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Issue 6, 2015
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Aggregation-induced emission and aggregation-promoted photochromism of bis(diphenylmethylene)dihydroacenes

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Abstract

Reported herein is a new class of pure polycyclic hydrocarbon molecules, designed through a novel aggregation-induced emission (AIE) strategy, with unexpected photochromic properties. The restriction of intramolecular motion was found as a comprehensive mechanism for the AIE effect. The photochromism mechanism study revealed that the photocyclization reaction of cis-stilbene, the molecular conformation in the single crystal and the tetracene backbone should contribute to the unique photo behavior. In particular, the fast responsive, photo-reversible and thermo-irreversible photochromic effect facilitated in the solid state opens a new field of aggregation-promoted photochromism.

Graphical abstract: Aggregation-induced emission and aggregation-promoted photochromism of bis(diphenylmethylene)dihydroacenes

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Publication details

The article was received on 12 Mar 2015, accepted on 02 Apr 2015 and first published on 03 Apr 2015


Article type: Edge Article
DOI: 10.1039/C5SC00900F
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Citation: Chem. Sci., 2015,6, 3538-3543
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    Aggregation-induced emission and aggregation-promoted photochromism of bis(diphenylmethylene)dihydroacenes

    Z. He, L. Shan, J. Mei, H. Wang, J. W. Y. Lam, H. H. Y. Sung, I. D. Williams, X. Gu, Q. Miao and B. Z. Tang, Chem. Sci., 2015, 6, 3538
    DOI: 10.1039/C5SC00900F

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