High efficiency air stable organic photovoltaics with an aqueous inorganic contact

High efficiency air stable organic photovoltaics with an aqueous inorganic contact

We report a ZnO interfacial layer based on an environmentally friendly aqueous precursor for organic photovoltaics. Inverted PCDTBT devices based on this precursor show power conversion efficiencies of 6.8-7%. Unencapsulated devices stored in air display prolonged lifetimes extending over 200 hours...

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Veröffentlicht in:Nanoscale 2015-09, Vol.7 (34), p.14241-14247
Hauptverfasser: Jayawardena, K D G Imalka, Li, Siying, Sam, Laurent F, Smith, Christopher T G, Beliatis, Michail J, Gandhi, Keyur K, Prabhath, M R Ranga, Pozegic, Thomas R, Chen, Sujie, Xu, Xiaoli, Dabera, G Dinesha M R, Rozanski, Lynn J, Sporea, Radu A, Mills, Christopher A, Guo, Xiaojun, Silva, S Ravi P
Format: Artikel
Sprache:eng
Schlagworte:
Contact
Devices
Energy conversion efficiency
Nanostructure
Photovoltaic cells
Precursors
Solar cells
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Zusammenfassung:We report a ZnO interfacial layer based on an environmentally friendly aqueous precursor for organic photovoltaics. Inverted PCDTBT devices based on this precursor show power conversion efficiencies of 6.8-7%. Unencapsulated devices stored in air display prolonged lifetimes extending over 200 hours with less than 20% drop in efficiency compared to devices based on the standard architecture.
ISSN:2040-3364
2040-3372
DOI:10.1039/c5nr01239b