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Triphenylamine Derivatives: Different Molecular Packing, and the Corresponding Mechanoluminescent or Mechanochromism Property

Abstract

Mechanoluminescence (ML), as known as a fantastic phenomenon, has attracted increasing attention. However, enumerable bright ML luminogens have been reported based on AIE building blocks until now. Here, 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 of TPA-2BA and TPA-3BA, totally different mechanoluminescent activities were observed. Through the careful analyses of their crystal structures, it is found the non-centrosymmetric molecular arrangement and the high lattice stability under mechanical stimulation should be mainly responsible for the ML property of TPA-1BA.

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Publication details

The article was received on 11 Aug 2017, accepted on 07 Sep 2017 and first published on 09 Sep 2017


Article type: Paper
DOI: 10.1039/C7TC03641H
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    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, Accepted Manuscript , DOI: 10.1039/C7TC03641H

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