ナノ材料科学研究グループ

Analytical Transmission Electron Microscopy Investigation of Electrochemically Li⁺-Na⁺ Substituted LiNi_0.5Mn_1.5O₄ Electrode
橘田晃宜, 片岡理樹, 小島敏勝
Journal of Solid State Chemistry, 315巻 123458 (2022)

ナトリウムイオン二次電池用部材の開発動向 (スピネル型ナトリウムチタン酸化物の開発)
橘田晃宜
月刊機能材料, 7月号 (2022)

Optical Study of the Surface Film Formed during Li-Metal Deposition and Dissolution Investigated by Surface Plasmon Resonance Spectroscopy
橘田晃宜, 吉井一記, 村井健介, 佐野 光
ACS Applied Materials & Interfaces, 14巻 24号 28370-28377頁 (2022)

Microscopic Electrochemical Analysis of All-Solid-State Li-Ion Batteries Using Conductive Atomic Force Microscopy as a Nano Current Collector Probe
前田 泰, 橘田晃宜, 倉谷健太郎
Japanese Journal of Applied Physics, 61巻 SL1002 (2022)

エネルギー分解能可変バンドパスフィルターを用いた二次電子および反射電子のスペクトルイメージング分析
Spectrum Imaging for Secondary Electrons and Backscattered Electrons Using Band Pass Filter with Variable Energy Resolution
内田達也、伊木田木の実、田中章泰、横内和城、池尾信行、堤 建一、田口 昇
日本電子news, 54巻 1号 32-39頁 (2022) ISSN 0386-6572
JEOL NEWS, 57巻 1号 40-47頁 (2022) ISSN 1349-6832

Enhancing the Cyclability of VS₄ Positive Electrode in Carbonate-Based Electrolyte Using Fluoroethylene Carbonate Additive
吉井一記, 河野一重, 前吉雄太, 田口 昇, 矢野 亮, 竹内友成, 栄部比夏里
Batteries & Supercaps, 5巻 6号 e202200016 (2022)

Sulphonated melamine polymer for enhancing the oxygen reduction reaction activity and stability of a Pt catalyst
山崎眞一, 朝日将史, 田口 昇, 五百蔵勉
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 908巻 116103 (2022)

Spectrum imaging measurements with semi-parallel detection using an AES apparatus
田口 昇, 内田達也, 伊木田木の実, 田中章泰, 池尾信行, 横内和城, 堤 建一
ULTRAMICROSCOPY, 233巻 113450 (2022)

Facile Material Design Concept for Co-Free Lithium Excess Nickel-Manganese Oxide as High-Capacity Positive Electrode Material
田渕光春, 橘田晃宜, 矢澤宏次, 久保田圭
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 168巻 11号 110525 (2021)

Stability of Zirconium-Substituted Face-Centered Cubic Yttrium Hydride
片岡理樹, 浅野耕太, 榊 浩司, 橘田晃宜, 多田幸平, 清林 哲, 尾崎弘幸, 竹市信彦, 林 繁信, 木村 通, 亀川厚則
INORGANIC CHEMISTRY, 60巻 23号 17715-17721頁 (2021)

Synthesis of cubic silver titanium oxide with a spinel-based structure
橘田晃宜, 小島敏勝, 片岡理樹, 多田幸平
JOURNAL OF SOLID STATE CHEMISTRY, 303巻 122514 (2021)

Detection of a real heterogeneous catalyst with an inactive oxygen-covered surface: Au/Li₄Ti₅O₁₂
多田幸平, 橘田晃宜, 田中真悟
APPLIED SURFACE SCIENCE, 554巻 15号 149624 (2021)

Electrochemical Surface Plasmon Resonance Spectroscopy for Investigation of the Initial Process of Lithium Metal Deposition
橘田晃宜, 村井健介, 吉井一記, 佐野 光
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 143巻 29号 11160-11170頁 (2021)

Direct confirmation of the dopant site in indium-doped SrTiO₃ photocatalyst via atomic-scale analytical transmission electron microscopy imaging
橘田晃宜, 田口 昇, Hanggara Sudrajat, 大西 洋
APPLIED PHYSICS LETTERS, 118巻 153901 (2021)

Cathode properties of FeF₃–V₂O₅ Glass/C for lithium-ion batteries
喜多條鮎子, 外薗昌弘, 田口 昇, 田中真悟, 岡田重人
Journal of Alloys and Compounds, 865巻 157449 (2021)

Structural stability of Na-inserted spinel-type sodium titanium oxide
橘田晃宜, 片岡理樹, 小島敏勝, 多田幸平, 田中真悟
Journal of Alloys and Compounds, 853巻 157211 (2021)

Different Oxygen Desorption Durabilities of Lithium Titanium Oxides as Confirmed by Transmission Electron Energy-Loss Spectroscopy Analysis of Li₄Ti₅O₁₂ and β-Li₂TiO₃ Biphase Specimens
橘田晃宜, 多田幸平
ACS Applied Energy Materials, 4巻 2号 1377-1386頁 (2021)

