Volume 196, 2017
From the journal:

Faraday Discussions

Construction and function of a highly efficient supramolecular luminescent system†

Yingjie Liu,a   Suqian Ma,a   Bin Xu*a  and  Wenjing Tian*a  

* Corresponding authors

a State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Qianjin Street No. 2699, Changchun 130012, China
E-mail: xubin@jlu.edu.cn, wjtian@jlu.edu.cn

Abstract

Aggregation-induced emission (AIE) provides a new way of achieving highly efficient luminescent materials. In this contribution, the self-assembly behavior, molecular stacking structure and photophysical properties of two polymorphs of a supramolecular co-crystal (C1 and C2) are investigated. The block-like crystal C1, packed in segregated stacking with strong π–π interactions between the H and G molecules, shows weak green emission with a low efficiency (ΦF) of 2%. In comparison, the needle-like crystal C2, packed in segregated stacking with no obviously strong intermolecular interactions, shows bright yellow emission. More importantly, C1 exhibits mechanochromic behavior.

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Article information

DOI
https://doi.org/10.1039/C6FD00166A
Article type
Paper
Submitted
03 Jul 2016
Accepted
09 Aug 2016
First published
09 Aug 2016

Faraday Discuss., 2017,196, 219-229

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Construction and function of a highly efficient supramolecular luminescent system

Y. Liu, S. Ma, B. Xu and W. Tian, Faraday Discuss., 2017, 196, 219 DOI: 10.1039/C6FD00166A

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