Photochromic diarylethenes for molecular photonics |
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Affiliation: | Institute of Advanced Material Study, Kyushu University, Kasuga-Koen 6-1, Kasuga, Fukuoka 816, Japan |
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Abstract: | 1,2-Diarylethenes with heterocyclic aryl groups, such as benzothiophene rings, underwent thermally irreversible and fatigue resistant photochromic reactions. The photocyclization response time of a dithienylethane was measured to be 1 ps. Gated photochromic reactivity was given to a 1,2-bis(benzothiophen-3-yl) perfluorocyclopentene by introducing intramolecular hydrogen-bond forming groups. |
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