Photodegradation-Induced Turn-On Luminescence of Tetraphenylethylene-Based Trithiocarbonate Polymers†

被引：6
作者：
Shen, Hanchen [1 ,2 ]
Wu, Wenjie [1 ,2 ]
Liu, Shunjie [1 ,2 ]
Zhang, Jing [1 ,2 ,3 ]
Lam, Jacky W. Y. [1 ,2 ,4 ]
Tang, Ben Zhong [1 ,2 ,5 ,6 ,7 ]
机构：
[1] Hong Kong Univ Sci & Technol, Hong Kong Branch, Chinese Natl Engn Res Ctr Tissue Restorat & Recon, Dept Chem,Kowloon, Clear Water Bay, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Inst Adv Study, Clear Water Bay, Kowloon, Hong Kong, Peoples R China
[3] Southern Med Univ, Nanfang Hosp, Dept Lab Med, GuangGuangdongdong 510515, Guangzhou 510515, Guangdong, Peoples R China
[4] HKUST Shenzhen Res Inst, 9 Yuexing 1st RD,South Area Hitech Pk, Shenzhen 518057, Guangdong, Peoples R China
[5] South China Univ Technol, State Key Lab Luminescent Mat & Devices South, SCUT HKUST Joint Res Inst, Ctr Aggregat Induced Emiss, Guangdongdong 510640, Guangzhou 510640, Guangdong, Peoples R China
[6] Guangzhou Dev Dist, HKUST AIE Inst, Guangdongdong 510530, Guangzhou 510530, Guang, Peoples R China
[7] Hong Kong Univ Sci, Guangdong Hong Kong Macao Joint Lab Optoelect & M, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2021年 / 39卷 / 10期
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
Photochemistry; Trithiocarbonate polymers; Luminescence; Polymerization; Aggregation-induced emission; AGGREGATION-INDUCED EMISSION;
D O I：
10.1002/cjoc.202100247
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Main observation and conclusion Fluorescent intelligent materials have attracted wide attention because of their great potential applications. One major hurdle for the development and application of fluorescent intelligent materials is the aggregation-caused quenching effect in the solid state. Herein, tetraphenylethylene-based trithiocarbonate polymers with satisfactory molecular weights (M-w up to 24900) were synthesized through a one-pot polymerization route under mild conditions. The polymers were non-emissive due to the quenching effect of the trithiocarbonate group. However, upon UV irradiation, the polymers degraded and strong emission from the tetraphenylethylene unit was observed. Such a unique property endows them with great potential applications, such as photopatterning, anti-counterfeit labels, and UV detection.
引用
收藏
页码：2837 / 2842
页数：6
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