Issue 25, 2014
From the journal:

CrystEngComm

Photoreversible solid state negative photochromism of N-(3,5-dichlorosalicylidene)-1-aminopyrene†

Damir A. Safin,a   Michael Bolteb  and  Yann Garcia*a  

* Corresponding authors

a Institute of Condensed Matter and Nanosciences, Molecules, Solids, Reactivity (IMCN/MOST), Université Catholique de Louvain, Place L. Pasteur 1, 1348 Louvain-la-Neuve, Belgium
E-mail: yann.garcia@uclouvain.be
Fax: +32(0) 1047 2330
Tel: +32(0) 1047 2831

b Institut für Anorganische Chemie J.-W.-Goethe-Universität, Frankfurt/Main, Germany

Abstract

N-(3,5-Dichlorosalicylidene)-1-aminopyrene (1) exhibits photoreversible negative photochromism. This colour change arises from the trans-keto to cis-keto interconversion upon irradiation at λ = 546 nm. The photogenerated cis-keto form of 1 is highly stable under ambient conditions and shows very negligible and slow thermal relaxation; it is photoreversible upon irradiation at λ = 450 nm.

Graphical abstract: Photoreversible solid state negative photochromism of N-(3,5-dichlorosalicylidene)-1-aminopyrene

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Article information

DOI
https://doi.org/10.1039/C4CE00589A
Article type
Communication
Submitted
21 Mar 2014
Accepted
14 Apr 2014
First published
20 May 2014

CrystEngComm, 2014,16, 5524-5526

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Photoreversible solid state negative photochromism of N-(3,5-dichlorosalicylidene)-1-aminopyrene

D. A. Safin, M. Bolte and Y. Garcia, CrystEngComm, 2014, 16, 5524 DOI: 10.1039/C4CE00589A

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