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题名: Reduction of the singlet-triplet energy gap of a thermally activated delayed fluorescence emitter by molecular interaction between the host and the emitter
作者: Xie, L.1, 2; Han, G.3, 4; Chen, Y.1, 4; Wang, H.1, 5; Kong, X.1, 4; Wei, X.1, 4; Liu, J.1, 4; Yi, Y.3, 4; Chen, B.2; Wang, P.1, 4; Wang, Y.1, 4
刊名: JOURNAL OF MATERIALS CHEMISTRY C
发表日期: 2016
卷: 4, 期:46, 页:10776-10780
收录类别: SCI
英文摘要: We reported the comparative effect of 1,3-bis(9H-carbazol-9-yl) benzene (mCP) and 1,3,5-tris(N-phenylbenzimidazole-2-yl) benzene (TPBI) hosts on the PL characteristics of 2-phenyl-4'-carbazole-9H-thioxanthen- 9-one-10,10-dioxide (TXO-PhCz). Strong interaction between TXO-PhCz and TPBI can be observed, leading to the lower singlet-triplet energy gap of 8.8 meV and non-monotonic increase of Phi(Totle), Phi(D), and Phi(P) with temperature. OLEDs based on TXO-PhCz: TPBI films afford a maximum current efficiency of 71.9 cd A(-1), a maximum power efficiency of 45.2 lm W-1, and a maximum EQE of 23.2%.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36526
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China
2.Beijing Univ Chem Technol, Coll Life Sci & Technol, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710069, Peoples R China
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