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

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

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. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)1769-1773
Number of pages5
JournalAdvanced Materials
Issue number12
StatePublished - Jan 6 2013

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-11-009-21
Acknowledgements: This publication is based, in part, on work supported by Award KUS-11-009-21, made by King Abdullah University of Science and Technology (KAUST), by the Ontario Research Fund Research Excellence Program, and by the Natural Sciences and Engineering Research Council (NSERC) of Canada. We thank Angstrom Engineering Inc. and Innovative Technology Inc. for useful discussions regarding material deposition methods and control of the glovebox environment, respectively. The authors thank Dr. Xihua Wang for great discussions; and Dr. Jun Pan, E. Palmiano, R. Wolowiec, and D. Kopilovic for assistance during the course of study. X. L. would like to acknowledge a scholarship from the China Scholarship Council (CSC). G.J. would like to thank the GCR program at KAUST for funding.

ASJC Scopus subject areas

  • Mechanics of Materials
  • General Materials Science
  • Mechanical Engineering


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