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Photoswitchable diarylethene‐based polyurethane film for photorewritable patterning and stable information storage
Author(s) -
Yu Maolin,
Wang Hong,
Li Yuqi,
Zhang Peisheng,
Chen Shu,
Zeng Rongjin,
Gao Yong,
Chen Jian
Publication year - 2019
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.47466
Subject(s) - diarylethene , photochromism , polyurethane , materials science , optical storage , polymer , isomerization , thermal stability , covalent bond , nanotechnology , information storage , 3d optical data storage , chemical engineering , photochemistry , optoelectronics , chemistry , composite material , computer science , organic chemistry , catalysis , database , engineering
Photoswitchable polymeric materials are promising candidates for rewritable patterning and optical information storage. However, traditional solid photoswitchable polymers are generally hampered by a low fatigue resistance and slow photoresponse. To overcome these two key deficiencies, in this study, we examined a simple synthetic strategy for producing photoswitchable polyurethane films via the covalent attachment of an excellent photochromic diarylethene. The as‐prepared diarylethene‐based polyurethane (DTE–PU) film showed rapidly reversible isomerization and splendid photoreversibility (>20 times). Additionally, the as‐prepared DTE–PU film in the closed form possessed outstanding thermal irreversibility and long‐term optical stability. Photowritten patterns on the DTE–PU film remained steady for more than 2 weeks. These eminent properties made the DTE–PU film a promising candidate for multifarious applications, including rewritable patterning and stable optical information storage. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019 , 136 , 47466.