Article

Electrophoretic Deposition of a Reduced Graphene–Au Nanoparticle Composite Film as Counter Electrode for CdS Quantum Dot-Sensitized Solar Cells

  1. Guang Zhu,
  2. Prof. Dr. Likun Pan*,
  3. Hengchao Sun,
  4. Xinjuan Liu,
  5. Tian Lv,
  6. Ting Lu,
  7. Jie Yang,
  8. Prof. Dr. Zhuo Sun

Article first published online: 9 FEB 2012

DOI: 10.1002/cphc.201100861

Issue

ChemPhysChem

ChemPhysChem

Volume 13, Issue 3, pages 769–773, February 2012

Additional Information

How to Cite

Zhu, G., Pan, L., Sun, H., Liu, X., Lv, T., Lu, T., Yang, J. and Sun, Z. (2012), Electrophoretic Deposition of a Reduced Graphene–Au Nanoparticle Composite Film as Counter Electrode for CdS Quantum Dot-Sensitized Solar Cells. ChemPhysChem, 13: 769–773. doi: 10.1002/cphc.201100861

Author Information

  1. Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, 200062 (China) address:

*Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, Department of Physics, East China Normal University, Shanghai, 200062 (China) address:

Publication History

  1. Issue published online: 21 FEB 2012
  2. Article first published online: 9 FEB 2012
  3. Manuscript Received: 28 OCT 2011

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Keywords:

  • electrophoresis;
  • energy conversion;
  • gold nanoparticles;
  • graphene;
  • quantum dots

Abstract

A reduced graphene (RG)-Au nanoparticle composite film is successfully fabricated by electrophoretic deposition and used as counter electrode for quantum dot-sensitized solar cells. The RG-Au composite is prepared by one-step microwave-assisted reduction of chloroaurate in alkaline solution with graphite oxide dispersion. Under one sun illumination (AM 1.5 G, 100 mW cm−2), the cell with a RG-Au counter electrode shows an energy conversion efficiency of 1.36 %, which is higher than those of cells employing conventional Pt or Au counter electrodes, due to the superior combination of highly catalytic Au nanoparticles and the conductive graphene network structure.

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