Issue 5, 2010
From the journal:

Journal of Materials Chemistry

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†

Hui Lin,ab   Wei Xu*a  and  Daoben Zhu*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Organic Solids, Institute of Chemistry; Chinese †Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: wxu@iccas.ac.cn, zhudb@iccas.ac.cn
Fax: +086-010-62569349
Tel: +086-010-82617790

b Academy of Sciences, and Graduate School of Chinese Academy of Sciences, Beijing 100049, P. R. China

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

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Article information

DOI
https://doi.org/10.1039/B913149C
Article type
Paper
Submitted
03 Jul 2009
Accepted
29 Oct 2009
First published
07 Dec 2009

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

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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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