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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Enhance current injection of organic light emitting diodes by inserting an organic superlattice

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83593

    Title: Enhance current injection of organic light emitting diodes by inserting an organic superlattice
    Authors: Yu-Hung Cheng;Kang-Yi Lin;Ming-Chang M. Lee
    教師: 李明昌
    Date: 2009
    Publisher: Elsevier
    Relation: Thin Solid Films, Elsevier, Volume 517, Issue 9, 2 March 2009, Pages 2959–2962
    Keywords: OLEDs
    Thermal annealing
    Abstract: Poor electron injection is a great concern for organic light emitting diodes (OLEDs). In order to improve the electron mobility, inserting organic superlattice structures in the electron transport layer was investigated in conventional OLEDs configuration. The superlattices are composed of alternating tris(8-hydroxyquinoline aluminium (Alq3) and copper phthalocyanine (CuPc) thin films, which are used as electron and hole injection layers. Experimental results show superlattices with a 6-nm period have the largest injected current. Reduction of turn-on voltage and resistance of superlattice OLEDs were also observed. After thermal annealing, the current-voltage characteristic changes and shows the possibility of layer intermixing in organic superlattices.
    Relation Link: http://www.elsevier.com/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83593
    Appears in Collections:[電機工程學系] 期刊論文
    [奈微與材料科技中心] 期刊論文
    [光電工程研究所] 期刊論文
    [奈米工程與微系統研究所] 期刊論文

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