期刊
CRYSTAL GROWTH & DESIGN
卷 17, 期 12, 页码 6158-6162出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.cgd.7b00992
关键词
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资金
- [15K17872]
- [17H05171]
- Grants-in-Aid for Scientific Research [15K17872] Funding Source: KAKEN
Commercially available 4,7-dibromo-2,1,3-benzothiadiazole can be used as a building block for the organic synthesis of high performance optoelectronics devices. Herein, we report that a single crystal of 4,7-dibromo-2,1,3-benzothiadiazole displays elastic bending flexibility and crystalline-state fluorescence. A large needle-shaped single crystal (over 1 cm long) exhibited a fibril lamella type structure based on slip-stacked (J-aggregated) molecular wires. The crystal was capable of bending under applied stress and quickly reverts to its original shape upon relaxation. The crystal shows a reversible fluorescence change via mechanical bending relaxation that can be performed many times.
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