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Proceedings Paper

Photochromic dynamics of diarylethene compounds in solution and in PMMA amorphous film
Author(s): Guizhen Li; Shouzhi Pu; Qiang Xiao; Jingkun Xu; Liang Shen; Jiquan Zhao
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Paper Abstract

Two novel photochromic diarylethenes, 1,2-bis-[2-methyl-5-(4-formylphenyl)-3-thienyl]perfluorocyclopentene (1a) and 1,2-bis[2-methyl-5-(p-fluorophenyl)-3-thienyl]perfluorocyclopentene (2a), were synthesized and their photochromism and dynamics of the ring opening and closure reaction both in solution and in PMMA film were investigated. The results showed that 1a and 2a changed the color from colorless to blue upon irradiation with 313 nm UV light, in which absorption maxima were observed at 600 and 572 nm in hexane and at 612 and 588 nm in PMMA film, respectively. Their cyclization/cycloreversion processes were zeroth and first order reaction both in solution and in PMMA film, respectively.

Paper Details

Date Published: 15 September 2005
PDF: 4 pages
Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 59661L (15 September 2005); doi: 10.1117/12.649674
Show Author Affiliations
Guizhen Li, Jianxi Science & Technology Normal Univ. (China)
Hebei Univ. of Technology (China)
Shouzhi Pu, Jianxi Science & Technology Normal Univ. (China)
Qiang Xiao, Jianxi Science & Technology Normal Univ. (China)
Jingkun Xu, Jianxi Science & Technology Normal Univ. (China)
Liang Shen, Jianxi Science & Technology Normal Univ. (China)
Jiquan Zhao, Hebei Univ. of Technology (China)


Published in SPIE Proceedings Vol. 5966:
Seventh International Symposium on Optical Storage (ISOS 2005)
Fuxi Gan; Lisong Hou, Editor(s)

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