HIRAI Yuichi 平井悠一

… Alternative Names

Hirai Yuichi 平井悠一

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Researcher Number	00866048
Other IDs	https://orcid.org/0000-0002-0252-1243
Affiliation (Current)	2025: 国立研究開発法人物質・材料研究機構, 電子・光機能材料研究センター, 研究員
Affiliation (based on the past Project Information) *help	2025: 国立研究開発法人物質・材料研究機構, 電子・光機能材料研究センター, 研究員 2023 – 2024: 国立研究開発法人物質・材料研究機構, 若手国際研究センター, ICYSリサーチフェロー 2022: 国立研究開発法人物質・材料研究機構, 若手国際研究センター, ICYS研究員
Review Section/Research Field	Principal Investigator Basic Section 32020:Functional solid state chemistry-related
Keywords	Principal Investigator 結晶構造 / ナノインデンテーション / 固体力学 / 刺激応答発光 / 発光 / メカノクロミズム / 希土類錯体 / トリボルミネッセンス / メカノルミネッセンス / メカノクロミック … More / 結晶 / ナノメカニクス / 機械刺激 / ピレン / 希土類 / 応力センサー / メカノクロミック発光 / メカノ発光 Less

Research Projects
(2 results)
Research Products
(20 results)

分子結晶の構造-変形-発光特性の網羅的探索による機械刺激応答発光の学理解明Principal Investigator
- Principal Investigator
  
  平井悠一
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 32020:Functional solid state chemistry-related
- Research Institution
  National Institute for Materials Science
Mechanical Characterization of Stimuli-Responsive Luminescent Molecules Using NanoindentationPrincipal Investigator
- Principal Investigator
  
  Hirai Yuichi
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 32020:Functional solid state chemistry-related
- Research Institution
  National Institute for Materials Science

All 2025 2024 2023 2022

All Journal Article Presentation

[Journal Article] Mechanically sensitive luminescence of dinuclear lanthanide(III) complexes linked by biphenylene moieties with varying conformational freedom2025
- Author(s)
  Hirai Yuichi、Takeda Takashi、Nakanishi Takayuki
- Journal Title
  
  Materials Letters
  
  Volume: 385 Pages: 138112-138112
- DOI
  10.1016/j.matlet.2025.138112
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14661
[Journal Article] Mechanofluorochromism and self-recovery of alkylsilylpyrene-1-carboxamides2024
- Author(s)
  Hirai Yuichi、Wrona-Piotrowicz Anna、Zakrzewski Janusz、Ciechanska Magdalena、Ohmura Takahito、Takeda Takashi、Nakanishi Takayuki、Metivier Remi、Allain Clemence
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 12 Issue: 6 Pages: 1952-1957
- DOI
  10.1039/d3tc03968d
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661, KAKENHI-PROJECT-21H02031
[Journal Article] On Sense and Deform: Molecular Luminescence for Mechanoscience2024
- Author(s)
  Hirai Yuichi
- Journal Title
  
  ACS Applied Optical Materials
  
  Volume: 2 Issue: 6 Pages: 1025-1045
- DOI
  10.1021/acsaom.4c00101
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14661
[Journal Article] Bright lanthanideIII tribolumines-cence despite low photoluminescence, and dual triboluminescence and mechano-responsive photoluminescence2023
- Author(s)
  Yuichi Hirai, Stan Van Baaren, Takahito Ohmura, Takayuki Nakanishi, Takashi Takeda, Yuichi Kitagawa, Yasuchika Hasegawa, Remi Metivier and Clemence Allain
- Journal Title
  
