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Synthesis of new aeschynite-type complex oxides consisting of titanate and niobate with optical functional properties using green processing

Research Project

Project/Area Number 17H03098
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Green/Environmental chemistry
Research InstitutionAichi Institute of Technology

Principal Investigator

Hirano Masanori  愛知工業大学, 工学部, 教授 (60267888)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Fiscal Year 2017: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Keywords希土類 / エシナイト / 水熱合成 / 蛍光 / アップコンバージョン / グリーンプロセス / 水 / 複合酸化物 / 無機塩 / ニオブ酸塩 / チタン酸塩 / 無機工業化学 / グリーンケミストリー
Outline of Final Research Achievements

Complex oxides consisting of various rare-earth oxides, titanium oxide, and niobium oxide, which can be synthesized at above 1200°C by heating in air using solid-state reaction, in general, have been crystallized from precursor solutions of inorganic metal salts under hydrothermal conditions at 200-240°C using green processing. They have been synthesized directly as aeschynite-type nano-sized crystals. Aeschynite-type nano-crystals doped with Er3+,Eu3+,and Dy3+ as activators and those co-doped with Er3+ and Yb3+ as a sensitizer have been prepared hydrothermally, and their properties such as crystalline phase, luminescence, and up-conversion luminescence have been investigated.

Academic Significance and Societal Importance of the Research Achievements

ユークセナイト型として知られている結晶が、水熱条件下では新たにエシナイト型として結晶化することを明らかにした。また希土類イオンのイオン半径とエシナイト相の相安定性・相転移挙動の関係および蛍光体としての性質、応用の可能性について調べまとめたことは意義がある。水熱合成されたエシナイト型結晶は均質性が高く多数の微量元素をドープしたナノ結晶の調製の観点からも意義がある。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (30 results)

All 2020 2019 2018 2017

All Journal Article (9 results) (of which Peer Reviewed: 8 results,  Open Access: 6 results) Presentation (21 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Synthesis, photoluminescence, and up-conversion luminescence of niobates co-doped with Er<sup>3+</sup> and Yb<sup>3+</sup>2020

    • Author(s)
      Masanori Hirano, Hiroyuki Iwata and Kouki Tanaka
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 128 Issue: 11 Pages: 866-874

    • DOI

      10.2109/jcersj2.20058

    • NAID

      130007934287

    • ISSN
      1348-6535, 1882-0743
    • Year and Date
      2020-11-01
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Hydrothermal synthesis of luminescent niobate thin rods2020

    • Author(s)
      Masanori Hirano, Tokifumi Iwata, Katsuyuki Komaki, Hiroyuki Iwata and Kouki Tanaka
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 128 Issue: 11 Pages: 875-882

    • DOI

      10.2109/jcersj2.20124

    • NAID

      130007934276

    • ISSN
      1348-6535, 1882-0743
    • Year and Date
      2020-11-01
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of processing conditions on crystallinity and luminescent characteristics of aeschynite-type complex oxide crystals doped with Dy<sup>3+</sup> and Eu<sup>3+</sup>2019

    • Author(s)
      Masanori Hirano, Ayana Oda, and Yuki Takagi
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 127 Issue: 8 Pages: 570-580

    • DOI

      10.2109/jcersj2.19090

    • NAID

      130007687085

    • ISSN
      1348-6535, 1882-0743
    • Year and Date
      2019-08-01
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Phase transition and luminescence properties of GdTiNbO6:Eu3+ formed by hydrothermal route2018

    • Author(s)
      Hirano Masanori, Takagi Yuki
    • Journal Title

      Materials Research Bulletin

      Volume: 105 Pages: 13-20

    • DOI

      10.1016/j.materresbull.2018.04.029

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 水溶液プロセスによる複合酸化物・固溶体・準安定相の合成2018

    • Author(s)
      平野正典
    • Journal Title

      セラミックス:Bulletin of the Ceramic Society of Japan

      Volume: 53 Pages: 714-717

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Synthesis, morphology, and luminescence of ZnNb2O6 nanocrystals by hydrothermal method2018

    • Author(s)
      Hirano Masanori、Okamoto Takaaki
    • Journal Title

      Nano-Structures & Nano-Objects

      Volume: 13 Pages: 139-145

    • DOI

      10.1016/j.nanoso.2015.11.001

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Formation and luminescence properties of GdTiNbO<sub>6</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup> through the hydrothermal route2018

    • Author(s)
      HIRANO Masanori、HARA Mitsuteru
    • Journal Title

      Journal of the Ceramic Society of Japan

      Volume: 126 Issue: 3 Pages: 178-183

    • DOI

      10.2109/jcersj2.17211

    • NAID

      130006407861

    • ISSN
      1348-6535, 1882-0743
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Concentration dependence of luminescence properties of GdNbO4 :Er3+/Yb3+ synthesized through hydrothermal route2017

