Paper Title:
A New Photochromic Diarylethene for Reversible Molecule Switching Properties Based on Pyrrole and Thiophene
  Abstract

A new unsymmetrical photochromic diarylethene bearing a pyrrole and a thiophene aryl unit 1-(5-cyan-1,2-dimethylpyrrole)-2-(5-aldehyde-2-butylthiophene) perfluorocyclopentene(1a) has been synthesized. Its properties, including photochromism and kinetics were investigated in detail. It underwent reversible cyclization and cycloreversion reactions upon alternating with UV and visible light both in solution and in PMMA film. The results showed that this compound exhibited reversible photochromism, changing from colorless to blue upon irradiation with UV light, in which absorption maximum were observed at 649 nm and 583 nm in solution and PMMA amorphous film, respectively. This new photochromic system also exhibited remarkable reaction kinetics in hexane solution.

  Info
Periodical
Advanced Materials Research (Volumes 284-286)
Chapter
Optical/Electronic/Magnetic Materials
Edited by
Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu
Pages
2239-2242
DOI
10.4028/www.scientific.net/AMR.284-286.2239
Citation
S. H. He, G. Liu, R. J. Wang, "A New Photochromic Diarylethene for Reversible Molecule Switching Properties Based on Pyrrole and Thiophene", Advanced Materials Research, Vols. 284-286, pp. 2239-2242, 2011
Online since
July 2011
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$32.00
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