Analysis of LiCoO₂ electrodes through principal component analysis of current–voltage datacubes measured using atomic force microscopy
前田 泰, 田口 昇, 栄部比夏里
Journal of Vacuum Science & Technology B, 39巻 1号 012402 (2021)

Synthesis and crystal structure of fluorite-type La_2.4Zr_1.2Ta_0.4O₇: A precursor oxide for low temperature formation of garnet-type Li_6.5La₃Zr_1.5Ta_0.5O₁₂
浜尾尚樹, 濱本孝一, 田口 昇, 田中真悟, 秋本順二
Solid State Ionics, 357巻 115460 (2020)

Effects of Film Formation on the Electrodeposition of Lithium
吉井一記, 木内久雄, 田口 昇, 鹿野昌弘, 松原英一郎, 栄部比夏里
ChemElectroChem, 7巻 21号 4336-4342頁 (2020)

Determination of solid electrolyte interphase formation mechanism on negative electrode surface in Li-O₂ battery electrolyte by operando electrochemical atomic force microscopy observation
橘田晃宜, 佐野 光
Applied Surface Science, 528巻 146997 (2020)

"Improved gravimetric energy density and cycle life in organic lithium-ion batteries with naphthazarin-based electrode materials"
八尾 勝, 田口 昇, 安藤尚功, 竹市信彦, 清林 哲
COMMUNICATIONS MATERIALS, 1巻 70 (2020)

In-Operando Detection of the Physical Property Changes of an Interfacial Electrolyte during the Li-Metal Electrode Reaction by Atomic Force Microscopy
橘田晃宜
Langmuir, 36巻 33号 9701-9708頁 (2020)

Study of the solid electrolyte interphase of Li-O₂ battery electrolyte by analytical transmission electron microscopy
橘田晃宜, 佐野 光
Microscopy, 69巻 4号 227-233頁 (2020)

Lithium analysis in Li-ion battery materials via a scanning electron microscopy-based approach
田口 昇, 栄部比夏里, 田中真悟
Surface and Interface Analysis, 52巻 6号 335-338頁 (2020)

Direct insights into RbInSe2 formation at Cu(In,Ga)Se₂ thin film surface with RbF postdeposition treatment
田口 昇, 田中真悟, 石塚尚吾
Applied Physics Letters, 113巻 113903 (2020)

New insight derived from a two-compartment cell: electrochemical behavior of FeF₃ positive electrode
吉井一記, 田口 昇, 宮崎武志, 鹿野昌弘, 栄部比夏里
Chemical Communications, 56巻 4878-4881頁 (2020)

Preparation of the NaTaO₃ Crystal from the KTaO₃ Substrate via Topotactic Alkaline Cation Substitution as Confirmed by Transmission Electron Microscopy
橘田晃宜, 大西 洋
e-Journal of Surface Science and Nanotechnology, 18巻 32-37頁 (2020)

Realizing the Single-Phase Spinel-Type Sodium Titanium Oxide with the Li₄Ti₅O₁₂-like Structure for Building Stable Sodium-Ion Batteries
橘田晃宜, 小島敏勝, 片岡理樹, 矢澤宏次, 多田幸平
ACS Applied Materials & Interfaces, 12巻 8号 9322-9331頁 (2020)

Electrochemical analysis of the porphyrazine-induced enhancement of ORR activity of Pt catalysts for the development of porphyrazine-adsorbed Pt catalysts
山崎眞一, 朝日将史, 田口 昇, 五百蔵勉
Journal of Electroanalytical Chemistry, 848巻 113321 (2019)

Similarities and Critical Differences in Heavy Alkali-Metal Rubidium and Cesium Effects on Chalcopyrite Cu(In,Ga)Se₂ Thin-Film Solar Cells
石塚尚吾, 田口 昇, Paul J. Fons
The Journal of Physical Chemistry C, 123巻 29号 17757-17764頁 (2019)

走査プローブ顕微鏡によるリチウム系二次電池負極材料の表面研究
橘田晃宜
表面と真空, 62巻 6号 338-343頁 (2019)

Scanning Spreading Resistance Microscopy: A Promising Tool for Probing the Reaction Interface of Li-Ion Battery Materials
橘田晃宜, 深田千恵
Langmuir, 35巻 26号 8726–8731頁 (2019)

Effective surface termination with Au on PtCo@Pt core-shell nanoparticle: Microstructural investigations and oxygen reduction reaction properties
高橋俊太郎, 轟 直人, 妙智力也, 長尾哲朗, 田口 昇, 五百蔵勉, Felix E. Feiten, 脇坂祐輝, 朝倉清高, 関澤央輝, 坂田智裕, 東晃太朗, 宇留賀朋哉, 岩澤康裕, 和田山智正
Journal of Electroanalytical Chemistry, 842巻 1-7頁 (2019)

