Anal. Chem. 78, 2726 - 2731 (2006)
    • Naoya Nishi, Takahiro Kawakami, Fumiko Shigematsu, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Fluorine-free and hydrophobic room-temperature molten salts, tetraalkylammonium bis(2-ethylhexyl)sulfosuccinates, and their molten salt-water two-phase properties,"
    • Green Chem. 8, 349 - 355 (2006).
    • Pham Hong Phong, Yosuke Ooi, Daisuke Hobara, Naoya Nishi, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Phase separation of ternary self-assembled monolayers into hydrophobic 1-dodecanethiol domains and electrostatically stabilized hydrophilic domains composed of 2-aminoethanethiol and 2-mercaptoethanesulfonic acid on Au(111),"
    • Langmuir, 21, 10581 - 10586 (2005).34
    • 岩見安展,山本雅博,* 西直哉,垣内隆、
    • 「クマリン343の蛍光寿命測定による水|Aerosol-OT|1,2-ジクロロエタン逆ミセル系におけるサブピコ秒溶媒和ダイナミクス解析」:
    • 分析化学, 54, 485 - 494 (2005)
    • Takashi Kakiuchi,* Norihiro Tsujioka, Kenji Sueishi, Naoya Nishi, and Masahiro Yamamoto,
    • "Polarized potential window available at the interface between an aqueous electrolyte solution and tetraalkylammonium imide salts,"
    • Electrochemistry, 72, 833 - 835 (2004)
    • Kazuyuki Tanaka, Naoya Nishi, and Takashi Kakiuchi,*
    • "Electroneutrality-coupling of the electron transfer at the electrode surface and the ion transfer across the interface between the thin-layer of 1-octyl-3-methylimidazolium bis(perfluoroalkylsulfonyl)imide covering the electrode surface and the outer electrolyte solution,"
    • Anal. Sci., 20, 1553 - 1557 (2004)
    • Takashi Kakiuchi,* Fumiko Shigematsu, Takuya Kasahara, Naoya Nishi, and Masahiro Yamamoto,
    • "Electrocapillarity at the nonpolarized interface between the aqueous solution and the room-temperature molten salt composed of 1-octyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide,"
    • Phys. Chem. Chem. Phys., 6, 4445 - 4449 (2004)
    • Takuya Kasahara, Naoya Nishi, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Electrochemical Instability in the Transfer of Cationic Surfactant across the 1,2-Dichloroethane|Water interface,"
    • Langmuir, 20, 875-881 (2004)
    • Naoya Nishi, Daisuke Hobara, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Orientation of o-, m-, and p-Methylbenzylmercaptans Adsorbed on Au(111) Probed by Broad-Bandwidth Sum Frequency Generation Spectroscopy,"
    • Langmuir, 19, 6187-6192 (2003)
    • Naoya Nishi, Daisuke Hobara, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Chain-length-dependent change in the structure of self-assembled monolayers of n-alkanethiols on Au(111) probed by broad-bandwidth sum frequency generation spectroscopy,"
    • J. Chem. Phys., 118, 1904-1911 (2003)
    • Naoya Nishi, Daisuke Hobara, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "Total-internal-reflection broad-bandwidth sum frequency generation spectroscopy of hexadecanethiol adsorbed on thin gold film deposited on CaF2 prism,"
    • Anal. Sci., 19, 887-890 (2003)
    • Naoya Nishi and Takashi Kakiuchi,*
    • "Potential-dependent Adsorption of Transferring Ions Having Asymmetric Charge Distribution at the 1,2-Dichloroethane|Water Interface and Its Ion-transfer Kinetics Studied by AC-modulated Voltfluorometry,"
    • Russ. J. Electrochem., 39, 138-142 (2003)
    • Takashi Kakiuchi,* Naoya Nishi, Takuya Kasahara, and Minako Chiba,
    • "Regular Irregularity in the Transfer of Anionic Surfactant across the Liquid|Liquid Interface,"
    • ChemPhysChem, 4, 179-185 (2003)
    • Naoya Nishi. Kazuo Izawa, Masahiro Yamamoto, and Takashi Kakiuchi,*
    • "AC-modulated voltfluorometric study of the transient adsorption of Rose Bengal dianions in the transfer across the 1,2-dichloroethane|water interface,"
    • J. Phys. Chem. B, 105, 8162-8169 (2001)
    • Atsushi Mineshige,* Toshiya Taji, Yasunori Muroi, Masafumi Kobune, Satoshi Fujii, Naoya Nishi, Minoru Inaba, and Zempachi Ogumi,
    • "Oxygen chemical potential variation in ceria-based solid oxide fuel cells determined by Raman spectroscopy,"
    • Solid State Ionics, 135, 481-485 (2000)

総説・解説 (Review papers)

    • 西 直哉、
    • 「イオン液体のソフト液液界面で成長する金属ナノファイバー」:
    • 科学と工業, 92(4), 91 – 96 (2018).
    • 西 直哉、
    • 「イオン液体表面における分子レベルの構造」:
    • オレオサイエンス, 15(7), 305 – 310 (2015).
    • 本林健太、西 直哉、作花哲夫、大澤雅俊、
    • 「電極界面におけるイオン液体の構造とその電位応答:表面増強赤外分光法による研究」:
    • 溶融塩および高温化学, 58, 55 – 62 (2015).
    • 西 直哉、
    • 「イオン液体界面における構造とダイナミクスの多角的な界面分光法による研究」:
    • Colloid and Interface Communication, 39(4), 35 – 37 (2014).
    • 西 直哉、
    • 「汗の電気分析化学:一時転写タトゥー型 電気化学バイオセンサーによる 乳酸の非侵襲測定」:
    • 化学と工業, 67(9), 785 – 785 (2014).
    • 西 直哉、垣内 隆、
    • 「イオン液体界面の電気二重層構造を探る!」:
    • 化学, 63(3), 68 – 69 (2008).
    • 西 直哉、
    • 「有限要素法による電気化学反応のデジタルシミュレーション」:
    • Rev. Polarogr.,53, 41 – 50 (2007).
    • 西 直哉、
    • 「疎水性イオン液体水二相系を用いる生体高分子の抽出」:
    • ぶんせき, 407 – 407 (2007).
    • Takashi Kakiuchi and Naoya Nishi,
    • "Ionic liquid|water interface: A new electrified system fr electrochemistry,"
    • Electrochemistry 74, 942 - 948 (2006).
    • 西 直哉、
    • 「イオン液体界面の分子構造」:
    • 溶融塩および高温化学, 48, 97 – 100 (2005).

受賞歴 (Awards)

  1. 日本分析化学会2011年 奨励賞
  2. 宇部興産学術振興財団 第52回学術奨励賞
  3. 日本化学会コロイドおよび界面化学部会 2014年度 科学奨励賞
  1. Young Researcher Award, The Japan Society for Analytical Chemistry (2011).
  2. Young Researcher Award for Science, The UBE foundation (2011).
  3. Young Researcher Award for Science, Division of Colloid and Surface Chemistry, Chemical Society of Japan (2014).
趣味

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