A p-Type Quantum Dot/Organic Donor: Acceptor Solar-Cell Structure for Extended Spectral Response

Hsiang Yu Chen, Jianhui Hou, Smita Dayal, Lijun Huo, Nikos Kopidakis, Matthew C. Beard, Joseph M. Luther

Research output: Contribution to journalArticlepeer-review

19 Scopus Citations

Abstract

A coupled PbS quantum dot film and a PSBTBT:PCBM bulk heterojunction layer contribute comparable photocurrent in a new stacked solar-cell architecture with sensitivity in the near infrared and an efficiency >4%. With a focus on the energy level alignment between components, time-resolved microwave photoconductivity is used to elucidate the charge transport pathways for electrons and holes.

Original languageAmerican English
Pages (from-to)528-533
Number of pages6
JournalAdvanced Energy Materials
Volume1
Issue number4
DOIs
StatePublished - 2011

NREL Publication Number

  • NREL/JA-5900-51746

Keywords

  • conducting polymers
  • quantum dot

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