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Issue 8, 2021
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Organic phosphorescent polymorphs induced by various halogen bonds with stimuli-responsive single/dual phosphorescence switching

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Abstract

Herein, we report the first example of two pure organic polymorphs with stimuli-responsive single/dual phosphorescence transformation. By analyzing the crystal structures and theoretical results, it could be understood that efficient intermolecular interactions could restrict the molecular movements and lock distinct molecular conformations, leading to different phosphorescence behaviors. Besides, single/dual phosphorescence could transform into each other by heating or under solvent vapor conditions. Considering such unique properties, logical sensors (AND gate and OR gate) were built by providing different emission colors as inputs. Our work provides not only important information for understanding the dual RTP mechanism but also unique stimuli-responsive pure organic phosphorescent materials to enrich material fields.

Graphical abstract: Organic phosphorescent polymorphs induced by various halogen bonds with stimuli-responsive single/dual phosphorescence switching

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Article information


Submitted
21 Nov 2020
Accepted
11 Jan 2021
First published
11 Jan 2021

J. Mater. Chem. C, 2021,9, 2738-2743
Article type
Paper

Organic phosphorescent polymorphs induced by various halogen bonds with stimuli-responsive single/dual phosphorescence switching

H. Liu, W. Liu, N. Ando, S. Yamaguchi and H. Zhang, J. Mater. Chem. C, 2021, 9, 2738
DOI: 10.1039/D0TC05468B

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