Synthesis, photochromism properties of a hybrid diarylethene with hydroxyl group

Duohua Jiang; Gang Liu; Weijun Liu

doi:10.1117/12.918789

17 February 2012 Synthesis, photochromism properties of a hybrid diarylethene with hydroxyl group

Duohua Jiang, Gang Liu, Weijun Liu

Proceedings Volume 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging; 83320P (2012) https://doi.org/10.1117/12.918789
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

An unsymmetrical diarylethene derivative 1-(2,5-dimethyl-3-thienyl)-2-[2-methyl-5-(4-hydroxylphenyl)-3- thienyl]hexafluorocyclopentene (1a) was synthesized. At the same time, its photochromic properties and fluorescence switch were investigated in detail. The results showed that this compound exhibited reversible photochromism, undergoing reversible cyclization and cycloreversion reactions upon alternating irradiation with UV and visible light both in solution and in PMMA film, and its absorption maxima were observed at 547 nm in hexane and at 554 nm in PMMA amorphous film, respectively, upon irradiation with 297 nm UV light. The fluorescence intensity of diarylethene decreased dramatically along with the photochromism from open-ring isomer to closed-ring isomer upon irradiation with 297 nm UV light in hexane. In hexane the open-ring isomer of the diarylethene 1 exhibited relatively fluorescence at 507 nm when excited at 375 nm. This new photochromic compound also exhibited remarkable optical storage character.

Citation Download Citation

Duohua Jiang, Gang Liu, and Weijun Liu "Synthesis, photochromism properties of a hybrid diarylethene with hydroxyl group", Proc. SPIE 8332, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging, 83320P (17 February 2012); https://doi.org/10.1117/12.918789

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