Paper
19 March 2009 Photoinduced anisotropy in diarylethene/PMMA film
Anyin Chen, Shouzhi Pu, Zhanggao Le, Weijun Liu
Author Affiliations +
Proceedings Volume 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage; 71250Z (2009) https://doi.org/10.1117/12.822479
Event: Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 2008, Wuhan, China
Abstract
A new photochromic diarylethene compound, 1-[2-methyl-5-(3-methoxylphenyl)-3-thienyl]-2-[2-methyl-5-(3- trifluoromethylphenyl)-3-thienyl]perfluorocyclopentene (1a), was synthesized and its photochromism and photo-induced anisotropy was investigated. It showed good photochromism both in solution and PMMA amorphous film by photoirradiation. In hexane, the colorless solution turned to blue with a new broad absorption band centered at 579 nm upon irradiation with 254 nm UV light. The blue colored solution returned to colorless upon irradiation with visible light (λ > 500 nm). The open-ring isomer of 1a exhibited relatively strong fluorescence at 352 nm when excited at 295 nm in hexane. In PMMA film, diarylethene 1a also showed good photochromism. In addition, the result indicated that the compound showed a photoinduced anisotropic phenomenon accompanying the photochromic reaction, which illustrated that the diarylethene can be potentially used as polarization multiplexed image recording medium.
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Anyin Chen, Shouzhi Pu, Zhanggao Le, and Weijun Liu "Photoinduced anisotropy in diarylethene/PMMA film", Proc. SPIE 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 71250Z (19 March 2009); https://doi.org/10.1117/12.822479
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KEYWORDS
Luminescence

Anisotropy

Absorption

Polarization

Polymethylmethacrylate

Ultraviolet radiation

Multiplexing

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