Polymorphs of a diarylethene that exhibits strong emission and direct visualization of polymorphic phase transition process by fluorescence color change

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• 作者：Daichi Kitagawa^a ; Tatsumoto Nakahama^a ; Katsuya Mutoh^b ; Yoichi Kobayashi^b ; Jiro Abe^b ; Hikaru Sotome^c ; Syoji Ito^c ; Hiroshi Miyasaka^c ; Seiya Kobatake^a ; ^{kobatake@a-chem.eng.osaka-cu.ac.jp}
• 关键词：Diarylethene ; Crystal ; Strong emission ; Polymorphs ; Phase transition ; Visualization
• 刊名：Dyes and Pigments
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：139
• 期：Complete
• 页码：233-238
• 全文大小：1946 K
• 卷排序：139

文摘

Polymorphism of a diarylethene was newly found. Both of the polymorphic crystals exhibited strong emission. Polymorphic phase transition was directly visualized by fluorescence color change. The phase transition mechanism was well supported by TGA and DSC measurement.