DataVXAdvanced Optical MaterialsPaper
journal article·2023-03Open access

Long‐Lived Charge Separation Induced Organic Long‐Persistent Luminescence with Circularly Polarized Characteristic

Tiantian Wang, Man Liu, Wenhui Feng, Rui Cao, Yajing Sun, Lichang Wang, Dongzhi Liu, Yong Wang, Tianyang Wang, Wenping Hu

Advanced Optical Materials· Volume 11· Issue 5
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Source abstract

Abstract

Abstract Research on strategies to enable organic long‐persistent luminescence (LPL) emission with circularly polarized luminescence (CPL) characteristics is still very rare due to the lack of an unambiguous light‐emitting mechanism. Herein, circularly polarized long‐persistent luminescence (CPLPL) of a pair of axial chiral molecules as the guest is induced under ambient conditions by exploiting the long‐lived charge separation of the host–guest doping system, whose LPL performance can be further promoted by introducing a rigid polymer network to enhance the charge separation efficiency between host and guest. Based on these CPLPL materials, an effective combination of CPL and LPL properties that is “difficult to copy” is revealed for information encryption and anticounterfeiting applications. This work is expected to stimulate a research boom of CPLPL materials, and will hopefully promote the development of organic LPL systems.
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Research context

Polymers

OpenAlex topics: Luminescence and Fluorescent Materials · Synthesis and Properties of Aromatic Compounds · Organic Light-Emitting Diodes Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Tianjin Key Laboratory of Molecular Optoelectronic Science (TJ‐MOS) Department of Chemistry School of Science Tianjin University Tianjin 300072 China

Department of Thermal Engineering Hebei Petroleum University of Technology Chengde 067000 China

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

School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China

Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300192 China

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

Funding

National Natural Science Foundation of China

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