Spinel-Type Sodium Titanium Oxide: A Promising Sodium-Insertion Material of Sodium-Ion Batteries
橘田晃宜, 片岡理樹, 田中真悟, 竹市信彦, 香山正憲
ACS Applied Energy Materials, 2巻 6号 4345-4353頁 (2019)

Elucidation of Microstructure Formation Mechanism through Competitive Reactions during Initial Hydrogenation in Mg/Cu Super-Laminate Composites
田中孝治, 近藤亮太, 竹下博之
MATERIALS TRANSACTIONS, 60巻 5号 642-651頁 (2019)

Facile Approach to Enhance Oxygen Reduction Activity by Modification of Platinum Nanoparticles by Melamine-Formaldehyde Polymer
朝日将史, 山崎眞一, 田口 昇, 五百蔵勉
Journal of the Electrochemical Society, 166巻 8号 F498-F505頁 (2019)

Improving the oxygen redox stability of NaCl-type cation disordered Li₂MnO₃ in a composite structure of Li₂MnO₃ and spinel-type LiMn₂O₄
片岡理樹, 田口 昇, 小島敏勝, 竹市信彦, 清林 哲
Journal of Materials Chemistry A, 7巻 5381-5390頁 (2019)

Preparation of Visible-light Responsive Rutile-TiO₂(110) Wafer with Well-defined Surface by Chromium and Antimony Codoping
橘田晃宜, 大西 洋
e-Journal of Surface Science and Nanotechnology, 17巻 5-9頁 (2019)

Preparation of Highly Oriented Porous LiCoO₂ Crystal Films via Li-Vapor Crystal Growth Method
橘田晃宜, 倉谷健太郎
Crystal Growth & Design, 19巻 1号 150-156頁 (2019)

Competitive Reactions and Formation Mechanism of Microstructures in Mg/Cu Super-Laminate Composites during Initial Hydrogenation
田中孝治, 近藤亮太, 竹下博之
Materials Science Forum, 941巻 1927-1932頁 (2018)

Magnetic behavior of Fe nanoparticles driven by phase transition of FeF₃
高見 剛, 松井啓太郎, 妹尾 博, 田口 昇, 鹿野昌弘, 栄部比夏里, 福永俊晴
Journal of Alloys and Compounds, 769巻 539-544頁 (2018)

CO Oxidation Properties and Scanning Transmission Electron Microscopy Observation of Au/SrTiO₃ Catalysts
秋田知樹, 前田 泰
Catalysis Letters, 148巻 3035-3041頁 (2018)

Mechanism of the Na-substituted Spinel Phase Generation in a Li₄Ti₅O₁₂ Electrode via Sodium-ion Battery Cycling
橘田晃宜, 香山正憲
Electrochemistry, 86巻 4号 194-197頁 (2018)

Structure analyses of Fe-substituted Li₂S-based positive electrode materials for Li-S batteries
竹内友成, 蔭山博之, 田口 昇, 中西康次, 河口智也, 尾原幸治, 福田勝利, 作田 敦, 太田俊明, 福永俊晴, 栄部比夏里, 小林弘典, 松原英一郎
Solid State Ionics, 320巻 387-391頁 (2018)

Stability of Layered Rhodium Octaethylporphyrin in Water Studied by Atomic Force Microscopy
前田 泰, 多田幸平, 山崎眞一
e-Journal of Surface Science and Nanotechnology, 16巻 253-256頁 (2018)

Assessing the Potential of Co-Pt Bronze for Electrocatalysis in Acidic Media
上高雄二, 田口 昇, 森本 友
Catalysts, 8巻 7号 258 (2018)

Relationship between initial hydrogen absorption properties and microstructures of Mg/Cu super-laminate composites with different accumulative roll bonding cycles
田中孝治, 西野大爾, 近藤亮太, 竹下博之
IOP Conference Series: Materials Science and Engineering, 375巻 012032 (2018)

Encapsulating highly catalytically active metal nanoclusters inside porous organic cages
YANG Xinchun, Sun Jian-Ke, 橘田晃宜, Huan Pang, 徐 強
Nature Catalysis, 1巻 3号 214-220頁 (2018)

TiO₂ Crystal Structure Dependence of Low-temperature CO Oxidation Catalyzed by Au/TiO₂
多田幸平, 前田 泰, 古賀裕明, 奥村光隆
CHEMISTRY LETTERS, 47巻 2号 200-203頁 (2018)

Group III Elemental Composition Dependence of RbF Postdeposition Treatment Effects on Cu(In,Ga)Se₂ Thin Films and Solar Cells
石塚尚吾, 田口 昇, 西永慈郎, 上川由紀子, 田中真悟, 柴田 肇
The Journal of Physical Chemistry C, 122巻 7号 3809-3817頁 (2018)

Study of the hydrate-melt/Li₄Ti₅O₁₂ interphase by scanning electron microscopy-based spectroscopy
橘田晃宜, 田口 昇, 深田千恵, 香山正憲
LANGMUIR, 33巻 49号 13923-13928頁 (2017)

