Benzothiazolium-functionalized tetraphenylethene: an AIE luminogen with tunable solid-state emission

Na Zhao; Zhiyong Yang; Jacky W. Y. Lam; Herman H. Y. Sung; Ni Xie; Sijie Chen; Huimin Su; Meng Gao; Ian D. Williams; Kam Sing Wong; Ben Zhong Tang

doi:10.1039/c2cc33780k

Abstract

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Melding a benzothiazolium unit with tetraphenylethene generates a new hemicyanine luminogen with aggregation-induced emission characteristics; the luminogen exhibits crystochromism and its solid-state emission can be repeatedly tuned from yellow or orange to red by grinding-fuming or grinding-heating processes due to the transformation from the crystalline to the amorphous state and vice versa.

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