Issue 33, 2014

Pressure effects on the radical–radical recombination reaction of photochromic bridged imidazole dimers

Abstract

The bridged imidazole dimers are some of the attractive fast photochromic compounds which have potential applications to the ophthalmic lenses, real-time hologram and molecular machines. The strategy for expanding their photochromic properties such as the colour variation and tuning the decolouration rates has been vigorously investigated, but the insight into the structural changes along the photochromic reactions has not been demonstrated in detail. Here, we demonstrated the pressure dependence of the radical–radical recombination reaction of the bridged imidazole dimers. The radical–radical interaction can be controlled by applying high pressure. Our results give fundamental information about the molecular dynamics of the bridged imidazole dimers, leading to the development of new functional photochromic machines and pressure-sensitive photochromic materials.

Graphical abstract: Pressure effects on the radical–radical recombination reaction of photochromic bridged imidazole dimers

Supplementary files

Article information

Article type
Paper
Submitted
25 Jun 2014
Accepted
02 Jul 2014
First published
07 Jul 2014

Phys. Chem. Chem. Phys., 2014,16, 17537-17540

Author version available

Pressure effects on the radical–radical recombination reaction of photochromic bridged imidazole dimers

K. Mutoh and J. Abe, Phys. Chem. Chem. Phys., 2014, 16, 17537 DOI: 10.1039/C4CP02793K

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