文献类型：期刊文献

英文题名：Synergetic enhancement of room-temperature phosphorescence via water molecules as a hydrogen bonding bridge

作者：Gao, Hao;Ding, Bingbing[1];Wang, Chao;Ma, Xiang[1]

机构：[1]East China Univ Sci & Technol, Key Lab Adv Mat, Feringa Nobel Prize Scientist Joint Res Ctr,Sch C, Frontiers Sci Ctr Materiobiol & Dynam Chem,Inst F, Shanghai 200237, Peoples R China; East China Univ Sci & Technol, Joint Int Res Lab Precis Chem & Mol Engn, Feringa Nobel Prize Scientist Joint Res Ctr,Sch C, Frontiers Sci Ctr Materiobiol & Dynam Chem,Inst F, Shanghai 200237, Peoples R China

年份：2021

卷号：9

期号：46

起止页码：16581

外文期刊名：JOURNAL OF MATERIALS CHEMISTRY C

收录：;EI(收录号：20215011308885);WOS:【SCI-EXPANDED(收录号:WOS:000717052400001)】；

基金：The work was supported by the National Natural Science Foundation of China (NSFC, no. 21788102, 22125803, 22020102006, and 21871083), the Shanghai Municipal Science and Technology Major Project (no. 2018SHZDZX03), the Program of Shanghai Academic/Technology Research Leader (no. 20XD1421300), the 'Shu Guang' Project supported by the Shanghai Municipal Education Commission and the Shanghai Education Development Foundation (no. 19SG26), the Innovation Program of Shanghai Municipal Education Commission (no. 2017-01-07-00-02 E00010) and the Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：Hydrogen bonds - Hydrogen - Molecules - Efficiency - Phosphorescence - Amorphous materials

摘要：Amorphous room-temperature phosphorescent (RTP) materials based on the copolymerization strategy have been widely recognized for their high efficiency, low cost and ease of preparation. However, the RTP efficiency of polyacrylamide copolymers is severely affected by water and oxygen. A further treatment is needed to stabilize the RTP properties of copolymer materials. This study introduces a facile secondary processing strategy using water molecules as a hydrogen bridge to synergetically suppress the non-radiative transition of triplet excitons. Both the RTP lifetime and quantum yield are stabilized and significantly improved, which expands the application field of polyacrylamide copolymer RTP materials.