Journal of Industrial and Engineering Chemistry, Vol.17, No.4, 651-656, July, 2011
Study on the ClO4 doped PEDOT-PEG in organic solvent using a hole injection layer for PLEDs
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Perchlorate doped poly(3,4-ehylenedioxythiophene)-co-poly(ethyleneglycol) (PEDOT-PEG, AedotronTM C) was introduced as a hole injection layer in PLEDs. AedotronTM C layer, conductivity and PH were 0.1-2.0 S/cm and ~6.0, respectively, was laid between ITO and PEDOT:PSS. This layer prevented corrosion of the ITO transparent electrode by PSS and acted as an efficient electron blocking layer. Consequently, maximum brightness was increased to about 59% and the stability of the device was improved.
Keywords:Polymer light emitting diodes (PLEDs);Indium tin oxide (ITO);PEDOT:PSS;Perchlorate doped poly(3,4-ethylenedioxythiophene)-copoly(ethyleneglycol) (perchlorate doped PEDOT-PEG AedotronTM C)
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