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Effective surface design for highly-luminescent and water-dispersible metal halide perovskite nanocrystals

Research Project

Project/Area Number 21K14706
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related
Research InstitutionUniversity of Yamanashi (2022)
Tokyo University of Science (2021)

Principal Investigator

Saito Norio  山梨大学, 大学院総合研究部, 助教 (20822456)

Project Period (FY) 2021-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2022: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsペロブスカイト / ナノ結晶 / ハロゲン化物 / 配位子 / 耐水性 / 発光 / ペロブスイカイト / ジェミニ型 / ナノ蛍光体 / エマルション / 水分散
Outline of Research at the Start

ハロゲン化鉛ペロブスカイトナノ結晶は、次世代の光電子材料として多くの研究者の関心を集めており、そのポテンシャルを引き出す表面設計は喫緊の課題である。本研究は、複数の配位子をスペーサーで連結し表面保護能と吸着能を向上させたジェミニ型やオリゴメリック型配位子をナノ結晶表面に適用し、既存組成を凌駕する発光特性と分散安定性を実現する。また、O/Wエマルションを介してナノ結晶表面を高親水性な界面活性剤で被覆し、表面保護と親水化を両立させることで、水中での安定分散を達成する。発光・分散性・耐水性に優れたナノ結晶表面の化学構造を解明すると共に、スプレー塗布やデバイス応用に適した新規ナノ蛍光インクを創製する。

Outline of Final Research Achievements

The aim of this study is to synthesize lead halide perovskite CsPbBr3 nanocrystals (NCs) passivated with a cationic oligomeric ligand and to clarify the relationship between its molecular structure, dispersion and emission properties, and stability against polar solvents. The oligomeric ligands exhibited luminescence properties and dispersion stability comparable to those of the existing ligand such as dimethyldidodecylammonium bromide and significantly higher water-durability than the existing ligands. The surface adsorption structure of the oligomeric ligand and the characteristic water- and ligand-mediated crystalline phase change were identified as the factors responsible for the improved water-durability. Furthermore, a new surface modification process via oil-in-water emulsions was developed as a new surface modification method for both surface protection and hydrophilization of the perovskite NCs.

Academic Significance and Societal Importance of the Research Achievements

ペロブスカイトナノ結晶は、その特徴的な光電子特性から次世代の機能性材料と期待されているものの、化学安定性の低さが課題である。本研究を通じて、ペロブスカイトナノ結晶の表面状態の制御に基づき、その分散安定性、発光特性や化学耐久性を大幅に向上できること、水やアルコールなどの極性溶媒中でも安定分散し、光電子特性を長時間維持できることを明らかにした。本研究で培った手法は、発光デバイスや太陽電池、触媒開発などに適用することができ、ペロブスカイトナノ結晶の新たな応用展開を拓くと期待される。今後はこれらの応用に向けた検討を行い、環境エネルギー問題の解決に資する革新的マテリアル創出に関する研究を展開する。

Report

(3 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • Research Products

    (20 results)

All 2023 2022 2021

All Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 9 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Journal Article] Synthesis and Optical Properties of Water-Durable Lead Halide Perovskite Nanocrystals2023

    • Author(s)
      Norio Saito
    • Journal Title

      Journal of the Japan Society of Colour Material

      Volume: 96 Issue: 4 Pages: 141-146

    • DOI

      10.4011/shikizai.96.141

    • ISSN
      0010-180X, 1883-2199
    • Year and Date
      2023-04-20
    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Enhanced luminescence and dispersion stability of lead halide perovskite nanocrystals by surface modification via O/W emulsion2022

    • Author(s)
      Di Lu, Akihiro Urayama, Norio Saito
    • Journal Title

      Colloids and Surfaces A: Physicochemical and Engineering Aspects

      Volume: 648 Pages: 129345-129345

    • DOI

      10.1016/j.colsurfa.2022.129345

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis and Optical/Electronic Properties of Imitation-copper Crystals Based on Low-molecular Azobenzene Derivatives2022

    • Author(s)
      K. Onodera, N. Saito, Y. Kondo
    • Journal Title

      Chemistry Letters

      Volume: 51 Issue: 4 Pages: 485-488

    • DOI

      10.1246/cl.220031

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Water-durable cesium lead halide perovskite nanocrystals passivated with a cationic gemini surfactant2022

    • Author(s)
      Norio Saito, Akihiro Urayama, Motoki Ikezawa, Yukishige Kondo
    • Journal Title

      Advanced Materials Interfaces

      Volume: 9 Issue: 5 Pages: 21018361-8

    • DOI

      10.1002/admi.202101836

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Reentrant structural and optical properties of organic-inorganic hybrid metal cluster compound ((n-C4H9)4N)2[Mo6Bri8Bra6]2022

    • Author(s)
      Norio Saito, Daiki Nishiyama, Yoshitaka Matsushita, Yoshiki Wada, Stephane Cordier, Takeo Ohsawa, Fabien Grasset, Naoki Ohashi
    • Journal Title

