Conjugated polyelectrolyte-assisted vacuum-free transfer-printing of silver nanowire network for top electrode of polymer light-emitting diodes

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We report vacuum-free transfer-printing of silver nanowire (AgNW) network film as a top electrode of polymer light-emitting diodes (PLEDs) using conjugated polyelectrolyte (CPE) interfacial layer. AgNW network is delivered from a donor substrate to the desired area of the devices through an elastomeric polydimethylsiloxane (PDMS) mold stamp. The application of CPE layer with an appropriate thickness on the surface of AgNW and light-emitting polymer (LEP) films provides not only good adhesion between the organic and metal layers but also lowering of the work-function of AgNW electrode for better electron injection at LEP/AgNW interface. PLEDs with laminated AgNW top electrode at the optimized condition show the maximum device efficiencies of 3.81 cd A(-1) and 2.99 Im W-1 at 4 V, which are comparable to those of PLEDs with Al cathode. (C) 2017 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2017-04
Language
English
Article Type
Article
Keywords

ORGANIC SOLAR-CELLS; TRANSPARENT CONDUCTORS; DEVICES; FABRICATION; EFFICIENCY; PHOTOVOLTAICS; STABILITY; PENTACENE; GRAPHENE; FILMS

Citation

ORGANIC ELECTRONICS, v.43, pp.64 - 69

ISSN
1566-1199
DOI
10.1016/j.orgel.2017.01.007
URI
http://hdl.handle.net/10203/223017
Appears in Collection
MS-Journal Papers(저널논문)
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