journal article·2025-01Open access

High‐Efficiency Circularly Polarized Luminescence Regulation of a Dye‐Doped Polymer Film by Acid/Aggregation

Jianxin Sun, Mingyang Han, Guojian Yang, Yueze Wang, Wenjuan Fang, Aiyan Shi, Chaoyu Xiang, Jianguo Wang, Ting Zhang, Haoran Wang

Advanced Optical Materials· Volume 13· Issue 3

Abstract

Abstract Smart materials with circularly polarized luminescence (CPL) tunable ability show great potential for advanced information storage and encryption. While an effective integration of high photoluminescence quantum yield (PLQY) and facile regulation of CPL property in thin films are of great significance, it is challenging due to the scarcity of suitable materials and complexity of systems. Herein, a novel acid‐responsive CPL tunable molecule is designed by combining an aggregation‐induced emission (AIE) component (TPE), an acid‐responsive luminophore (Rhodol), and a chiral aniline. Benefitting by the “AIE” effect of TPE and acid‐sensitive nature of Rhodol, the acidified molecule (S‐Rhodol‐TPE) exhibits a high PLQY even when doped in the polymer substrate at high concentrations. In addition, due to the fluorescence resonance energy transfer (FRET) process between TPE and Rhodol, the emission color of S‐Rhodol‐TPE can be easily regulated by the doped ratio and acidified degree of S‐Rhodol‐TPE in the polymer film. This work exhibits a unique approach to achieving smart CPL‐tunable films with high PLQYs and multiple emission color‐regulation properties, which can undoubtedly facilitate the progress of CPL tunable materials.
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Research context

OpenAlex topics: Luminescence and Fluorescent Materials · Synthesis and Properties of Aromatic Compounds · Polydiacetylene-based materials and applications

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

Affiliations

Laboratory of Advanced Nano‐Optoelectronic Materials and Devices Qianwan Institute of CNITECH Ningbo 315300 P. R. China

Laboratory of Advanced Nano‐Optoelectronic Materials and Devices Laboratory of Optoelectronic and Information Materials and Devices Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China

Faculty of Materials Science Shenzhen MSU‐BIT University Shenzhen 518115 P. R. China

College of Chemistry and Chemical Engineering Inner Mongolia Key Laboratory of Fine Organic Synthesis Inner Mongolia University Hohhot 010021 P. R. China

Smart Materials for Architecture Research Lab Innovation Center of Yangtze River Delta Zhejiang University Jiaxing 314100 P. R. China

Funding

National Natural Science Foundation of China · Natural Science Foundation for Young Scientists of Shanxi Province · Special Funds for the Basic Research and Development Program in the Central Non-profit Research Institutesof China

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