      CrystEngComm

      Volume: 24 Issue: 3 Pages: 465-470

    • DOI

      10.1039/d1ce01033f

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Alq3分子間相互作用の制御による新たな光物性2022

    • Author(s)
      Yanni Zhou, Norio Saito, Wanyu Shi, Yadong Chai, Yuri Kurakami, Motohiro Tagaya
    • Journal Title

      材料の科学と工学

      Volume: 59 Pages: 18-24

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Fluorescence and biological stabilization of phosphorus-functionalized mesoporous silica nanospheres modified with a bis(8-hydroxyquinoline) zinc complex2021

    • Author(s)
      Saito Norio、Noda Daichi、Shang Yucheng、Yamada Shota、Tagaya Motohiro
    • Journal Title

      Materials Advances

      Volume: 2 Issue: 19 Pages: 6278-6282

    • DOI

      10.1039/d1ma00636c

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 結晶化学を用いた八面体型メタルクラスター化合物の光学機能化2021

    • Author(s)
      齋藤典生
    • Journal Title

      Colloid & Interface Communication

      Volume: 46 Pages: 23-25

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] 光応答性ハイブリッド界面活性剤の合成と溶液物性の探索2021

    • Author(s)
      齋藤典生
    • Journal Title

      Japanese Society of Colour Material

      Volume: 94 Pages: 196-201

    • NAID

      130008068220

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] 光・電気刺激に応答する分子集合体2021

    • Author(s)
      齋藤典生, 近藤行成
    • Journal Title

      理大科学フォーラム

      Volume: 424 Pages: 3-5

    • Related Report
      2021 Research-status Report
  • [Presentation] 有機無機ペロブスカイト/多孔性金属錯体複合体の合成とその構造物性2023

    • Author(s)
      齋藤 典生, 武井 貴弘, 熊田 伸弘
    • Organizer
      日本セラミックス協会2023年年会
    • Related Report
      2022 Annual Research Report
  • [Presentation] カチオン性オリゴメリック型配位子修飾ハロゲン化鉛ペロブスカイトナノ結晶の発光特性と表面化学状態2022

    • Author(s)
      齋藤 典生, 浦山 章紘, 武井 貴弘, 熊田 伸弘
    • Organizer
      日本セラミックス協会第35回秋季シンポジウム
    • Related Report
      2022 Annual Research Report
  • [Presentation] CsPbX3 (X = Cl, Br, I)ナノ結晶の配位子が表面化学状態に与える影響2022

    • Author(s)
      浦山章紘, 近藤行成, 齋藤典生
    • Organizer
      第73回コロイドおよび界面化学討論会
    • Related Report
      2022 Annual Research Report
  • [Presentation] オリゴメリック型配位子を修飾したCsPbX3 (X = Cl, Br, I)ナノ結晶の作製と表面状態分析2022

    • Author(s)
      浦山章紘, 近藤行成, 齋藤典生
    • Organizer
      第12回CSJ化学フェスタ2022
    • Related Report
      2022 Annual Research Report
  • [Presentation] 刺激応答性発光ゲルの創製に向けたフッ素系配位子の分子設計と特性評価2022

    • Author(s)
      浦山章紘, 近藤行成, 齋藤典生
    • Organizer
      第12回CSJ化学フェスタ2022
    • Related Report
      2022 Annual Research Report
  • [Presentation] Surface chemistry of colloidal lead halide perovskite nanocrystals for enhanced stability and dispersibility in polar solvents and water2022

    • Author(s)
      Norio Saito
    • Organizer
      Japan Society of Colour Material 95th Anniversary Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Crystallographic and optical studies on impurity-reduced octahedral molybdenum cluster compounds2021

    • Author(s)
      Norio Saito, Yoshitaka Matsushita, Yoshiki Wada, Pierric Lemoine, Stephane Cordier, Takeo Ohsawa, Fabien Grasset, Naoki Ohashi
    • Organizer
      Materials Research Meeting 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 油化学的手法を用いたハロゲン化金属ペロブスカイトナノ結晶の耐水性向上と水への安定分散2021

    • Author(s)
      齋藤典生
    • Organizer
      第41回電子材料討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] ジェミニ型界面活性剤を修飾したCsPbBr3ナノ結晶の発光特性と化学耐久性2021

    • Author(s)
      浦山章紘, 齋藤典生, 近藤行成
    • Organizer
      第11回CSJ化学フェスタ2021
    • Related Report
      2021 Research-status Report
  • [Presentation] ジェミニ型界面活性剤修飾CsPbBr3ナノ結晶の発光特性と耐水性2021

    • Author(s)
      浦山章紘, 齋藤典生, 近藤行成
    • Organizer
      日本セラミックス協会第34回秋季シンポジウム
    • Related Report
      2021 Research-status Report

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Published: 2021-04-28   Modified: 2024-01-30  

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