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Artificial photosynthesis technology using highly mismatched alloys

Research Project

Project/Area Number 18K19046
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields
Research InstitutionSaga University

Principal Investigator

Tanaka Tooru  佐賀大学, 理工学部, 教授 (20325591)

Co-Investigator(Kenkyū-buntansha) 齊藤 勝彦  佐賀大学, シンクロトロン光応用研究センター, 助教 (40380795)
郭 其新  佐賀大学, シンクロトロン光応用研究センター, 教授 (60243995)
Project Period (FY) 2018-06-29 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords高不整合材料 / 人工光合成 / マルチバンドギャップ半導体
Outline of Final Research Achievements

Artificial photosynthesis, which uses sunlight and water to generate hydrogen, is expected to be a next-generation energy creation technology that can be stored inexhaustibly while reducing greenhouse gases such as carbon dioxide. In this research, we focused on ZnTeO, a highly mismatched semiconductor alloy material that enables unique band engineering by band anti-crossing interaction, unlike conventional semiconductor alloys, and aimed to realize an energy band suitable for hydrogen generation, thereby opening up a new and unprecedented artificial photosynthesis system. As a result, the pn heterojunction structure suitable for hydrogen generation was clarified for ZnTeO. Also, hydrogen generation using ZnTeO was demonstrated, and the relationship between the amount of hydrogen generated and the reaction time was clarified.

Academic Significance and Societal Importance of the Research Achievements

低炭素社会の実現に向けて,莫大なエネルギーを有する太陽光と水を用いた水素発生は貯蔵可能なエネルギーの創出技術として注目を集めている。効率向上のためには太陽光に多く含まれる可視光を有効利用することが重要である。本研究では,従来の半導体混晶と異なりバンド反交差作用によるユニークなバンドエンジニアリングが可能な高不整合半導体材料ZnTeOに着目し,水素発生に適した特性が得られる構造,条件などについて検討を行った。本研究により初めて本材料で水素発生を実証することができ,また,種々の重要な基礎的知見を得ることができた。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (54 results)

All 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (9 results) Journal Article (8 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 8 results) Presentation (35 results) (of which Int'l Joint Research: 17 results,  Invited: 1 results) Remarks (2 results)

  • [Int'l Joint Research] Lawrence Berkeley National Laboratory/University of California at Berkeley(米国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] 香港城市大学(中国)

    • Related Report
      2021 Annual Research Report
  • [Int'l Joint Research] Lawrence Berkeley National Laboratory/University of California at Berkeley(米国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] 香港城市大学(中国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] Lawrence Berkeley National Laboratory/University of California at Berkeley(米国)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] Wroclaw Univ. of Science and Technology(ポーランド)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] 香港城市大学(中国)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] Lawrence Berkeley National Laboratory/University of California at Berkeley(米国)

    • Related Report
      2018 Research-status Report
  • [Int'l Joint Research] City University of Hong Kong(香港)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Effects of Al doping on the structural, electrical, and optical properties of rock-salt ZnCdO thin films grown by molecular beam epitaxy2022

    • Author(s)
      Jang HyoChang、Saito Katsuhiko、Guo Qixin、Yu Kin Man、Tanaka Tooru
    • Journal Title

      Journal of Physics and Chemistry of Solids

      Volume: 163 Pages: 110571-110571

    • DOI

      10.1016/j.jpcs.2021.110571

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Structural, optical, and electrical properties of WZ- and RS-ZnCdO thin films on MgO (100) substrate by molecular beam epitaxy2021

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz, Tooru Tanaka
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 867 Pages: 159033-159033

    • DOI

      10.1016/j.jallcom.2021.159033

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Effect of oxygen flow rate on properties of Cu4O3 thin films fabricated by radio frequency magnetron sputtering2020

    • Author(s)
      Patwary Md Abdul Majed、Ho Chun Yuen、Saito Katsuhiko、Guo Qixin、Yu Kin Man、Walukiewicz Wladek、Tanaka Tooru
    • Journal Title