Challenges for high-efficiency buffer-free Cu(In,Ga)Se₂ solar cells
石塚尚吾, 鯉田 崇, 田口 昇, 田中真悟, P. Fons, 柴田 肇
Proceedings of the 33rd EUPVSEC, 1024-1026頁 (2017)

Monodispersed Pt nanoparticles on reduced graphene oxide by a non-noble metal sacrificial approach for hydrolytic dehydrogenation of ammonia borane
] CHEN Yao, YANG Xinchun, 橘田晃宜, 徐 強
Nano Research, 10巻 11号 3811-3816頁 (2017)

Si-Doping Effects in Cu(In,Ga)Se₂ Thin Films and Applications for Simplified Structure High-Efficiency Solar Cells
石塚尚吾, 鯉田 崇, 田口 昇, 田中 真悟, Fons James Paul, 柴田 肇
ACS Applied Materials & Interfaces, 9巻 36号 31119-31128頁 (2017)

Nanoscale controlled Li-insertion reaction induced by scanning electron-beam irradiation in a Li₄Ti₅O₁₂ electrode material for lithium-ion batteries
橘田晃宜, 香山正憲
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 19巻 18号 11581-11587頁 (2017)

Pressure-Stabilized Cubic Perovskite Oxyhydride BaScO₂H
Yoshihiro Goto, Cédric Tassel, Yasuto Noda, Olivier Hernandez, Chris J. Pickard, Mark A. Green, 栄部比夏里, 田口 昇, Yoshiharu Uchimoto, Yoji Kobayashi, Hiroshi Kageyama
INORGANIC CHEMISTRY, 56巻 9号 4840-4845頁 (2017)

Synthesis of Highly Active Sub-Nanometer Pt@Rh Core–Shell Nanocatalyst via a Photochemical Route: Porous Titania Nanoplates as a Superior Photoactive Support
Zhan Wen-wen, Zhu Qi-Long, Dang Song, 劉 崢, 橘田晃宜, 末永和知, Lan-sun Zheng, 徐 強
Small, 13巻 16号 1603879 (2017)

Real-time observation of Li deposition on a Li electrode with operand atomic force microscopy and surface mechanical imaging
橘田晃宜, 佐野 光
LANGMUIR, 33巻 8号 1861-1866頁 (2017)

Electrochemical in situ synthesis: A new synthesis route for redox active manganese oxides for rechargeable sodium ion battery through initial charge process
片岡理樹, 橘田晃宜, 竹市信彦, 清林 哲
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 164巻 2号 A226-A230頁 (2017)

Practical analysis of Li distribution by EELS
秋田知樹, 田口 昇
SURFACE AND INTERFACE ANALYSIS, 48巻 11号 1226-1230頁 (2016)

Transmission electron microscopy investigation of the LiMn₂O₄/NaxMnO₂ interface as a model study of a Na-ion battery electrode
橘田晃宜, 秋田知樹, 香山正憲
AIP Advances, 6巻 11号 115216 (2016)

A Simultaneous Solid Grinding Method for the Preparation of Gold Catalysts
前田 泰, 田口 昇, 秋田知樹, 香山正憲
CATALYSIS LETTERS, 146巻 2376-2380頁 (2016)

Characterization of MgO-coated-LiCoO₂ particles by analytical transmission electron microscopy
田口 昇, 秋田知樹, 辰巳国昭, 栄部比夏里
JOURNAL OF POWER SOURCES, 328巻 1号 161-166頁 (2016)

Effect of Charge Transfer Resistance on Morphology of Lithium Electrodeposited in Ionic Liquid
佐野 光, 橘田晃宜, 松本 一
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 163巻 12号 D3076-D3079頁 (2016)

Metal-Organic Framework-Derived Honeycomb-Like Open Porous Nanostructures as Precious-Metal-Free Catalysts for Highly Efficient Oxygen Electroreduction
Qi-Long Zhu, Wei Xia, 秋田知樹, Ruqiang Zou, 徐 強
ADVANCED MATERIALS, 28巻 30号 6391-6398頁 (2016)

Study of the interface between Na-rich and Li-rich phases in a Na-inserted spinel Li₄Ti₅O₁₂ crystal for an electrode of a sodium-ion battery
橘田晃宜, 片岡理樹, 香山正憲
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 18巻 29号 19888-19893頁 (2016)

Spinel manganese oxide: A high capacity positive electrode material for the sodium ion battery
片岡理樹, 橘田晃宜, 尾崎弘幸, 竹市信彦, 清林 哲
ELECTROCHIMICA ACTA, 212巻 10号 458-464頁 (2016)

REELS study of a LiNi_1/3Mn_1/3Co_1/3O₂ positive electrode
田口 昇, 橘田晃宜, 栄部比夏里, 秋田知樹
SURFACE AND INTERFACE ANALYSIS, 48巻 11号 1144-1147頁 (2016)

AES Study of LiNi_1/3Mn_1/3Co_1/3O₂ electrode material in Li-ion battery
田口 昇, 栄部比夏里, 秋田知樹
AMTC Letters, 5巻 206-207頁 (2016)

