Tunable emission of a tetraphenylethylene copolymer via polymer matrix assisted and aggregation-induced emission
文献信息
发布日期
2017-07-25
DOI
10.1039/C7PY01013C
影响因子
5.582
作者
Chengjie Zhang, Xuyang Yao, Jie Wang, Xiang Ma
查看原文
摘要
A novel polyacrylamide (PAM) copolymer possessing tetraphenylethylene (TPE) AIEgens was synthesized, which exhibited tunable fluorescence emission under different solvent conditions. Different from traditional AIEgens showing strong fluorescence in poor solvents but relatively weak emission in good solvents, the present polymers are emissive under both circumstances. The mechanism was due to the fact that hydrogen bonding in the copolymer matrix played an important role in providing a rigid environment and blocking the non-radiative pathway thereby strengthening fluorescence emission under certain conditions. The different solution ratios of H2O/DMF had a great impact on the fluorescence intensity of the polymer. Moreover, the ternary copolymer incorporating Rhodamine B (RhB) and TPE into the PAM exhibited tunable and multicolor emissions including a white-light one in solvents with various ratios of H2O/DMF.
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来源期刊
Polymer Chemistry
CiteScore:
8.6
自引率:
7.3%
年发文量:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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