Issue 38, 2017

Triphenylamine derivatives: different molecular packing and the corresponding mechanoluminescent or mechanochromism property

Abstract

Mechanoluminescence (ML), a fantastic phenomenon, has attracted increasing attention. However, to date, enumerable bright ML luminogens have been reported based on AIE building blocks. Herein, a new non-AIE unit of triphenylamine, for the first time, is utilized to construct a bright ML luminogen of TPA-1BA. Regardless of the similar molecular structure of TPA-1BA and its analogues TPA-2BA and TPA-3BA, totally different mechanoluminescent activities were observed. Through the careful analyses of their crystal structures, it is found that the non-centrosymmetric molecular arrangement and high lattice stability under mechanical stimulation should be mainly responsible for the ML property of TPA-1BA.

Graphical abstract: Triphenylamine derivatives: different molecular packing and the corresponding mechanoluminescent or mechanochromism property

Supplementary files

Article information

Article type
Paper
Submitted
11 Aga 2017
Accepted
07 Sep 2017
First published
09 Sep 2017

J. Mater. Chem. C, 2017,5, 9879-9885

Triphenylamine derivatives: different molecular packing and the corresponding mechanoluminescent or mechanochromism property

M. Fang, J. Yang, Q. Liao, Y. Gong, Z. Xie, Z. Chi, Q. Peng, Q. Li and Z. Li, J. Mater. Chem. C, 2017, 5, 9879 DOI: 10.1039/C7TC03641H

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