Preparation of well-oriented Li₄Ti₅O₁₂ single crystal films from TiO₂ wafers
橘田晃宜, 香山正憲
AMTC Letters, 5巻 202-203頁 (2016)

Synthesis of carbon-supported PtRh random alloy nanoparticles using electron beam irradiation reduction method
Yoshiyuki Matsuura, Satoshi Seino, Tomohisa Okazaki, 秋田知樹, Takashi Nakagawa, Takao A. Yamamoto
RADIATION PHYSICS AND CHEMISTRY, 122巻 9-14頁 (2016)

Stability of the LiMn₂O₄ surface in a LiPF₆-based non-aqueous electrolyte studied by in-situ atomic force microscopy
橘田晃宜, 香山正憲
JAPANESE JOURNAL OF APPLIED PHYSICS, 55巻 6号 065801 (2016)

Na_xLi_0.7-xNi_1-yMn_yO₂ as a new positive electrode material for lithium-ion batteries
千葉一毅, 田口 昇, 鹿野昌弘, 栄部比夏里
JOURNAL OF POWER SOURCES, 311巻 103-110頁 (2016)

High-strength clad current collector for silicon-based negative electrode in lithium ion battery
片岡理樹, 織田喜光, 井上良二, 橘田晃宜, 清林 哲
JOURNAL OF POWER SOURCES, 301巻 355-361頁 (2016)

Design of a Sodium-ion Cell with a Carbon-free Li₄Ti₅O₁₂ Negative Electrode
橘田晃宜, 倉谷健太郎, 田渕光春, 片岡理樹, 清林 哲, 香山正憲
ELECTROCHEMISTRY, 83巻 11号 989-992頁 (2015)

走査型透過電子顕微鏡の電子エネルギー損失分光によるリチウム分布像（Lithium Distribution Maps by Scanning Transmission Electron Microscopy (STEM)-Electron Energy Loss Spectroscopy (EELS)）
秋田知樹, 田口 昇
Journal of the Vacuum Society of Japan, 58巻 10号 367-374頁 (2015)

Influence of the preparation methods on the electrochemical properties and structural changes of alpha-sodium iron oxide as a positive electrode material for rechargeable sodium batteries
片岡理樹, 倉谷健太郎, 橘田晃宜, 竹市信彦, 清林 哲, 田渕光春
ELECTROCHIMICA ACTA, 182巻 871-877頁 (2015)

Degradation Analysis of LiCoO₂ Positive Electrode Material of a Li-Ion Battery Using the Li K-Edge Signal Obtained from STEM-EELS Measurements
田口 昇, 栄部比夏里, 辰巳国昭, 秋田知樹
e-Journal of Surface Science and Nanotechnology, 13巻 284-288頁 (2015)

Toward Homogenization of Heterogeneous Metal Nanoparticle Catalysts with Enhanced Catalytic Performance: Soluble Porous Organic Cage as a Stabilizer and Homogenizer
Sun Jian-Ke, Zhan Wenwen, 秋田知樹, 徐 強
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137巻 22号 7063-7066頁 (2015)

Lithium analysis using Reflection EELS for Lithium compounds
田口 昇, 橘田晃宜, 栄部比夏里, 香山正憲, 秋田知樹
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 203巻 40-44頁 (2015)

Mn source effects on electrochemical properties of Fe -and Ni-substituted Li₂MnO₃ positive electrode material
田渕光春, 橘田晃宜, 蔭山博之, 渋谷英香, 今泉純一
JOURNAL OF POWER SOURCES, 279巻 510-516頁 (2015)

Spontaneous Li-Ion Transfer from Spinel Li₄Ti₅O₁₂ Surfaces: Deterioration at Li₄Ti₅O₁₂/Electrolyte Interfaces Stored at Room Temperature
橘田晃宜, 秋田知樹, 香山正憲
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 162巻 7号 A1272-A1275頁 (2015)

Low-temperature CO oxidation properties and TEM/STEM observation of Au/γ-Fe₂O₃ catalysts
秋田知樹, 前田 泰, 香山正憲
JOURNAL OF CATALYSIS, 324巻 127-132頁 (2015)

Radiochemical synthesis of a carbon-supported Pt-SnO₂ bicomponent nanostructure exhibiting enhanced catalysis of ethanol oxidation
Tomohisa Okazaki, Satoshi Seino, Takashi Nakagawa, Junichiro Kugai, Yuji Ohkubo, 秋田知樹, Hiroaki Nitani, Takao A. Yamamoto
RADIATION PHYSICS AND CHEMISTRY, 108巻 1-6頁 (2015)

Surfactant-free Pd nanoparticles immobilized to a metal-organic framework with size- and location- dependent catalytic selectivity
Arshad Aijaz, Zhu Qi-Long, 津森展子, 秋田知樹, 徐 強
CHEMICAL COMMUNICATIONS, 51巻 13号 2577-2580頁 (2015)

