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Issue 25, 2020
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Approaching an adjustable organic thermochromic luminophore library via the synergistic effects between structure-related molecular dynamics and aggregation-related luminescence

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Abstract

The building of a mature material library is critically important for the practical application of any smart responsive optoelectronic materials. For thermochromic luminophores, as an important category of smart materials, however, it remains challenging to achieve this target due to the complexity and limitations of existing construction mechanisms. Here, we propose a simple and efficient strategy for developing a thermochromic luminophore library by exploiting the synergistic effects between peripheral flexible chain-related molecular dynamics and molecular aggregation structure-related luminescence properties of donor–acceptor–donor type luminophores. The strategy provided herein facilitates the construction of a prototype thermochromic material library of 13 dyes with a luminescence color-switching window covering the whole visible region and a wide temperature-response range from 35 °C to 190 °C. Based on this material library and a nano ink preparation method, reversible information displays and twelfth-level data encryptions based on temperature changes are demonstrated.

Graphical abstract: Approaching an adjustable organic thermochromic luminophore library via the synergistic effects between structure-related molecular dynamics and aggregation-related luminescence

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Supplementary files

Article information


Submitted
08 Apr 2020
Accepted
16 May 2020
First published
18 May 2020

J. Mater. Chem. C, 2020,8, 8430-8439
Article type
Paper

Approaching an adjustable organic thermochromic luminophore library via the synergistic effects between structure-related molecular dynamics and aggregation-related luminescence

R. Liao, S. Gu, X. Wang, X. Zhang, X. Xie, H. Sun and W. Huang, J. Mater. Chem. C, 2020, 8, 8430
DOI: 10.1039/D0TC01755H

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