Rchr
J-GLOBAL ID:202101005789665961   Update date: Jul. 03, 2024

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 (13):
  • 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
  • Chang Jiang, Makoto Tozawa, Kazutaka Akiyoshi, Tatsuya Kameyama, Takahisa Yamamoto, Genichi Motomura, Yoshihide Fujisaki, Taro Uematsu, Susumu Kuwabata, Tsukasa Torimoto. Development of Cu-In-Ga-S quantum dots with a narrow emission peak for red electroluminescence. The Journal of Chemical Physics. 2023. 158. 16. 164708
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MISC (10):
  • 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
  • Kazutaka Akiyoshi. Development of Photoelectrochemical Sensors and Near-infrared Photovoltaic Devices by using Plasmon Resonance. 2021. 3. 1-4
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Patents (3):
  • 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  (108):
  • Colloidal Synthesis of Bi-based Multinary Quantum Dots for the Application to Photovoltaics
    (International Workshop on Advanced Nanoscience and Nanomaterials 2024 (IWANN2024) 2024)
  • Controlling Electronic Energy Structure of Ternary Ag-Bi-S Quantum Dots for Improving Their Photoelectrochemical Properties
    (Taiwan International Conference on Catalysis 2024 (TICC 2024) 2024)
  • Liquid-phase synthesis of low-toxicity Ag<sub>8</sub>GeS<sub>6</sub> quantum dots with near-infrared emission and their application in bioimaging
    (The 6th Annual Meeting of the Quantum Life Science Society 2024)
  • Solution-Phase Synthesis and Composition-Dependent Optical Properties of Less-Toxic Multinary Ag-Mn-Sn-S Quantum Dots
    (245th ECS Meeting 2024)
  • Photocatalytic H<sub>2</sub> Evolution Activity of Anisotropic-Shaped ZnSe-AgInSe<sub>2</sub> Solid Solution Quantum Dots with a Near-IR-Responsivity
    (245th ECS Meeting 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 Ag<sub>8</sub>GeS<sub>6</sub> 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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