Universitat Autònoma de Barcelona
Solution processable semiconductor oxides have opened a new paradigm for the enhancement of the lifetime of thin film solar cells. Their fabrication by low-cost and environmentally friendly solution-processable methods makes them ideal barrier (hole and electron) transport layers. In this work, we fabricate flexible ITO-free organic solar cells (OPV) by printing methods applying an aqueous solution-processed V2O5 as the hole transport layer (HTL) and compared them to devices applying PEDOT:PSS. The transparent conducting electrode was PET/Ag/PEDOT/ZnO, and the OPV configurationwas PET/Ag/PEDOT/ZnO/P3HT:PC60BM/HTL/Ag. Outdoor stability analyses carried out for more than 900 h revealed higher stability for devices fabricated with the aqueous solution-processed V2O5.
English
Hole transport layers; Semiconductor oxides; Solution processable; Solution-processed; Stability analysis; Stability study; Transparent conducting electrodes; Transport layers
Ministerio de Economía y Competitividad SEV-2013-0295
Ministerio de Economía y Competitividad ENE2013-48816-C5-4-R
Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-1212
European Commission 262533
APL materials ; Vol. 4, Issue 2 (February 2016), art. 026104
open access
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