Tailored Highly Transparent Composite Hole-Injection Layer Consisting of Pedot:PSS and SiO2 Nanoparticles for Efficient Polymer Light-Emitting Diodes

Nanocomposite organic/inorganic compounds are used to fabricate thick, conductive and highly transparent layers, which are used as hole injection and transport layers in OLEDs. The composite layers consist of SiO2‐nanoparticles and the polymer PEDOT:PSS. The filling fraction of PEDOT:PSS in these t...

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Veröffentlicht in:	Advanced materials (Weinheim) 2011-02, Vol.23 (6), p.740-745
Hauptverfasser:	Riedel, Boris, Shen, Yuxin, Hauss, Julian, Aichholz, Markus, Tang, Xiaochen, Lemmer, Uli, Gerken, Martina
Format:	Artikel
Sprache:	eng
Schlagworte:	Bridged Bicyclo Compounds, Heterocyclic - chemistry Electrochemical Techniques Light Light management Light-emitting diodes Nanoparticles Nanoparticles - chemistry Nanoparticles - ultrastructure Organic light-emitting diodes Polymers - chemistry Polystyrenes - chemistry Scattering particles Silicon dioxide Silicon Dioxide - chemistry Waveguide modes
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Beschreibung
Zusammenfassung:	Nanocomposite organic/inorganic compounds are used to fabricate thick, conductive and highly transparent layers, which are used as hole injection and transport layers in OLEDs. The composite layers consist of SiO2‐nanoparticles and the polymer PEDOT:PSS. The filling fraction of PEDOT:PSS in these thick layers is reduced to 3.9%. OLEDs comprising such composite layers show an increased outcoupling efficiency.
ISSN:	0935-9648 1521-4095 1521-4095
DOI:	10.1002/adma.201003490