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    National Tsing Hua University Institutional Repository > 工學院  > 化學工程學系 > 期刊論文 >  Triplet exciton formation ratio in poly(p-phenylene-vinylene) light-emitting diode


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/39748


    Title: Triplet exciton formation ratio in poly(p-phenylene-vinylene) light-emitting diode
    Authors: L. C. Lin;H. F. Meng;J. T. Shy;S. F. Horng;L. S. Yu;C. H. Chen;H. H. Liaw;C. C. Huang;G. Y. Peng;S. A. Chen
    教師: 陳壽安
    Date: 2003
    Publisher: Elsevier
    Relation: Synthetic Metals, Elsevier, Volume 135-136, 4 April 2003, Pages 425-426
    Keywords: triplet exciton
    light-emitting-diode
    Abstract: ©2003 Elsevier - The triplet to singlet exciton formation ratio in a poly(2-methoxy-5(2'-ethyl-hexyloxy)-1,4-phenylene vinylene) (MEH-PPV) light-emitting-diode is measured by comparing the triplet induced-absorptions with optical and electric excitations at same singlet exciton density. The ratio is a strong universal decreasing function of the averaged electric field. Using 4 ns for singlet to triplet intersystem crossing time, the ratio is significantly larger than the spin-statistics value 3 at intermediate field but is reduced to about 1 for higher field.
    URI: http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/handle/987654321/39748
    Appears in Collections:[化學工程學系] 期刊論文

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