Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/7548
Title: Highly efficient inverted organic photovoltaics using solution based titanium oxide as electron selective contact
Authors: Choulis, Stelios A. 
Waldauf, Christoph 
Morana, Mauro 
Keywords: Photovoltaic cells
Electrons
Morphology
Solar cells
Titanium oxides
Issue Date: 2006
Publisher: American Institute of Physics
Source: Applied physics letters, 2006, Volume 89, Issue 23, Pages 1-3
Abstract: The challenge to reversing the layer sequence of organic photovoltaics (OPVs) is to prepare a selective contact bottom cathode and to achieve a suitable morphology for carrier collection in the inverted structure. The authors report the creation of an efficient electron selective bottom contact based on a solution-processed titanium oxide interfacial layer on the top of indium tin oxide. The use of o -xylene as a solvent creates an efficient carrier collection network with little vertical phase segregation, providing sufficient performance for both regular and inverted solar cells. The authors demonstrate inverted layer sequence OPVs with AM 1.5 calibrated power conversion efficiencies of over 3%
URI: http://ktisis.cut.ac.cy/handle/10488/7548
ISSN: 0003-6951 (print)
1077-3118 (online)
DOI: 10.1063/1.2402890
Rights: © 2006 American Institute of Physics
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