Mechanochromic Luminescence Based on Crystal-to-Crystal Transformation Mediated by a Transient Amorphous State

DOI Web Site 研究データあり 被引用文献35件 参考文献60件
  • Shiki Yagai
    Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
  • Tomohiro Seki
    Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
  • Hiroaki Aonuma
    Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
  • Kohsuke Kawaguchi
    Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
  • Takashi Karatsu
    Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
  • Takuma Okura
    Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan
  • Aya Sakon
    Department of Chemistry and Materials Science, Graduate School of Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8551, Japan
  • Hidehiro Uekusa
    Department of Chemistry and Materials Science, Graduate School of Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8551, Japan
  • Hajime Ito
    Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan

書誌事項

公開日
2015-12-17
資源種別
journal article
DOI
  • 10.1021/acs.chemmater.5b03932
公開者
American Chemical Society (ACS)

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説明

Photoluminescent materials that exhibit tunable emission properties when subjected to mechanical stimuli have numerous potential applications. Although many organic/inorganic and organometallic compounds display this property, called mechanochromic luminescence, most of these materials undergo a crystalline-to-amorphous (C → A) phase transition; examples of crystalline-to-crystalline (C1 → C2) transformation are rare. Single-crystal X-ray diffraction may allow direct analysis of the molecular packing of mechanochromic luminescence materials before and after C1 → C2 transformation, which may help to understand the underlying mechanism of this transformation. Reported herein is a mechanochromic luminescence material that displays an unprecedented type of C1 → C2 transformation mediated by a transient amorphous phase (C1 → [A] → C2). This mechanochromic luminescence material was developed by introducing soft triethylene glycol side chains in a crystalline gold(I) complex that exhibits mechanochromic luminesc...

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