4.7 Article

A high-content diarylethene photochromic polymer for an efficient fluorescence modulation

Journal

MACROMOLECULAR RAPID COMMUNICATIONS
Volume 27, Issue 20, Pages 1769-1773

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200600461

Keywords

diarylethene; fatigue analysis; fatigue resistance; fluorescence; photochrornism; polymerization

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A highly fluorescent photochromic polymer, poly-BTFO4, was prepared. The fluorescence quantum yield of the poly-BTFO4 was six times higher than that of BTFO4. Fatigue resistance of the polymer at its photostationary state was significantly enhanced compared with that of BTFO4. Importantly, the poly-BTFO4 film also showed an efficient photochromism as well as strong fluorescence similar to the results in solution, which allow photoinduced fluorescence switching applicable to optical switches.

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