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Title: Evaporation-free inverted organic photovoltaics using a mixture of silver nanoparticle ink formulations for solution-processed top electrodes
Authors: Georgiou, Efthymios 
Savva, Achilleas 
Neophytou, Marios 
Hermerschmidt, Felix 
Demosthenous, Tasos 
Choulis, Stelios A. 
Keywords: Polymer solar-cells
Back electrodes
Issue Date: 8-Dec-2014
Publisher: American Institute of Physics Inc.
Source: Applied Physics Letters, 2014, Volume 105, Issue 23, Article number 233901
Abstract: We report an investigation of inkjet-printed silver (Ag) nanoparticle inks combined with a poly(3, 4-ethylenedioxythiophene):poly(styrenesulfonate) formulation for solution-processed top electrodes in inverted organic photovoltaics (OPVs) employing the poly(3-hexylthiopehene):phenyl-C61-butyric acid methyl ester material system. We propose a suitable mixture of Ag nanoparticle inks to control the printability and electrical conductivity of the solution-processed top electrode. Based on the proposed solution-processed hole-selective contact, a power conversion efficiency in the range of 3% is reported for evaporation-free inverted OPVs.
ISSN: 00036951
Rights: © 2014 AIP Publishing LLC.
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