Akiyoshi Kazutaka

アキヨシカズタカ | Akiyoshi Kazutaka

Affiliation and department：

Research field (1)： Inorganic materials

Research keywords (6)： Compound Nanoparticles , Metal Nanoparticles , Quantum Dots , Ionic Liquid , Plasmonics , Photoelectrochemistry

Research theme for competitive and other funds (7)：

2024 - 2028 Cu系合金ナノ複合材料の開発と高活性なCO2還元光電極触媒への応用
2023 - 2026 Development of Chalcopyrite-type Semiconductor Nanoparticles Using Earth-Abundant Elements and Control of Their Optical Properties
2023 - 2024 Development of optical functional materials using semiconductor nanocrystals inspired by mineral structures
2023 - 2024 Development of multinary chalcohalide semiconductor quantum dots and application to near-infrared light energy conversion
2021 - 2023 ドーパント分布を制御したプラズモニック化合物ナノ粒子による新規光電変換素子の開発

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Papers (14)：

Wentao Zhang, Kazutaka Akiyoshi, Tatsuya Kameyama, Tsukasa Torimoto. Tailoring Energy Structure of Low-toxic Ternary Ag-Bi-S Quantum Dots through Solution-phase Synthesis for Quantum-Dot-Sensitized Solar Cells. ChemNanoMat. 2024. e202400029
Nurmanita RISMANINGSIH, Takayuki TAKIYAMA, Kazutaka AKIYOSHI, Tatsuya KAMEYAMA, Tsukasa TORIMOTO. Solution-phase Synthesis and Photoelectrochemical Properties of Ag₈SnSe₆ Quantum Dots with Different Sizes. Electrochemistry. 2024
Tatsuya Kameyama, Shuji Isogawa, Kazutaka Akiyoshi, Hiromu Kashida, Hiroyuki Asanuma, Tsukasa Torimoto. Photosensitization of TiO₂ electrodes immobilized with chiral plasmonic Au nanocolloids by circularly polarized light irradiation. The Journal of Chemical Physics. 2024. 160. 9. 094709
Kazutaka Akiyoshi, Yui Maeda, Naoko Yamaguchi, Tatsuya Kameyama, Yasuyuki Tsuboi, Hidemasa Yamane, Hajime Ishihara, Tsukasa Torimoto. Size- and Shape-Dependent Separation of Multinary Quantum Dots with Plasmonic Thin-Layer Chromatography. The Journal of Physical Chemistry C. 2023. 128. 2. 908-918
Makoto Tozawa, Chie Miyamae, Kazutaka Akiyoshi, Tatsuya Kameyama, Takahisa Yamamoto, Genichi Motomura, Yoshihide Fujisaki, Taro Uematsu, Susumu Kuwabata, Tsukasa Torimoto. One-pot synthesis of Ag-In-Ga-S nanocrystals embedded in a Ga₂O₃ matrix and enhancement of band-edge emission by Na⁺ doping. Nanoscale Advances. 2023. 5. 24. 7057-7066

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MISC (11)：

AKIYOSHI, Kazutaka, ZHANG, Wentao, KASUGA, Yumeno, KAMEYAMA, Tatsuya, TORIMOTO, Tsukasa. Solution-phase Syntheses and Controlling Energy Band Structure of Low-toxic Bi-based Multinary Metal Sulfide Quantum Dots. J-PVS e-News Letter. 2024. 3. 1. 14-15
Tsukasa Torimoto, Kazutaka Akiyoshi, Tatsuya Kameyama, Taro Uematsu, Susumu Kuawabata. 実用化が可能な低毒性量子ドットの化学合成と光機能材料としての応用. Photocatalysis. 2024. 73. 46-51
Tsukasa Torimoto, Kazutaka Akiyoshi, Tatsuya Kameyama, Taro Uematsu, Susumu Kuawabata. 発光特性の制御可能な多元量子ドットの合成とデバイス応用. Optical and electro-optical engineering contact. 2023. 61. 8. 11-19
Kazutaka Akiyoshi, Wentao Zhang, Tatsuya Kameyama, Tsukasa Torimoto. Solution-Phase Syntheses and Photochemical Properties of Silver Bismuth Sulfide Nanoparticles. ECS Meeting Abstracts. 2022
Development of Photoelectrochemical Sensing and Near-infrared Light to Energy Conversion by Localized Surface Plasmon Resonance of Plasmonic Nanoparticles. 2022. 53. 1. 33-36

