Issue 5, 2010

1,2-Bis (3,5-dimethyl dithioene [3,2-b:2′,3′-d]thiophene -2-yl) perfluorocyclopentene: synthesis and photochromic reaction in solution and LB films

Abstract

A new photochromic compound 1,2-Bis (3,5-dimethyl dithioene [3,2-b:2′,3′-d]thiophene -2-yl) perfluorocyclopentene (BDDTP) was synthesized with an improved procedure. The photochromic reaction of this compound was investigated by UV–visible absorption spectroscopy, 1H NMR spectroscopy and electrochemical characterizations in solution. Thin films of BDDTP were prepared using Langmuir–Blodgett (LB) technology. A photobleaching reaction accompanied by conductance changes was observed when LB films were prepared from the BDDTP solution in a photostationary state under UV photoirradiation. Quantum chemical simulations were applied for understanding the color changes in the photochromic reaction.

Graphical abstract: 1,2-Bis (3,5-dimethyl dithioene [3,2-b:2′,3′-d]thiophene -2-yl) perfluorocyclopentene: synthesis and photochromic reaction in solution and LB films

Supplementary files

Article information

Article type
Paper
Submitted
03 Jul 2009
Accepted
29 Oct 2009
First published
07 Dec 2009

J. Mater. Chem., 2010,20, 884-890

1,2-Bis (3,5-dimethyl dithioene [3,2-b:2′,3′-d]thiophene -2-yl) perfluorocyclopentene: synthesis and photochromic reaction in solution and LB films

H. Lin, W. Xu and D. Zhu, J. Mater. Chem., 2010, 20, 884 DOI: 10.1039/B913149C

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