Self-assembled, nanowire network electrodes for depleted bulk heterojunction solar cells

Xinzheng Lan, Jing Bai, Silvia Masala, Susanna M. Thon, Yuan Ren, Illan J. Kramer, Sjoerd Hoogland, Arash Simchi, Ghada I. Koleilat, Daniel Paz-Soldan, Zhijun Ning, André J. Labelle, Jin Young Kim, Ghassan Jabbour*, Edward H. Sargent

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

108 Scopus citations


Herein, a solution-processed, bottom-up-fabricated, nanowire network electrode is developed. This electrode features a ZnO template which is converted into locally connected, infiltratable, TiO2 nanowires. This new electrode is used to build a depleted bulk heterojunction solar cell employing hybrid-passivated colloidal quantum dots. The new electrode allows the application of a thicker, and thus more light-absorbing, colloidal quantum dot active layer, from which charge extraction of an efficiency comparable to that obtained from a thinner, planar device could be obtained.

Original languageEnglish (US)
Pages (from-to)1769-1773
Number of pages5
JournalAdvanced Materials
Issue number12
StatePublished - Mar 25 2013


  • colloidal quantum dots
  • depleted bulk heterojunction
  • nanowire networks
  • self-assembly
  • solution-processed photovoltaics

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • General Materials Science


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