Oxygen Reduction Activity on a Nanosized Perovskite-Type Oxide Prepared by Polyvinyl Pyrrolidone Method
永井つかさ, 藤原直子, 橘田晃宜, 朝日将史, 山﨑眞一, 城間 純, 五百蔵勉
Journal of Fuel Cell Science and Technology, 12巻 2号 021007 (2015)

Visualization of the distribution of anatase and rutile TiO₂ crystals in Au/TiO₂ powder catalysts by STEM-EELS spectrum imaging
秋田知樹, 香山正憲
SURFACE AND INTERFACE ANALYSIS, 46巻 12-13号 1249-1252頁 (2014)

Li-vapor induction growth of single-crystalline Li₄Ti₅O₁₂ specimen for transmission electron microscopy
橘田晃宜, 秋田知樹, 前田 泰, 田中真悟, 香山正憲
SURFACE AND INTERFACE ANALYSIS, 46巻 12-13号 1245-1248頁 (2014)

High Activity of Gold/Tin-Dioxide Catalysts for Low-Temperature CO Oxidation: Application of a Reducible Metal Oxide to a Catalyst Support
前田 泰, 秋田知樹, 香山正憲
CATALYSIS LETTERS, 144巻 12号 2086-2090頁 (2014)

Electrochemical Properties of LiNi_1/3Co_1/3Mn_1/3O₂ Cathode Material Modified by Coating with Al₂O₃ Nanoparticles
荒木一浩, 田口 昇, 栄部比夏里, 辰巳国昭, 小久見善八
JOURNAL OF POWER SOURCES, 269巻 236-243頁 (2014)

Synergistic effects of Ni and Cu supported on TiO₂ and SiO₂ on photocatalytic H₂ evolution with an electron donor-acceptor linked molecule
Yusuke Yamada, Shinya Shikano ,秋田知樹, Shunichi Fukuzumi
CATALYSIS SCIENCE & TECHNOLOGY, 5巻 2号 979-988頁 (2015)

Irreversible structural change of a spinel Li₄Ti₅O₁₂ particle via Na insertion-extraction cycles of a sodium-ion battery
橘田晃宜, 倉谷健太郎, 田渕光春, 竹市信彦, 秋田知樹, 清林 哲, 香山正憲
ELECTROCHIMICA ACTA, 148巻 175-179頁 (2014)

Characterization of Surface of LiCoO₂ Modified by Zr Oxides Using Analytical Transmission Electron Microscopy
田口 昇, 栄部比夏里, 秋田知樹, 辰巳国昭, 小久見善八
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 161巻 10号 A1521-A1526頁 (2014)

True atomic-scale imaging of a spinel Li₄Ti₅O₁₂(111) surface in aqueous solution by frequency-modulation atomic force microscopy
橘田晃宜, 香山正憲, 大西 洋
APPLIED PHYSICS LETTERS, 105巻 11号 111606 (2014)

Preparation of microporous polymer-encapsulated Pd nanoparticles and their catalytic performance for hydrogenation and oxidation
石田玉青, Yuta Onuma, Kota Kinjo, Akiyuki Hamasaki, Hironori Ohashi, 本間徹生, 秋田知樹, Takushi Yokoyama, Makoto Tokunaga, 春田正毅
TETRAHEDRON, 70巻 36号 6150-6155頁 (2014)

COMPOSITE POSITIVE ELECTRODE BASED ON AMORPHOUS TITANIUM POLYSULFIDE FOR APPLICATION IN ALL-SOLID-STATE LITHIUM SECONDARY BATTERIES
作田 敦, 田口 昇, 竹内友成, 小林弘典, 栄部比夏里, 辰巳国昭, 小久見善八
SOLID STATE IONICS, 262巻 143-146頁 (2014)

Two-phase separation in a lithiated spinel Li₄Ti₅O₁₂ crystal as confirmed by electron energy-loss spectroscopy
橘田晃宜, 秋田知樹, 田中真悟, 香山正憲
JOURNAL OF POWER SOURCES, 257巻 120-125頁 (2014)

Atomic Force Microscopy on Phase-control Pulsed Force Mode in Water: Imaging and Force Analysis on a Rhodium-Octaethylporphyrin Layer on Highly Oriented Pyrolytic Graphite
前田 泰, 山﨑眞一, 香山正憲
APPLIED SURFACE SCIENCE, 305巻 111-116頁 (2014)

From ionic-liquid@metal-organic framework composites to heteroatom-decorated large-surface area carbons: superior CO₂ and H₂ uptake
Arshad Aijaz, 秋田知樹, Hui YANG, 徐 強
CHEMICAL COMMUNICATIONS, 50巻 49号 6498-6501頁 (2014)

Analytical transmission electron microscopy study for LiCoO₂ prepared by Pechini method
田口 昇, 秋田知樹, 栄部比夏里, 辰巳国昭, 小久見善八
AMTC Letters, 4巻 184-185頁 (2014)

