文献类型：期刊文献

中文题名：Red-light excited efficient metal-free near-infrared room-temperature phosphorescent films

作者：Siyu Sun[1];Liangwei Ma[1];Jie Wang[1];Xiang Ma[1];He Tian[1]

机构：[1]Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center,Frontiers Science Center for Materiobiology and Dynamic Chemistry,School of Chemistry and Molecular Engineering,East China University of Science and Technology,Shanghai 200237,China

年份：2022

卷号：9

期号：2

起止页码：65

中文期刊名：National Science Review

外文期刊名：国家科学评论（英文版）

收录：CSTPCD;;Scopus;CSCD:【CSCD2021_2022】；PubMed;

基金：supported by the National Natural Science Foundation of China (21788102, 22125803, 22020102006, 21871083 and 21722603);the Shanghai Municipal Science and Technology Major Project (2018SHZDZX03);the Program of Shanghai Academic/Technology Research Leader (20XD1421300);the ‘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)

语种：英文

中文关键词：amorphous metal-free phosphorescence;near-infrared phosphorescence;visible light excitation;phenolsulfonphthaleine derivatives;half-subtractor

摘要：A set of red-light-excited,metal-free room-temperature phosphorescence(RTP)systems was constructed with brominated phenolsulfonephthaleine derivatives.The best metal-free RTP system has the reddest near-infrared(NIR)RTP emission(λ_(p)=819 nm)with the highest phosphorescence quantum yield(Φ_(RTP)=3.0%)so far identified.The RTP emission can be switched ON-OFF by adding acid and alkali alternately.A logic operation with half-subtractor function and dual-channel response(visible light emission/NIR RTP emission)was also constructed based on these properties.