文献类型：期刊文献

英文题名：Activating Room-Temperature Phosphorescence of Organic Luminophores via External Heavy-Atom Effect and Rigidity of Ionic Polymer Matrix**

作者：Yan, Zi-Ang[1,2];Lin, Xiaohan[1,2];Sun, Siyu[1,2];Ma, Xiang[1,2];Tian, He[1,2]

机构：[1]East China Univ Sci & Technol, Key Lab Adv Mat, Meilong Rd 130, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Chem & Mol Engn, Feringa Nobel Prize Scientist Joint Res Ctr, Inst Fine Chem,Frontiers Sci Ctr Mat & Dynam Chem, Meilong Rd 130, Shanghai 200237, Peoples R China

年份：2021

卷号：60

期号：36

起止页码：19735

外文期刊名：ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

收录：;EI(收录号：20213210735986);WOS:【SCI-EXPANDED(收录号:WOS:000681752800001)】；

基金：The authors gratefully acknowledge the financial supported by the NSFC (21788102, 2212500537, 22020102006, and 21871083), Program of Shanghai Academic/Technology Research Leader (20XD1421300), "Shu Guang" project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation (19SG26), the Innovation Program of Shanghai Municipal Education Commission (2017-01-07-00-02-E00010) and Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：external heavy-atom effect; photophysics; polymers; room-temperature phosphorescence; supramolecular chemistry

摘要：Pure organic room-temperature phosphorescence (RTP) materials have attracted wide attention for their easy preparation, low toxicity, and applications in various fields like bioimaging and anti-counterfeiting. Developing phosphorescent systems with more universality and less difficulty in synthesis has long been the pursuit of materials scientists. By employing a polymeric quaternary ammonium salt with an ionic bonding matrix and heavy atoms, commercial fluorescent dyes are directly endowed with phosphorescence emission. In a single amorphous polymer, the external heavy-atom effect generates excited triplet states and the rigid polymer matrix stabilizes them. This study put forward a new general strategy to design and develop pure organic RTP materials starting from existing library of organic dyes without complicated chemical synthesis.