ICCAS OpenIR
Enhanced electroluminescence using polystyrene as a matrix
He, GF; Li, YF; Liu, J; Yang, Y
2002-06-03
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume80Issue:22Pages:4247-4249
AbstractPoly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] (MEH-PPV) blends with polystyrene (PS) were used as emitting layers in polymer light-emitting diodes. Studies of photoluminescence and electroluminescence (EL) of the blends indicate that interchain interactions were tremendously suppressed due to the dilution effect. The device of MEH-PPV/PS (50/50) shows much higher EL efficiency compared to pure MEH-PPV devices. Since there is neither energy transfer nor charge transfer involved in MEH-PPV/PS blends, the observed efficiency enhancement is mainly attributed to the suppressed interchain species, which are responsible for the low photoluminescence yields. In addition, the addition of PS into MEH-PPV improves the thermal stability of polymer thin films and reduces the sensitivity of device performance to processing conditions. (C) 2002 American Institute of Physics.
DOI10.1063/1.1480098
Indexed BySCI
Language英语
WOS IDWOS:000175771800055
PublisherAMER INST PHYSICS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78278
Collection中国科学院化学研究所
Corresponding AuthorYang, Y
Affiliation1.Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
2.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
He, GF,Li, YF,Liu, J,et al. Enhanced electroluminescence using polystyrene as a matrix[J]. APPLIED PHYSICS LETTERS,2002,80(22):4247-4249.
APA He, GF,Li, YF,Liu, J,&Yang, Y.(2002).Enhanced electroluminescence using polystyrene as a matrix.APPLIED PHYSICS LETTERS,80(22),4247-4249.
MLA He, GF,et al."Enhanced electroluminescence using polystyrene as a matrix".APPLIED PHYSICS LETTERS 80.22(2002):4247-4249.
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