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Synthesis, Photochromic Property and Application for Optical Recording of a New Asymmetrical Diarylethene

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Author(s): Huirong Du | Shangfen Gao | Li Yang

Journal: International Journal of Organic Chemistry
ISSN 2161-4687

Volume: 02;
Issue: 04;
Start page: 387;
Date: 2012;
Original page

Keywords: Diarylethene | Fluorescence | Optical Recording

ABSTRACT
The reversible molecule switching of an assymmetrical photochromic diarylethene 1-[2-methy1-5-(3-chlorophenyl)-3-thienyl]-2-(1,2-dimethy1-3-indol) perfluorocyelopentene (1a) has been prepared for the examination of photo-switching, fluorescence switching. This compound exhibited reversible photochromism, changing from colorless to blue after irradiation with UV light both in solution and in poly-methyl methacrylate (PMMA) amorphous film. Also, it exhibited remarkable fluorescence switching in the solid state. Using diarylethene 1b/PMMA film as recording medium, polarization optical recording was performed perfectly by a He-Ne laser with 633 nm wavelength. The results demonstrated that it can be potentially used as polarization optical recording medium.
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