      Journal of Applied Physics

      Volume: 127 Issue: 8 Pages: 085302-085302

    • DOI

      10.1063/1.5144205

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Realization of rocksalt Zn1-xCdxO thin films with an optical band gap above 3.0 eV by molecular beam epitaxy2020

    • Author(s)
      Jang Hyo Chang、Saito Katsuhiko、Guo Qixin、Yu Kin Man、Walukiewicz Wladek、Tanaka Tooru
    • Journal Title

      CrystEngComm

      Volume: - Issue: 16 Pages: 2781-2787

    • DOI

      10.1039/c9ce02018g

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Influence of oxygen flow rate and substrate positions on properties of Cu-oxide thin films fabricated by radio frequency magnetron sputtering using pure Cu target2019

    • Author(s)
      Patwary Md Abdul Majed、Saito Katsuhiko、Guo Qixin、Tanaka Tooru
    • Journal Title

      Thin Solid Films

      Volume: 675 Pages: 59-65

    • DOI

      10.1016/j.tsf.2019.02.026

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Cl-doping effect in ZnTe1-xOx highly mismatched alloys for intermediate band solar cells2019

    • Author(s)
      Tanaka Tooru、Matsuo Kento、Saito Katsuhiko、Guo Qixin、Tayagaki Takeshi、Yu Kin Man、Walukiewicz Wladek
    • Journal Title

      Journal of Applied Physics

      Volume: 125 Issue: 24 Pages: 243109-243109

    • DOI

      10.1063/1.5092553

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Effects of the host conduction band energy on the electronic band structure of ZnCdTeO dilute oxide alloys2019

    • Author(s)
      Welna M.、Janicki、Linhart W. M.、Tanaka T.、Yu K. M.、Kudrawiec R.、Walukiewicz W.
    • Journal Title

      Journal of Applied Physics

      Volume: 126 Issue: 8 Pages: 083106-083106

    • DOI

      10.1063/1.5111600

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Nitrogen Doping Effect in Cu4O3 Thin Films Fabricated by Radio Frequency Magnetron Sputtering2019

    • Author(s)
      Patwary Md Abdul Majed、Saito Katsuhiko、Guo Qixin、Tanaka Tooru、Man Yu Kin、Walukiewicz Wladek
    • Journal Title

      physica status solidi (b)

      Volume: 257 Issue: 2 Pages: 1900363-1900363

    • DOI

      10.1002/pssb.201900363

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Growth and characterization of phosphorus-doped ZnTe thin films by MBE2022

    • Author(s)
      Muhamad Mustofa, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      2022年第69回応用物理学会春季学術講演会, 青山学院大学+オンライン, 2022年3月25日, 25p-D113-2.
    • Related Report
      2021 Annual Research Report
  • [Presentation] 分子線エピタキシー成長による ZnTe 光電極を用いた 水の還元反応の評価2022

    • Author(s)
      堤 龍介, 斎藤 勝彦, 郭 其新, 池田 茂, 田中 徹
    • Organizer
      2022年第69回応用物理学会春季学術講演会, 青山学院大学+オンライン, 2022年3月23日, 23p-E106-2.
    • Related Report
      2021 Annual Research Report
  • [Presentation] Growth of phosphorus-doped ZnTe thin films using InP dopant sources by MBE2021

    • Author(s)
      Muhamad Mustofa, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      The 6th Asian Applied Physics Conference (Asian-APC), 4 December, 2021, Online, 4Dp-2.
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Growth and characterization of Al-doped and undoped Zn1-xCdxO by molecular beam epitaxy under high oxygen flow rate2021

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      The 6th Asian Applied Physics Conference (Asian-APC), 4 December, 2021, Online, 4Ep-6
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 分子線エピタキシー法による光触媒応用を目指したZnTe薄膜の成長と光電気化学特性の評価2021

    • Author(s)
      堤龍介,吉永智大,齊藤勝彦,郭其新,池田茂,田中徹
    • Organizer
      2021年度応用物理学会九州支部学術講演会, オンライン, 2021年12月4日, 4Bp-13
    • Related Report
      2021 Annual Research Report
  • [Presentation] 太陽光水素生成のためのZnTe薄膜の作製と光電気化学特性の評価2021

