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High efficiency air stable organic photovoltaics with an aqueous inorganic contact

Research output: Contribution to journalArticle

  • 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. Pozegichttp://orcid.org/0000-0003-1707-4420
  • Sujie Chen
  • Xiaoli Xu
  • G. Dinesha M R Dabera
  • Lynn J. Rozanski
  • Radu A. Sporea
  • Christopher A. Mills
  • Xiaojun Guo
  • S. Ravi P Silva
Original languageEnglish
Pages (from-to)14241-14247
Number of pages7
JournalNanoscale
Volume7
Issue number34
DOIs
DatePublished - 14 Sep 2015

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.

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