Depleted bulk heterojunction colloidal quantum dot photovoltaics

D. Aaron R. Barkhouse*, Ratan Debnath, Illan J. Kramer, David Zhitomirsky, Andras G. Pattantyus-Abraham, Larissa Levina, Lioz Etgar, Michael Grätzel, Edward H. Sargent

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

215 Scopus citations

Abstract

The first solution-processed depleted bulk heterojunction colloidal quantum dot solar cells are presented. The architecture allows for high absorption with full depletion, thereby breaking the photon absorption/carrier extraction compromise inherent in planar devices. A record power conversion of 5.5% under simulated AM 1.5 illumination conditions is reported.

Original languageAmerican English
Pages (from-to)3134-3138
Number of pages5
JournalAdvanced Materials
Volume23
Issue number28
DOIs
StatePublished - 26 Jul 2011
Externally publishedYes

Keywords

  • bulk heterojunction
  • quantum dots
  • solar cells
  • titanium dioxide

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