    • Author(s)
      園山 天暉,堤 龍介,齊藤 勝彦,池田 茂,郭 其新,田中 徹,
    • Organizer
      第12回半導体材料・デバイスフォーラム, オンライン, 2021年12月11日, O-8.
    • Related Report
      2021 Annual Research Report
  • [Presentation] Influence of oxygen flow rate during the growth of Al-doped ZnCdO thin films by MBE2021

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      2021年第68回応用物理学会春季学術講演会, オンライン, 2021年3月16日, 16a-Z24-1.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Growth of low resistive Al-doped ZnCdO thin films with rocksalt structure for Transparent Conductive Oxide2020

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka, Kin Man Yu, Wladek Walukiewicz
    • Organizer
      47th IEEE Photovoltaic Specialist Conference, Virtual Meeting, June 15-August 21, 2020.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 分子線エピタキシー法を用いた光触媒応用に向けたZnTe1-xOx薄膜の作製と評価2020

    • Author(s)
      吉永 智大, 齊藤 勝彦, 郭 其新, 池田 茂, 田中 徹
    • Organizer
      2020年第81回応用物理学会秋季学術講演会, 2020年9月9日, オンライン, 9a-Z01-3.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 分子線エピタキシー法によるPドープZnTe薄膜のアニール効果2020

    • Author(s)
      三島 聖也, 齊藤 勝彦, 郭 其新, 山根 啓輔, 若原 昭浩, 田中 徹
    • Organizer
      第17回「次世代の太陽光発電システム」シンポジウム, 2020年10月15日, オンライン, PD-22.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] MBE法を用いて成長したPドープZnTe薄膜のアニール効果2020

    • Author(s)
      三島 聖也, 齊藤 勝彦, 郭 其新, 田中 徹
    • Organizer
      2020年度応用物理学会九州支部学術講演会, オンライン, 2020年11月29日, 29Ba-2.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] IMPACT OF O2 FLOW ON PROPERTIES OF CU4O3 THIN FILMS FABRICATED BY RF SPUTTERING2020

    • Author(s)
      Md Abdul Majed Patwary, Chun Yuen Ho, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz, Tooru Tanaka
    • Organizer
      30th International Photovoltaic Science and Engineering Conference (PVSEC-30) & Global Photovoltaic Conference 2020 (GPVC 2020), November 8-13, 2020, Jeju, Korea (Hybrid), T6-03-OP-5.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] HIGH TRNASMITTANCE TRANSPARENT CONDUCTIVE OXIDES OF ROCKSALT-AL-DOPED ZNCDO FOR FULL SPECTRUM SOLAR CELLS2020

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Kin Man Yu, Wladek Walukiewicz, and Tooru Tanaka
    • Organizer
      30th International Photovoltaic Science and Engineering Conference (PVSEC-30) & Global Photovoltaic Conference 2020 (GPVC 2020), November 8-13, 2020, Jeju, Korea (Hybrid), P2-T6-28.
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Intermediate band solar cells based on highly mismatched II-VI oxide semiconductors (Invited)2020

    • Author(s)
      Tooru Tanaka, Katsuhiko Saito, Qixin Guo, Kin Man Yu, and Wladek Walukiewicz
    • Organizer
      SPIE Photonics West 2020, 1 - 6 February 2020, San Francisco, 11281-60.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 分子線エピタキシー法による光触媒応用を目指したZnO1-xTex薄膜の成長2020

    • Author(s)
      吉永 智大, 齊藤 勝彦, 郭 其新, 池田 茂, 田中 徹
    • Organizer
      2020年第67回応用物理学会春季学術講演会, 上智大学, 2020年3月13日, 13a-D215-3
    • Related Report
      2019 Research-status Report
  • [Presentation] Improved properties of low-resistive Al-doped ZnCdO thin films by MBE.2020

