Near-Infrared-Excitable Organic Ultralong Phosphorescence through Multiphoton Absorption

查看全文 作　　者：Ye [1]Tao;Lele [1]Tang;Qi [2]Wei;Jibiao [1]Jin;Wenbo [1]Hu;Runfeng [1]Chen;Qingqing [1]Yang;Huanhuan [1]Li;Ping [1]Li;Guichuan [2]Xing;Quli [1]Fan;Chao [1]Zheng;Wei [1,3]Huang

机构地区：[1]Key Laboratory for Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors,Institute of Advanced Materials(IAM),Nanjing University of Posts&Telecommunications,9 Wenyuan Road,Nanjing 210023,China;[2]Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macao,Avenida da Universidade,Taipa,Macao 999078,China;[3]Frontiers Science Center for Flexible Electronics(FSCFE),MIIT Key Laboratory of Flexible Electronics(KLoFE),Shaanxi Key Laboratory of Flexible Electronics,Xi’an Key Laboratory of Flexible Electronics,Xi’an Key Laboratory of Biomedical Materials&Engineering,Xi’an Institute of Flexible Electronics,Institute of Flexible Electronics(IFE),Northwestern Polytechnical University,Xi’an,710072 Shaanxi,China

出　　处：《Research》索引2020年第1期,共12页

基　　金：This work was financially supported in part by the National Natural Science Foundation of China(21772095,21704042,91833306,61875090,21674049,61904152,and 21604039);the Six Talent Plan of Jiangsu Province(XCL-049);the 333 High-Level Talents Training Project of Jiangsu Province(BRA2019080);the Natural Science Fund for Colleges and Universities in Jiangsu Province(19KJA180005);the 1311 Talents Program of Nanjing University of Posts and Telecommunications(Dingfeng and Dingshan);the China Postdoctoral Science Foundation project(2018M642284);the Nanjing University of Posts and Telecommunications Start-up Fund(NUPTSF)(NY219007,NY217140,and NY219160);the Science and Technology Innovation Project for Overseas Students in Nanjing. 摘　　要：Organic ultralong room-temperature phosphorescence(OURTP)with a long-lived triplet excited state up to several seconds has triggered widespread research interests,but most OURTP materials are excited by only ultraviolet(UV)or blue light owing to their unique stabilized triplet-and solid-state emission feature.Here,we demonstrate that near-infrared-(NIR-)excitable OURTP molecules can be rationally designed by implanting intra/intermolecular charge transfer(CT)characteristics into Haggregation to stimulate the efficient nonlinear multiphoton absorption(MPA).The resultant upconverted MPA-OURTP show ultralong lifetimes over 0.42 s and a phosphorescence quantum yield of~37%under both UV and NIR light irradiation.Empowered by the extraordinary MPA-OURTP,novel applications including two-photon bioimaging,visual laser power detection and excitation,and lifetime multiplexing encryption devices were successfully realized.These discoveries illustrate not only a delicate design map for the construction of NIR-excitable OURTP materials but also insightful guidance for exploring OURTP-based nonlinear optoelectronic properties and applications. 关键词：EXCITED PHOTON INFRARED

相关文献

参考文献（45）
引证文献（2）
耦合文献（0）

参考文献(45)

引证文献(2)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Near-Infrared-Excitable Organic Ultralong Phosphorescence through Multiphoton Absorption

参考文献(45)

引证文献(2)

用户提示