  Advanced Optical Materials
  
  Volume: 11 Issue: 9 Pages: 1-7
- DOI
  10.1002/adom.202203139
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661, KAKENHI-PROJECT-21H02031, KAKENHI-PROJECT-20H02748, KAKENHI-PROJECT-21K18969
[Presentation] アルコール-ピレン共結晶の発光および力学特性2025
- Author(s)
  平井悠一, 武田隆史, 中西貴之, 大村孝仁
- Organizer
  日本金属学会　春期(第176回)講演大会
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] 分子結晶の力学刺激応答発光と微小領域の力学特性2025
- Author(s)
  平井悠一
- Organizer
  日本化学会春季年会　ルミネッセンス化学アンサンブル：多様なトライボ-, ピエゾ-, およびメカノルミネッセンス材料の最前線
- Invited
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] 希土類錯体の結晶構造が破壊・発光特性に与える影響2025
- Author(s)
  平井悠一，武田隆史, 中西貴之, 大村孝仁
- Organizer
  第41回希土類討論会
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Mechanical and photophysical response of luminescent molecular crystalline materials2025
- Author(s)
  Yuichi Hirai, Takashi Takeda, Takayuki Nakanishi and Takahito Ohmura
- Organizer
  32nd International Conference on Photochemistry (ICP 2025)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Mechanical and photophysical response of luminescent molecular crystalline materials2025
- Author(s)
  Yuichi Hirai, Takashi Takeda, Takayuki Nakanishi and Takahito Ohmura
- Organizer
  The 20th International Conference on Strength of Materials (ICSMA 20)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] 発光性分子の多形・擬多形・類縁体を用いた力学刺激応答機能の検討2024
- Author(s)
  Yuichi Hirai, Takashi Takeda, Takayuki Nakanishi, Takahito Ohmura
- Organizer
  2024年度「高温材料の変形と破壊」および「微小領域の力学特性とマルチスケールモデリング」研究会
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Crystallographic and mechanical parameters of mechanically responsive luminescent molecular materials2024
- Author(s)
  Yuichi Hirai, Takayuki Nakanishi, Takashi Takeda, Takahito Ohmura
- Organizer
  日本化学会春季年会
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Mechanochromic Luminescence and Dynamic Recovery of Pyrene Derivatives2024
- Author(s)
  Yuichi Hirai, Anna Wrona-Piotrowicz, Janusz Zakrzewski, Magdalena Ciechanska, Takahito Ohmura, Takashi Takeda, Takayuki Nakanishi, Remi Metivier, Clemence Allain
- Organizer
  29th PhotoIUPAC
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Mechanical Aspects of Lanthanide(III) Coordination Materials for Stimuli-Responsive Luminescence2024
- Author(s)
  Yuichi Hirai, Takahito Ohmura, Takashi Takeda, Takayuki Nakanishi
- Organizer
  45th International Conference on Coordination Chemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Luminescent lanthanide(III) molecular crystals under mechanical stimuli and photo-illumination2023
- Author(s)
  Yuichi Hirai, Takahito Ohmura, Takayuki Nakanishi, Takashi Takeda, Clemence Allain and Remi Metivier
- Organizer
  20th International Conference on Luminescence (ICL2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Study on mechanofluorochromism of pyrene derivatives from nanomechanical point of view2023
- Author(s)
  Yuichi Hirai, Takahito Ohmura, Takashi Takeda, Takayuki Nakanishi, Clemence Allain and Remi Metivier
- Organizer
  31st International Conference on Photochemistry (ICP2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Decoding triboluminescence by a tetramorphic lanthanide(III) coordination polymer2023
- Author(s)
  Yuichi Hirai, Takahito Ohmura, Takayuki Nakanishi, Takashi Takeda, Clemence Allain and Remi Metivier
- Organizer
  11th International Conference on f elements (ICFE-11)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Photophysical and mechanical response of fluorescent organic molecular crystals2022
- Author(s)
  HIRAI, Yuichi
- Organizer
  ”微小領域の力学特性評価とマルチスケールモデリング”2022
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Bright Triboluminescence of An Inefficient Photoluminescent Eu(III) Complex2022
- Author(s)
  HIRAI, Yuichi, TAKEDA, Takashi, OHMURA, Takahito, NAKANISHI, Takayuki
- Organizer
  29th RARE EARTH RESEARCH CONFERENCE (RERC29)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Polymorphic lanthanide(III) coordination polymers with mechano-responsive luminescence2022
- Author(s)
  HIRAI, Yuichi, OHMURA, Takahito, TAKEDA, Takashi, NAKANISHI, Takayuki
- Organizer
  44th International Conference on Coordination Chemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661
[Presentation] Mechanically-responsive Luminescent Lanthanide(III) Coordination Materials2022
- Author(s)
  HIRAI, Yuichi
- Organizer
  Mechano-X BIO&CHEM
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14661

HIRAI Yuichi 平井 悠一

Hirai Yuichi 平井 悠一

Research Projects

Research Products

分子結晶の構造-変形-発光特性の網羅的探索による機械刺激応答発光の学理解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Mechanical Characterization of Stimuli-Responsive Luminescent Molecules Using NanoindentationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Mechanically sensitive luminescence of dinuclear lanthanide(III) complexes linked by biphenylene moieties with varying conformational freedom2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mechanofluorochromism and self-recovery of alkylsilylpyrene-1-carboxamides2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] On Sense and Deform: Molecular Luminescence for Mechanoscience2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Bright lanthanideIII tribolumines-cence despite low photoluminescence, and dual triboluminescence and mechano-responsive photoluminescence2023

Author(s)

Journal Title

DOI

Data Source

[Presentation] アルコール-ピレン共結晶の発光および力学特性2025

Author(s)

Organizer

Data Source

[Presentation] 分子結晶の力学刺激応答発光と微小領域の力学特性2025

Author(s)

Organizer

Data Source

[Presentation] 希土類錯体の結晶構造が破壊・発光特性に与える影響2025

Author(s)

Organizer

Data Source

[Presentation] Mechanical and photophysical response of luminescent molecular crystalline materials2025

Author(s)

Organizer

Data Source

[Presentation] Mechanical and photophysical response of luminescent molecular crystalline materials2025

Author(s)

Organizer

Data Source

[Presentation] 発光性分子の多形・擬多形・類縁体を用いた力学刺激応答機能の検討2024

Author(s)

Organizer

Data Source

[Presentation] Crystallographic and mechanical parameters of mechanically responsive luminescent molecular materials2024

Author(s)

Organizer

Data Source

[Presentation] Mechanochromic Luminescence and Dynamic Recovery of Pyrene Derivatives2024

Author(s)

Organizer

Data Source

[Presentation] Mechanical Aspects of Lanthanide(III) Coordination Materials for Stimuli-Responsive Luminescence2024

Author(s)

Organizer

Data Source

[Presentation] Luminescent lanthanide(III) molecular crystals under mechanical stimuli and photo-illumination2023

Author(s)

Organizer

Data Source

[Presentation] Study on mechanofluorochromism of pyrene derivatives from nanomechanical point of view2023

Author(s)

Organizer

Data Source

HIRAI Yuichi 平井悠一

Hirai Yuichi 平井悠一