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      2020年第67回応用物理学会春季学術講演会, 上智大学, 2020年3月13日, 13a-D215-2
    • Related Report
      2019 Research-status Report
  • [Presentation] Demonstration of Low-Resistive P-Type Cu4O3 Thin Films by Radio Frequency Sputtering for Low-Cost Thin Film Solar Cells2019

    • Author(s)
      Md Abdul Majed Patwary, Katsuhiko Saito, Qixin Guo, Tooru Tanaka, Kin Man Yu, and Wladek Walukiewicz,
    • Organizer
      2019-edition of Compound Semiconductor Week, 46th International Symposium on Compound Semiconductors, Nara, May 23, 2019, ThC1-5.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] MBE growth and characterization of Cl-doped ZnCdTeO layers for intermediate band solar cells2019

    • Author(s)
      Y. Watanabe, T. Izumi, K. Saito, Q. Guo, T. Tanaka, K. M. Yu, and W.Walukiewicz
    • Organizer
      The 19th International Conference on II-VI Compounds and Related Materials, P-35, October 27-31, 2019, Zhengzhou, China.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of nitrogen doping on properties of Cu4O3 thin films fabricated by radio frequency magnetron sputtering for low-cost solar cells.2019

    • Author(s)
      Md Abdul Majed Patwary, Katsuhiko Saito, Qixin Guo, Tooru Tanaka, Kin Man Yu, Wladek Walukiewicz
    • Organizer
      The 4th Asian Applied Physics Conference (Asian-APC), 23 November, 2019, Kumamoto, 23Ep-1.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Influence of oxygen flow rate on properties of Al-doped ZnCdO thin films grown by radicalsource molecular beam epitaxy2019

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      The 4th Asian Applied Physics Conference (Asian-APC), 23 November, 2019, Kumamoto, 23Ep-5.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Growth and characterization RS-ZnCdO thin films on MgO(100) substrates by molecular beam epitaxy2019

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka, Kin Man Yu, Wladek Walukiewicz
    • Organizer
      Materials Research Meeting 2019, December 10-14, 2019, Yokohama.
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Growth and characterization of ZnCdO thin films on MgO(100) substrates by MBE.2019

    • Author(s)
      HyoChang Jang, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      第16回「次世代の太陽光発電システム」シンポジウム, 宮崎, 2019年7月4日, PE-24.
    • Related Report
      2019 Research-status Report
  • [Presentation] MBE法によるClドープZnCdTeO薄膜の成長と評価2019

    • Author(s)
      渡辺 裕介, 泉 健夫, 福山 耕平, 齊藤 勝彦, 郭 其新, 田中 徹
    • Organizer
      第16回「次世代の太陽光発電システム」シンポジウム, 宮崎, 2019年7月4日, PE-25
    • Related Report
      2019 Research-status Report
  • [Presentation] 分子線エピタキシー法を用いたGaAs(110)基板上へのZnSe薄膜成長2019

    • Author(s)
      福山 耕平, 田中 徹, 斉藤 勝彦, 郭 其新
    • Organizer
      2019年第80回応用物理学会秋季学術講演会, 18a-E206-1, 北海道大学, 2019年9月18日.
    • Related Report
      2019 Research-status Report
  • [Presentation] 分子線エピタキシー法によるZnOTe薄膜の作製と評価2019

    • Author(s)
      吉永 智大, 齊藤 勝彦, 郭 其新, 池田 茂, 田中 徹
    • Organizer
      2019年度応用物理学会九州支部学術講演会, 熊本大学, 2019年11月23日, 23Cp-10.
    • Related Report
      2019 Research-status Report
  • [Presentation] GaAs(110)面上へのZnSe 薄膜のMBE成長2019

    • Author(s)
      福山耕平, 齊藤勝彦, 郭其新, 田中徹
    • Organizer
      2019年度応用物理学会九州支部学術講演会, 熊本大学, 2019年11月23日, 23Cp-11.
    • Related Report
      2019 Research-status Report
  • [Presentation] InPをドーパント源に用いたPドープZnTe薄膜のアニール効果2019

