Photochromic dynamics of diarylethene compounds in solution and in PMMA amorphous film

Guizhen Li; Shouzhi Pu; Qiang Xiao; Jingkun Xu; Liang Shen; Jiquan Zhao

doi:10.1117/12.649674

15 September 2005 Photochromic dynamics of diarylethene compounds in solution and in PMMA amorphous film

Guizhen Li, Shouzhi Pu, Qiang Xiao, Jingkun Xu, Liang Shen, Jiquan Zhao

Proceedings Volume 5966, Seventh International Symposium on Optical Storage (ISOS 2005); 59661L (2005) https://doi.org/10.1117/12.649674
Event: Seventh International Symposium on Optical Storage (ISOS 2005), 2005, Zhanjiang, China

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.

Citation Download Citation

Guizhen Li, Shouzhi Pu, Qiang Xiao, Jingkun Xu, Liang Shen, and Jiquan Zhao "Photochromic dynamics of diarylethene compounds in solution and in PMMA amorphous film", Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 59661L (15 September 2005); https://doi.org/10.1117/12.649674

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