Stability Assessment on a 3% Bilayer PbS/ZnO Quantum Dot Heterojunction Solar Cell

Joseph M. Luther, Jianbo Gao, Matthew T. Lloyd, Octavi E. Semonin, Matthew C. Beard, Arthur J. Nozik

Research output: Contribution to journalArticlepeer-review

361 Scopus Citations

Abstract

We provide the first NREL-certified efficiency measurement on an all-inorganic, solutionprocessed, nanocrystal solar cell. The 3% efficient device is composed of ZnO nanocrystals and 1.3 eV PbS quantum dots with gold as the top contact. This configuration yields a stable device, retaining 95% of the starting efficiency after a 1000-hour light soak in air without encapsulation.

Original languageAmerican English
Pages (from-to)3704-3707
Number of pages4
JournalAdvanced Materials
Volume22
Issue number33
DOIs
StatePublished - 2010

NREL Publication Number

  • NREL/JA-590-48281

Keywords

  • quantum dots
  • semiconductor materials
  • solar cells

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