Fast T‑Type Photochromic Crystals of Diarylbenzene

Photochromic molecules are of great interest as light-driven molecular switches in research fields of material and life sciences. In particular, fast T-type photochromic molecules with half-life times of the thermal back reaction (t 1/2) on the order of milliseconds can change not only their color b...

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Veröffentlicht in:Journal of physical chemistry. C 2021-03, Vol.125 (8), p.4588-4594
Hauptverfasser: Hamatani, Shota, Kitagawa, Daichi, Kobatake, Seiya
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Sprache:eng
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Zusammenfassung:Photochromic molecules are of great interest as light-driven molecular switches in research fields of material and life sciences. In particular, fast T-type photochromic molecules with half-life times of the thermal back reaction (t 1/2) on the order of milliseconds can change not only their color but also their physicochemical properties only under photoirradiation. Herein, we report fast T-type photochromic crystals with the t 1/2 on the order of milliseconds composed of a diarylbenzene by utilizing intramolecular CH–N hydrogen bonding interactions. Our results would lead to novel photoresponsive crystalline materials whose color and physicochemical properties can be modulated only under photoirradiation.
ISSN:1932-7447
1932-7455
DOI:10.1021/acs.jpcc.0c10988