ICCAS OpenIR
Carrier transport and high-efficiency electroluminescence properties of copolymer thin films
Chen, BJ; Liu, YQ; Lee, CS; Yu, G; Lee, ST; Li, HY; Gambling, WA; Zhu, DB; Tian, H; Zhu, WH
2000-03-01
Source PublicationTHIN SOLID FILMS
ISSN0040-6090
Volume363Issue:1-2Pages:173-177
AbstractA novel copolymer with moieties capable of charge transport and electroluminescence was synthesized. The drift mobilities of electron and hole in the spin-coated films of the copolymer on silicon substrate have been determined by the time-of-flight technique. The shape of the photo-current curves obtained for the transport of both electron and hole is typical for dispersive transport in organic polymers. Under an electrical field strength of 5.0 x 10(5) V/cm, the drift mobility of electron and hole is 4.78 x 10(-6) and 3.46 x 10(-6) cm(2)/V s, respectively. A high-efficiency electroluminescent device with the bi-layer structure of ITO/copolymer/2-(4-biphenylyl)-5-(4-tert-butylphenl)-1,3,4-oxadiazole (PBD) /LiF/Al was fabricated. The device emitted a bright blue-green light peaking at wavelength of 496 nm, originating from copolymer with a maximum current efficiency of 10 cd/A and a maximum luminescence efficiency of 2.9 lm/W at the DC drive voltage of 12 V. (C) 2000 Elsevier Science S.A. All rights reserved.
KeywordCarriers Mobility Time-of-flight Organic Electroluminescent Devices Efficiency
Indexed BySCI
Language英语
WOS IDWOS:000085664000045
PublisherELSEVIER SCIENCE SA
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76408
Collection中国科学院化学研究所
Corresponding AuthorLee, ST
Affiliation1.City Univ Hong Kong, Ctr Super Diamond & Adv Films, Hong Kong, Hong Kong, Peoples R China
2.City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
3.City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
4.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
5.E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
Recommended Citation
GB/T 7714
Chen, BJ,Liu, YQ,Lee, CS,et al. Carrier transport and high-efficiency electroluminescence properties of copolymer thin films[J]. THIN SOLID FILMS,2000,363(1-2):173-177.
APA Chen, BJ.,Liu, YQ.,Lee, CS.,Yu, G.,Lee, ST.,...&Zhu, WH.(2000).Carrier transport and high-efficiency electroluminescence properties of copolymer thin films.THIN SOLID FILMS,363(1-2),173-177.
MLA Chen, BJ,et al."Carrier transport and high-efficiency electroluminescence properties of copolymer thin films".THIN SOLID FILMS 363.1-2(2000):173-177.
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