Issue 38, 2016

Synchronised photoreversion of spirooxazine ring opening in thin crystals to uncover ultrafast dynamics

Abstract

Reversibility is an important issue that prevents ultrafast studies of chemical reactions in solid state due to product accumulation. Here we present an approach that makes use of spectrally-selected, post-excitation, ultrashort laser pulses to minimise photoproduct build-up, i.e. recover before destroy. We demonstrate that this method enabled us to probe the ultrafast dynamics of the ring opening reaction of spironaphthooxazine thin crystals by means of transient absorption spectroscopy. By extension, this approach should be amenable to other photochromic systems and use with structural probes.

Graphical abstract: Synchronised photoreversion of spirooxazine ring opening in thin crystals to uncover ultrafast dynamics

Supplementary files

Article information

Article type
Communication
Submitted
04 5 2016
Accepted
22 6 2016
First published
22 6 2016
This article is Open Access
Creative Commons BY-NC license

CrystEngComm, 2016,18, 7212-7216

Author version available

Synchronised photoreversion of spirooxazine ring opening in thin crystals to uncover ultrafast dynamics

K. M. Siddiqui, G. Corthey, S. A. Hayes, A. Rossos, D. S. Badali, R. Xian, R. S. Murphy, B. J. Whitaker and R. J. D. Miller, CrystEngComm, 2016, 18, 7212 DOI: 10.1039/C6CE01049K

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