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Journal article

Flexible ITO-free organic solar cells applying aqueous solution-processed V2O5 hole transport layer: An outdoor stability study

From

Universidade Federal do Ceará1

Department of Energy Conversion and Storage, Technical University of Denmark2

Functional organic materials, Department of Energy Conversion and Storage, Technical University of Denmark3

Autonomous University of Barcelona4

Universidade Estadual do Centro Oeste5

Solution processable semiconductor oxides have opened a new paradigm for theenhancement of the lifetime of thin film solar cells. Their fabrication by low-costand environmentally friendly solution-processable methods makes them ideal barrier(hole and electron) transport layers. In this work, we fabricate flexible ITO-freeorganic 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 configuration was 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.

Language: English
Publisher: AIP Publishing LLC
Year: 2016
ISSN: 2166532x
Types: Journal article
DOI: 10.1063/1.4942638
ORCIDs: Beliatis, Michail J. , 0000-0003-0180-1443 , 0000-0002-7856-1153 , 0000-0002-6172-805X , Gevorgyan, Suren , 0000-0002-3393-7436 and Krebs, Frederik C

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