Anisotropic formation of the lithiated / delithiated phase boundary in the spinel Li₄Ti₅O₁₂ crystal
橘田晃宜, 田中真悟, 秋田知樹, 香山正憲
AMTC Letters, 4巻 6-7頁 (2014)

Amorphous Niobium Sulfides as Novel Positive-Electrode Materials
作田 敦, 田口 昇, 竹内友成, 小林弘典, 栄部比夏里, 辰巳国昭, 小久見善八
ECS Electrochemistry Letters, 3巻 7号 A79-A81頁 (2014)

Preparation of a spinel LiMn₂O₄ single crystal film from a MnO wafer
橘田晃宜, 秋田知樹, 香山正憲
Journal of Power Sources, 232巻 7-11頁 (2013)

Generation of Oxygen Vacancies at a Au/TiO₂ Perimeter Interface during CO Oxidation Detected by in Situ Electrical Conductance Measurement
前田 泰, Y. Iizuka, 香山正憲
Journal of American Chemical Society, 135巻 2号 906-909頁 (2013)

Mechanism of Low-Temperature CO Oxidation on Pt/Fe-Containing Alumina Catalysts Pretreated with Water
冨田衷子, K. Shimizu, K. Kato, 秋田知樹, 多井 豊
Journal of Physical Chemistry C, 117巻 3号 1268-1277頁 (2013)

Characterization of Two Phase Distribution in Electrochemically-Lithiated Spinel Li₄Ti₅O₁₂ Secondary Particles by Electron Energy-Loss Spectroscopy
橘田晃宜, 秋田知樹, 田中真悟, 香山正憲
Journal of Power Sources, 237巻 26-32頁 (2013)

Preparation of a spinel Li₄Ti₅O₁₂ (111) surface from a rutile TiO₂ single crystal
橘田晃宜, 秋田知樹, 前田 泰, 香山正憲
Applied Surface Science, 258巻 7号 3147-3151頁 (2012)

Contact potential difference of Au/TiO₂(110) model catalysts measured by Kelvin prove force microscopy
前田 泰, 香山正憲
e-Journal of Surface Science and Nanotechnology, 10巻 59-62頁 (2012)

EELS characterization of Li-inserted spinel lithium titanate Li₄Ti₅O₁₂
橘田晃宜, 秋田知樹, 田中真悟, 香山正憲
AMTC Letters, 3巻 138-139頁 (2012)

Intrinsic Catalytic Structure of Gold Nanoparticles Supported on TiO₂
Y. Kuwauchi, H. Yoshida, 秋田知樹, 春田正毅, S. Takeda
Angewandte Chemie-International Edition, 51巻 31号 7719-7733頁 (2012)

Molybdenum oxide crystals encapsulated inside carbon nanotubes by heat treatment in air
R. Sagawa, W. Togashi, 秋田知樹, Y. Takai
Surface and Interface Analysis, 44巻 6号 797-800頁 (2012)

Study of Surface Reaction of Spinel Li₄Ti₅O₁₂ during the First Lithium Insertion and Extraction Processes using Atomic Force Microscopy and Analytical Transmission Electron Microscopy
橘田晃宜, 秋田知樹, 前田 泰, 香山正憲
Langmuir, 28巻 33号 12384-12392頁 (2012)

Base-Free Direct Oxidation of 1-Octanol to Octanoic Acid and its Octyl Ester over Supported Gold Catalysts
T. Ishida, Y. Ogihara, H. Ohashi, 秋田知樹, T. Honma, H.Oji, 春田正毅
ChemSusChem, 5巻 11号 2243-2248頁 (2012)

Support effects of metal oxides on gold-catalyzed one-pot N-alkylation of amine with alcohol
T. Ishida, R. Takamura, T. Takei, 秋田知樹, 春田正毅
Applied Catalysis A: General, 413-414巻 261-266頁 (2012)

Propene epoxidation with O₂ and H₂: Identification of the most active gold clusters
J. Huang, E. Lima, 秋田知樹, A. Guzmán, C. Qi, T. Takei. 春田正毅
Journal of Catalysis, 278巻 1号 8-15頁 (2011)

Sequential HAADF-STEM observation of structural changes in Au nanoparticles supported on CeO₂
秋田知樹, 田中真悟, 田中孝治, 春田正毅, 香山正憲
Journal of Materials Science, 46巻 4384-4391頁 (2011)

Facile synthesis and catalytic activity of MoS₂/TiO₂ by a photodeposition-based technique and its oxidized derivative MoO₃/TiO₂ with a unique photochromism
S. Kanda, 秋田知樹, M. Fujishima, H. Tada
Journal of Colloid and Interface Science, 354巻 2号 607-610頁 (2011)

Electronic d-band properties of gold nanoclusters grown on amorphous carbon
A. Visikovskiy, H. Matsumoto, K. Mitsuhara, T. Nakada, 秋田知樹, Y. Kido
Physical Review B, 83巻 16号 165428 (2011)

