High efficiency air stable organic photovoltaics with an aqueous inorganic contact

K. D G Imalka Jayawardena, Siying Li, Laurent F. Sam, Christopher T G Smith, Michail J. Beliatis, Keyur K. Gandhi, M. R Ranga Prabhath, Thomas R. Pozegic, Sujie Chen, Xiaoli Xu, G. Dinesha M R Dabera, Lynn J. Rozanski, Radu A. Sporea, Christopher A. Mills, Xiaojun Guo*, S. Ravi P Silva

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

5 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)14241-14247
Number of pages7
JournalNanoscale
Volume7
Issue number34
DOIs
Publication statusPublished - 14 Sep 2015

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  • Cite this

    Jayawardena, K. D. G. I., Li, S., Sam, L. F., Smith, C. T. G., Beliatis, M. J., Gandhi, K. K., Prabhath, M. R. R., Pozegic, T. R., Chen, S., Xu, X., Dabera, G. D. M. R., Rozanski, L. J., Sporea, R. A., Mills, C. A., Guo, X., & Silva, S. R. P. (2015). High efficiency air stable organic photovoltaics with an aqueous inorganic contact. Nanoscale, 7(34), 14241-14247. https://doi.org/10.1039/c5nr01239b