Paper Title:
Synthesis and Properties of a Novel Diarylethene Having Two Fluorines
  Abstract

An unsymmetrical photochromic diarylethene, 1-[2-methyl-5-(3,5-difluorophenyl)-3-thienyl]-2-(2-cyano-1,5-dimethyl-4-pyrryl)perfluorocyclopentene (1o), was synthesized, and its optoelectronic properties were also investigated. The results showed that this compound exhibited reversible photochromism changing from colorless to blue after irradiation with UV light both in solution and in PMMA amorphous film. The open-ring isomer of the diarylethene 1 exhibited relatively strong fluorescence both in hexane solution and in PMMA amorphous film. The fluorescence intensity decreased along with the photochromism upon irradiation with 297 nm light and its closed-ring isomer showed almost no fluorescence.

  Info
Periodical
Advanced Materials Research (Volumes 239-242)
Edited by
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
Pages
2415-2418
DOI
10.4028/www.scientific.net/AMR.239-242.2415
Citation
G. Liu, M. Liu, S. Z. Pu, "Synthesis and Properties of a Novel Diarylethene Having Two Fluorines", Advanced Materials Research, Vols. 239-242, pp. 2415-2418, 2011
Online since
May 2011
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Price
$32.00
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