    • Author(s)
      Hirano Masanori、Ishikawa Katsuya
    • Journal Title

      Journal of Alloys and Compounds

      Volume: 709 Pages: 64-71

    • DOI

      10.1016/j.jallcom.2017.03.127

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Hydrothermal formation and up-conversion luminescence of Er3+-doped GdNbO42017

    • Author(s)
      Hirano Masanori、Ishikawa Katsuya
    • Journal Title

      Journal of the American Ceramic Society

      Volume: 100 Issue: 7 Pages: 2814-2821

    • DOI

      10.1111/jace.14835

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] エシナイト型結晶微粒子の水熱合成とその性質2020

    • Author(s)
      佐野萌子, 平野正典
    • Organizer
      2020年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 水熱法による希土類を含有する複合酸化物結晶の合成とその特性2020

    • Author(s)
      平野雅侑, 平野正典
    • Organizer
      2020年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] チタン・タンタル酸塩結晶の調製とその性質2020

    • Author(s)
      浅田 大, 山口優香, 平野正典
    • Organizer
      2020年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 希土類を含むタングステン酸塩結晶の水熱合成2020

    • Author(s)
      田中凛, 平野正典
    • Organizer
      2020年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 希土類をドープしたニオブ酸塩結晶の水熱合成とその性質2020

    • Author(s)
      田中康暉,平野正典
    • Organizer
      第58回セラミックス基礎討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] エシナイト型複合酸化物の水熱法による調製とその性質2019

    • Author(s)
      平野 正典,櫻井 美希,牧野 弘秀
    • Organizer
      第35回希土類討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] ニオブ酸塩結晶の水熱合成およびその特性2019

    • Author(s)
      田中康暉,平野正典
    • Organizer
      2019年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 水熱法によるエシナイト型結晶微粒子の合成とその性質2019

    • Author(s)
      佐野萌子,平野正典
    • Organizer
      2019年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 希土類を含有する複合酸化物結晶の水熱結晶化とその特性2019

    • Author(s)
      平野雅侑,平野正典
    • Organizer
      2019年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 希土類・チタン・タンタルの複合酸化物の調製とその性質2019

    • Author(s)
      浅田 大,山口優香,平野正典
    • Organizer
      2019年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2019 Annual Research Report
  • [Presentation] エシナイト型複合酸化物結晶の水熱合成2019

    • Author(s)
      平野正典,櫻井美希
    • Organizer
      日本セラミックス協会2019年年会
    • Related Report
      2018 Annual Research Report
  • [Presentation] エシナイト型複合酸化物の水熱合成とその性質2018

    • Author(s)
      平野正典,髙木祐樹
    • Organizer
      日本希土類学会第34回討論会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Hydrothermal Formation and Characteristics of Complex Oxide Co-Doped with Er3+/Yb3+ in the Gd2O3-TiO2-Nb2O5 System2018

    • Author(s)
      Hirano Masanori, Mitsuteru Hara
    • Organizer
      The 6th International Conference on the Characterization and Control of Interfaces for High Quality Advanced Materials (ICCCI2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Hydrothermal synthesis of several complex oxides based on niobium oxide2018

    • Author(s)
      Hirano Masanori, Okamoto Takaaki, Dozono Hayato, Hara Mitsuteru
    • Organizer
      The 6th International Solvothermal and Hydrothermal Association Conference (ISHA2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 水熱法によるエシナイト型微細結晶の調製2018

    • Author(s)
      平野正典,髙木祐樹
    • Organizer
      日本セラミックス協会第31回秋季シンポジウ
    • Related Report
      2018 Annual Research Report
  • [Presentation] 水熱法による希土類、チタン、タンタルの複合酸化物の合成2018

    • Author(s)
      牧野弘秀,平野正典
    • Organizer
      平成30年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 水熱法によるニオブ酸塩固溶体の調製とその発光特性2018

    • Author(s)
      田中康暉,岩田時歩,平野正典
    • Organizer
      平成30年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Gd, Ti, Nbの複合酸化物結晶の水熱合成2018

    • Author(s)
      平野正典、高木祐樹
    • Organizer
      日本セラミックス協会2018年会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 水熱法によるエシナイト型複合酸化物結晶の調製とその性質2017

    • Author(s)
      平野正典、佐藤信吾
    • Organizer
      日本希土類学会第33回討論会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 水熱法によるニオブ、チタン、希土類の複合酸化物結晶の合成2017

    • Author(s)
      高木祐樹、平野正典
    • Organizer
      平成29年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2017 Annual Research Report
  • [Presentation] タングステン酸塩およびニオブ酸塩系結晶微粒子の水熱合成2017

    • Author(s)
      牧野弘秀、平野正典
    • Organizer
      平成29年度日本セラミックス協会東海支部学術研究発表会
    • Related Report
      2017 Annual Research Report

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Published: 2017-04-28   Modified: 2022-01-27  

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