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Issue 11, 2000
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A novel family of photochromic amorphous molecularmaterials based on dithienylethene

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Abstract

A novel family of photochromic amorphous molecular materials based on dithienylethene, 1-(5-{4-[bis(4-methylphenyl)amino]phenyl}-2-methylthiophen-3-yl)-2-(2-methylbenzo[b]thiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopentene (1o) and 1,2-bis(5-{4-[bis(4-methylphenyl)amino]phenyl}-2-methylthiophen-3-yl)-3,3,4,4,5,5-hexafluorocyclopentene (2o) with glass-transition temperatures of 66 and 94 °C, respectively, has been developed. Comparison of photochromic properties between 1o and 2o shows that the incorporation of two bulky triphenylamine moieties leads to higher conversion of photocyclisation in the amorphous film.

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Publication details

The article was received on 26 Jun 2000, accepted on 02 Aug 2000 and first published on 19 Sep 2000


Article type: Communication
DOI: 10.1039/B005067I
Citation: J. Mater. Chem., 2000,10, 2436-2437
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    A novel family of photochromic amorphous molecular materials based on dithienylethene

    H. Utsumi, D. Nagahama, H. Nakano and Y. Shirota, J. Mater. Chem., 2000, 10, 2436
    DOI: 10.1039/B005067I

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