Title |
The Temperature Dependent Photoswitching of a Classic Diarylethene Monitored by in Situ X‑ray Diffraction
|
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Published in |
Journal of Physical Chemistry A, January 2015
|
DOI | 10.1021/jp512488q |
Pubmed ID | |
Authors |
Jordan M. Cox, Ian M. Walton, Dinesh G. Patel, Mengyang Xu, Yu-Sheng Chen, Jason B. Benedict |
Abstract |
Organic photochromic molecules including diarylethenes are of particular interest for their numerous potential applications including high-density optical data storage and light-activated switches. In this report, we examined the temperature dependence of the light-drive photocyclization reaction in a classic diarylethene. The steady-state populations were monitored spectroscopically and by temperature dependent in situ photocrystallography, the latter being the first reported example of this technique. The observed decrease in the steady-state population with decreasing temperature suggests this classic diarylethene possesses an excited-state potential energy surface topology similar to previously reported "inverted" diarylethenes. |
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