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Patents (5)：

AgAuカルコゲン多元化合物からなる半導体ナノ粒子
AgTeS化合物を主成分とする半導体ナノ粒子
半導体ナノ粒子、半導体ナノ粒子の製造方法、及び発光体
半導体ナノ粒子及びその製造方法、並びにバンドギャップ制御方法
SEPARATOR AND SEPARATION METHOD OF STATIONARY PHASE MEMBER AND NANOSTRUCTURE

Books (1)：

現代化学2023年12月号
2023

Lectures and oral presentations (120)：

Preparation of Ag-Bi-Sb-S Solid Solution Quantum Dots and Their Optical Properties
(The 75th Divisional Meeting of Division of Colloid and Surface Chemistry 2024)
Synthesis of Hollow Pt Nanocages Enclosing Chiral Au Nanoparticles
(The 75th Divisional Meeting of Division of Colloid and Surface Chemistry 2024)
Solution-Phase Preparation of Cu3N Quantum Dots Using a Reactive Sputtering Technique
(The 75th Divisional Meeting of Division of Colloid and Surface Chemistry 2024)
Solution-phase Preparation of Cu-Ag-Ge-S Quantum Dots Exhibiting Near-IR Surface Plasmon Resonance
(The 75th Divisional Meeting of Division of Colloid and Surface Chemistry 2024)
Nanostructure-Controlled Synthesis of AgGaSe2 Quantum Dots for Enhanced Luminescence Properties
(Annual Meeting on Photochemistry 2024 2024)

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Education (4)：

2016 - 2019 The University of Tokyo The Graduate School of Engineering Department of Applied Chemistry
2014 - 2016 The University of Tokyo The Graduate School of Engineering Department of Applied Chemistry
2010 - 2014 Tokyo University of Science Faculty of Engineering Industrial Chemistry
2006 - 2009 Shiba High School

Professional career (1)：

Doctor of Philosophy in Engineering (The University of Tokyo)

Work history (5)：

2023/10 - 現在 Japan Science and Technology Agency ACT-X researcher
2023/04 - 現在 Nagoya University Torimoto Lab., Department of Materials Chemistry, Graduate School of Engineering Assistant Professor
2021/04 - 2023/03 Nagoya University Torimoto Lab., Department of Materials Chemistry, Graduate School of Engineering Designated Assistant Professor
2019/04 - 2021/03 Nagoya University Torimoto Lab., Department of Materials Chemistry, Graduate School of Engineering VBL Postdoctoral Researcher
2016/04 - 2019/03 The University of Tokyo Tetsu Tatsuma Group, Institute of Industrial Science JSPS Research Fellowship for Young Scientists DC1

Committee career (1)：

2024/03 - The 91st ECSJ Annual Meeting Executive Committee

Awards (13)：

2024/05 - Quantum Life Science Society Best Poster Presentation Award Liquid-phase synthesis of low-toxicity Ag8GeS6 quantum dots with near-infrared emission and their application in bioimaging
2023/10 - SEKISUI CHEMICAL CO. LTD Innovation inspired by Nature" Research Support Program, SEKISUI CHEMICAL CO. LTD Development of optical functional materials using semiconductor nanocrystals inspired by mineral structures
2022/11 - Research Center of Materials Backcasting Technology Certificate of Award for Encouragement of Research 2022
2022/11 - 33rd International Photovoltaic Science and Engineering Conference Poster Award (PVSEC-33) Controlling Energy Band Structure of Bismuth-based Multinary Quantum Dots Prepared by a Solution-phase Method and Their Photoelectrochemical Properties
2019/10 - Research Center for Materials Backcasting Technology Certificate of Award for Encouragement of Research 2019

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Association Membership(s) (8)：

Quantum Life Science Society , The Society of Nano Science and Technology , Plasmonic Chemistry , Division of Colloid and Surface Chemistry , The Japan Society of Applied Physics , The Japanese Photochemistry Association , The Electrochemical Society of Japan , The Chemical Society of Japan

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