    • Author(s)
      三島 聖也,齊藤 勝彦, 郭 其新, 山根 啓輔, 若原 昭浩, 田中徹
    • Organizer
      第4回フロンティア太陽電池セミナー, 広島市, 2019年11月25日, P4.
    • Related Report
      2019 Research-status Report
  • [Presentation] Growth of Al-doped ZnCdO thin films on MgO substrates by molecular beam epitaxy2019

    • Author(s)
      HyoChang Jang, Kento Matsuo, Katsuhiko Saito, Qixin Guo, Tooru Tanaka
    • Organizer
      2019年第66回応用物理学会春季学術講演会, 東京工業大学, 平成31年3月10日, 10a-W922-5
    • Related Report
      2018 Research-status Report
  • [Presentation] MBE によるCl ドープZnCdTeO 層の膜特性の組成依存性2019

    • Author(s)
      渡辺 裕介, 峯 拓郎, 松尾 健斗, 齊藤 勝彦, 郭 其新, 田中 徹
    • Organizer
      2019年第66回応用物理学会春季学術講演会, 東京工業大学, 平成31年3月10日, 10a-W922-6
    • Related Report
      2018 Research-status Report
  • [Presentation] InPをドーパント源に用いたPドープZnTe薄膜のMBE成長2019

    • Author(s)
      三島 聖也, 松尾 健斗, 齊藤 勝彦, 郭 其新, 山根啓輔, 若原 昭浩, 田中 徹
    • Organizer
      2019年第66回応用物理学会春季学術講演会, 東京工業大学, 平成31年3月10日, 10a-W922-7
    • Related Report
      2018 Research-status Report
  • [Presentation] Growth of P-doped ZnTe epilayers on ZnTe substrates by molecular beam epitaxy2018

    • Author(s)
      K. Matsuo, Y. Watanabe, T. Tanaka, K. Saito, Y. Nose, Q. Guo, K. M. Yu, and W. Walukiewicz
    • Organizer
      20th International Conference on Molecular Beam Epitaxy, September 4, 2018, Shanghai, China, Tu-P-20.
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] MBE 法により成長したCl ドープZnCdTeO 薄膜の特性評価2018

    • Author(s)
      渡辺 裕介, 松尾 健斗, 田中 徹, 齊藤 勝彦, 郭 其新
    • Organizer
      2018年第79回応用物理学会秋季学術講演会, 21p-431B-2, 名古屋国際会議場, 2018年9月21日.
    • Related Report
      2018 Research-status Report
  • [Presentation] 分子線エピタキシー法を用いたGaAs(100)基板上へのZnSe 薄膜成長2018

    • Author(s)
      福山 耕平, 松尾 健斗, 田中 徹, 斉藤 勝彦, 郭 其新
    • Organizer
      平成30年度応用物理学会九州支部学術講演会, 福岡大学, 平成30年12月8日, 8Ca-1
    • Related Report
      2018 Research-status Report
  • [Presentation] 分子線エピタキシー法によるP ドープZnTe 薄膜の成長と評価2018

    • Author(s)
      松尾健斗, 渡辺裕介, 田中徹, 齊藤勝彦, 郭其新
    • Organizer
      平成30年度応用物理学会九州支部学術講演会, 福岡大学, 平成30年12月8日, 8Ca-2
    • Related Report
      2018 Research-status Report
  • [Presentation] Characterization of Al-doped ZnCdO thin films on MgO substrates by molecular beam epitaxy2018

    • Author(s)
      HyoChang Jang, Kento Matsuo, Tooru Tanaka, Katsuhiko Saito and Qixin Guo
    • Organizer
      The 3rd Asian Applied Physics Conference (Asian-APC), 8 December, 2018, Fukuoka, 8Po-5.
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Remarks] 佐賀大学光半導体研究室

    • URL

      http://www.sc.ec.saga-u.ac.jp/

    • Related Report
      2021 Annual Research Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] 佐賀大学理工学部電気電子工学科 光半導体研究室

    • URL

      http://www.sc.ec.saga-u.ac.jp/

    • Related Report
      2018 Research-status Report

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Published: 2018-07-25   Modified: 2023-01-30  

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