Efficient Synthesis, Photochromic Properties and Application of a New Unsymmetrical Diarylethene

Abstract:

A new unsymmetrical photochromic diarylethene compound, [1-(2-methyl-5-(3-fluorophenyl)-3-thienyl), 2-(2-methyl-3-benzothienyl)]perfluorocyclopentene (1o), was synthesized and its photochemical properties, such as photochromism and fluorescence in solution as well as in PMMA amorphous film were investigated in detail. The results showed that the compound exhibited remarkable photochromism, changing from colorless to violet after irradiation with 297 nm UV light both in solution and in PMMA film. Finally, using this dithienylethene as recording medium, polarization optical recording was carried out successfully.

• Periodical: Key Engineering Materials (Volumes 474-476)
• Pages: 1547-1550
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.474-476.1547
• Online since: April 2011
• Authors: Ren Jie Wang, Hong Ying Xia, Shou Zhi Pu, Shi Qiang Cui
• Keywords: Diarylethene, Fluorescence, Optical Storage, Photochromism

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