Participation of Oxygen in Charge/Discharge Reactions in Li_1.2Mn_0.4Fe_0.4O₂: Evidence of Removal/Reinsertion of Oxide Ions
J. Kikkawa, 秋田知樹, 田渕光春, 辰巳国昭, 香山正憲
Journal of the Electrochemical Society, 158巻 6号 A760-A768頁 (2011)

Imaging of transversal electron transfer through a DNA molecule by simultaneous scanning tunneling and frequency-modulation atomic force microscopy
前田 泰, T. Matsumoto, T. Kawai
ACS Nano, 5巻 4号 3141-3145頁 (2011)

Photodeposition of Ag₂S Quantum Dots and Application to Photoelectrochemical Cells for Hydrogen Production under Simulated Sunlight
K. Nagasuna, 秋田知樹, M. Fujishima, H. Tada
Langmuir, 27巻 11号 7294-7300頁 (2011)

Migration of Au nanoparticles on a TiO₂(110) surface in reactant gases observed by in-situ STM at elevated temperatures
前田 泰, 香山正憲
e-Journal of Surface Science and Nanotechnology, 9巻 234-236頁 (2011)

Switching of reactions between hydrogenation and epoxidation of propene over Au/Ti-based oxides in the presence of H₂ and O₂
C. Qi, J. Huang, S. Bao, H. Su, 秋田知樹, 春田正毅
Journal of Catalysis, 281巻 1号 12-20頁 (2011)

Size-Controlled Synthesis of Gold Clusters as Efficient Catalysts for Aerobic Oxidation
H. Tsunoyama, Y. Liu, 秋田知樹, N. Ichikuni, H. Sakurai, S. Xie, T. Tsukuda
Catalysis Surveys from Asia, 15巻 230-239頁 (2011)

Nanoparticle arrangement by DNA-programmed self-assembly for catalyst applications
前田 泰, 秋田知樹, 伊達正和, A. Takagi, T. Matsumoto, 藤谷忠博, 香山正憲
Jounal of Applied Physics, 108巻 094326 (2010)

Atomic and Electronic Structures of Li_0.44MnO₂ Nanowires and Li₂MnO₃ Byproducts in the Formation Process of LiMn₂O₄ Nanowires
J. Kikkawa, 秋田知樹, E. Hosono, Z. Haoshen, 香山正憲
Journal of Physical Chemistry C, 114巻 43号 18358-18365頁 (2010)

Multi-scale Observation of Micro/nano-structural Transition during Repetitive Hydrogen Absorption/desorption in Mg/Cu Super-laminates
田中孝治, 清林 哲, 竹市信彦, H. Shin, 竹下博之, 宮村 弘, S. Kikuchi
Proceedings of 17th International Microscopy Congress, M21.25頁 (2010)

TEM and STEM study of the Au nano-particles supported on cerium oxides
秋田知樹, 田中真悟, 田中孝治, 香山正憲
Materials Science Forum, 654-656巻 2362-2365頁 (2010)

Ultrafast Photodeposition of Size-Controlled PbS Quantum Dots on TiO₂
Y. Jin-nouchi, 秋田知樹, H. Tada
ChemPhysChem, 11巻 11号 2349-2352頁 (2010)

Sub-nano-Pt cluster supported on graphene nanosheets for CO tolerant catalysts in polymer electrolyte fuel cells
E. Yoo, T. Okada, 秋田知樹, 香山正憲, I. Honma, J. Nakamura
Journal of Power Sources, 196巻 1号 110-115頁 (2010)

Gold clusters supported on La(OH)₃ for CO oxidation at 193 K
T. Takei, I. Okuda, K. Bando, 秋田知樹, 春田正毅
Chemical Physics Letters, 493巻 4-6号 207-211頁 (2010)

Au(core)/Pd(shell) structures analyzed by high-resolution medium energy ion scattering
H. Matsumoto, K. Mitsuhara, A. Visikovskiy, 秋田知樹, H. Toshima, Y. Kido
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 268巻 13号 2281-2284頁 (2010)

Size Effect of Silica-supported Gold Clusters in the Microwave-assisted Oxidation of Benzyl Alcohol with H₂O₂
Y. Liu, H. Tsunoyama, 秋田知樹, T. Tsukuda
Chemistry Letters, 39巻 3号 159-161頁 (2010)

Micro/Nano-Structures and Hydrogen Absorption/Desorption Properties of Mg/Cu Super-Laminates
田中孝治, 清林 哲, 竹市信彦, 宮村 弘, S. Kikuchi
Materials Science Forum, 638-642巻 1143-1147頁 (2010)

Aerobic oxidation of glucose over gold nanoparticles deposited on cellulose
T. Ishida, H. Watanabe, T. Bebeko, 秋田知樹, 春田正毅
Applied Catalysis A: General, 377巻 1-2号 42-46頁 (2010)

Gold clusters supported on alkaline treated TS-1 for highly efficient propene epoxidation with O₂ and H₂
J. Huang, T. Takei, 秋田知樹, H. Ohashi, 春田正毅
Applied Catalysis B: Environmental, 95巻 3-4号 430-438頁 (2010)