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)peer-review

9 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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