Red‐Shifted Luminescence of Acrylonitrile‐Containing Copolymers: A Matter of One Methyl Unit
Red‐Shifted Luminescence of Acrylonitrile‐Containing Copolymers: A Matter of One Methyl Unit
复制标题
DOI：
10.1002/marc.202300666
复制
发表时间：
2024
期刊：
影响因子：
--
通讯作者：
Tao Wen
中科院分区：
文献类型：
--
作者：
Xinyu Li;Junhao Dai;Rui Zhang;Tao Wen
AbstractCopolymerization provides an effective approach to tune the photophysical properties of non‐conventional luminescent polymers (NCLPs). In this study, we reveal the controlling of intrinsic emissions of polyacrylonitrile (PAN) copolymers by a delicate difference of secondary monomers. The introducing of methacrylate comonomers can induce a 70‐nm red‐shifting on the PL emission of copolymers compared with that of acrylate‐containing copolymers. The mechanism of such “copolymerization induced red‐shifting” in PAN copolymers was investigated. It is demonstrated that the presence of α‐methyl group in the copolymers can enhance the chain rigidity and through‐space conjugation (TSC) of C≡N groups, resulting in the red‐shifting of emission.This article is protected by copyright. All rights reserved
