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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 >  Multilayer polymer light-emitting diodes by blade coating method


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71561


    Title: Multilayer polymer light-emitting diodes by blade coating method
    Authors: Shin-Rong Tseng;Hsin-Fei Meng;Kuan-Chen Lee;Sheng-Fu Horng
    教師: 洪勝富
    Date: 2008
    Publisher: American Institute of Physics
    Relation: Applied Physics Letters, American Institute of Physics, Volume 93, Issue 15, 2008, Pages 153308 (3 pages)
    Keywords: coating techniques
    multilayers
    organic light emitting diodes
    polymer blends
    polymer films
    scanning electron microscopy
    spin coating
    Abstract: Multilayer polymer light-emitting diodes fabricated by blade coating are presented. Multilayer of polymers can be easily deposited by blade coating on a hot plate. The multilayer structure is confirmed by the total thickness and the cross section view in the scanning electron microscope. The film thickness variation is only 3.3% in 10 cm scale and the film roughness is about 0.3 nm in the micron scale. The efficiency of single layer poly(para-phenylene vinylene) copolymer Super Yellow and poly(9,9-dioctylfluorene) (PFO, deep blue) devices are 9 and 1.7 cd/A, respectively, by blade coating. The efficiency of the PFO device is raised to 2.9 cd/A with a 2-(4-tert-butylphenyl)-5-(4-biphenylyl)-1,3,4-oxadiazole (PBD) hole-blocking layer and to 2.3 cd/A with a poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(4,4′-(N-(4-sec-butylphenyl))diphenylamine)] elec-tron-blocking layer added by blade coating.
    Relation Link: http://www.aip.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71561
    Appears in Collections:[電機工程學系] 期刊論文

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