Small molecule-doped organic crystals towards long-persistent luminescence in water and air

Desissa Yadeta Muleta; Jiawei Song; Wenhui Feng; Ruitao Wu; Xueqin Zhou; Wei Li; Lichang Wang; Dongzhi Liu; Tianyang Wang; Wenping Hu

doi:10.1039/D1TC00706H

Small molecule-doped organic crystals towards long-persistent luminescence in water and air†

Desissa Yadeta Muleta,

‡^a Jiawei Song,‡^a Wenhui Feng,‡^b Ruitao Wu,^c Xueqin Zhou,

^b Wei Li,^b Lichang Wang,

^bc Dongzhi Liu,^b Tianyang Wang

*^a and Wenping Hu

*^ad

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* Corresponding authors

^a Tianjin Key Laboratory of Molecular Optoelectronic Science (TJ-MOS), School of Science, Tianjin University, Tianjin 300354, P. R. China
E-mail: tianyangwang@tju.edu.cn, huwp@tju.edu.cn

^b School of Chemical Engineering and Technology, Tianjin University, Tianjin 300354, P. R. China

^c Department of Chemistry and Biochemistry and the Materials Technology Center, Southern Illinois University Carbondale, IL 62901, USA

^d Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China

Abstract

Organic long-persistent luminescent materials can be easily quenched in aqueous solutions or air, which limits their wide applications. Here we report novel doped organic crystals to overcome this challenge. The stable LPL performance of this crystalline material is visible for over 8 s and can be maintained for at least three months even in aqueous solution or in air.

This article is part of the themed collection: Journal of Materials Chemistry C HOT Papers

Journal of Materials Chemistry C

Small molecule-doped organic crystals towards long-persistent luminescence in water and air†

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Small molecule-doped organic crystals towards long-persistent luminescence in water and air

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