Stretchable and Flexible Room-Temperature Phosphorescence Copolymers Based on Microphase Separation

Huan Chen; Zhao Qian; Hu-Jun Qian; Mengyang Dong; Yuanyuan Zhang; Jingyi Shan; Wenguang Huo; Anqi Lv; Jingjing Guo; Huili Ma; Zhongfu An; Wei Huang; Long Gu

doi:10.1021/acs.chemmater.4c00307

journal article·2024-05-28

Stretchable and Flexible Room-Temperature Phosphorescence Copolymers Based on Microphase Separation

Huan Chen, Zhao Qian, Hu-Jun Qian, Mengyang Dong, Yuanyuan Zhang, Jingyi Shan, Wenguang Huo, Anqi Lv, Jingjing Guo, Huili Ma, Zhongfu An, Wei Huang, Long Gu

Chemistry of Materials· Volume 36· Issue 10

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Source abstract

Abstract

Polymer-based room-temperature phosphorescence (RTP) materials are of rapidly growing interest in organic photoelectronics. However, traditional RTP polymers exhibit poor stretchability due to the limitations of typical design rules. Solving the conflict between RTP performance and stretchability and achieving a stretchable RTP polymer is a great challenge. Herein, we develop a feasible strategy for achieving stretchable RTP materials by designing block copolymers and self-assembling them into microphase separation structures. The hard dispersed phases of the copolymer ensure RTP performance, while the continued soft phases determine their stretchability. Impressively, the resulting copolymers exhibit a maximum stretchability of up to 667% and a phosphorescence lifetime of 728 ms. We also developed stretchable circularly polarized organic phosphorescence materials based on this strategy. Given the material’s flexibility and long-lived emission, potential applications in anticounterfeiting and flexible displays were also demonstrated. This work improves the mechanical performance of RTP polymers and paves the way to design flexible multifunctional materials for advanced applications.

Source: openalex_inverted_index · Quality: baseline

Research context

Polymers

OpenAlex topics: Luminescence and Fluorescent Materials · Organic Electronics and Photovoltaics · Organic Light-Emitting Diodes Research

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

Affiliations

Frontiers Science Center for Flexible Electronics (FSCFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi’an 710072, China

State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China

School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore

Key laboratory of Flexible Electronics of Zhejiang Province, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo 315103, China

Funding

Natural Science Foundation of Ningbo Municipality · Basic and Applied Basic Research Foundation of Guangdong Province · National Natural Science Foundation of China · Natural Science Foundation of Shaanxi Province · Natural Science Foundation of Zhejiang Province

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