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作 者:Guohua Xie Liming Ding 谢国华;丁黎明(Sauvage Center for Molecular Sciences, Hubei Key Laboratory on Organic and Polymeric Optoelectronic Materials, Department of Chemistry, Wuhan University;Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology)
机构地区:[1]Sauvage Center for Molecular Sciences,Hubei Key Laboratory on Organic and Polymeric Optoelectronic Materials,Department of Chemistry,Wuhan University,Wuhan 430072,China [2]Center for Excellence in Nanoscience(CAS),Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS),National Center for Nanoscience and Technology,Beijing 100190,China
出 处:《Science Bulletin》2020年第21期1780-1782,共3页科学通报(英文版)
基 金:the financial support from the National Key Research and Development Program of China(2016YFB0401002);the National Natural Science Foundation of China(51873159);the National Natural Science Foundation of China(51773045,21772030,51922032 and 21961160720);the Fundamental Research Funds for the Central Universities of China(2042019kf0234);the financial support from the National Key Research and Development Program of China(2017YFA0206600)。
摘 要:The excitons in organic semiconductors undergo either radiative or non-radiative decay after excitation.Unlike the singlets in the fluorescence counterparts,the triplets in the heavy-metal based phosphorescent emitter,thermally activated delayed fluorescence emitter with a small singlet-triplet gap,and metal-free room-temperature phosphorescence emitter with strong spinorbital coupling,respectively,could be feasibly harvested for photon generation, which are responsible for the theoretical 100% internal quantum efficiency.The excitons in organic semiconductors undergo either radiative or non-radiative decay after excitation.Unlike the singlets in the fluorescence counterparts,the triplets in the heavy-metal based phosphorescent emitter,thermally activated delayed fluorescence emitter with a small singlet-triplet gap,and metal-free room-temperature phosphorescence emitter with strong spinorbital coupling,respectively,could be feasibly harvested for photon generation,which are responsible for the theoretical 100%internal quantum efficiency.
关 键 词:excitation. RADIATIVE efficiency.
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