Applied Physics A

, Volume 88, Issue 1, pp 173–178

Layer-by-layer Au nanoparticles as a Schottky barrier in a water-based dye-sensitized solar cell

Rapid communication

Abstract

We fabricated layer-by-layer gold nanoparticles (Au NPs) onto an electrode as a Schottky barrier in a water-based dye-sensitized solar cell. The Maxwell–Garnett equation was used to fit the characteristics of the Au film. The short-circuit current for four layers of Au NPs in a water-based dye-sensitized solar cell (DSSC) ranges from 2.76 mA/cm2 to 5.96 mA/cm2, which is due to the Schottky barrier reducing the number of electrons going from the semiconductor back to either the dye or the electrolyte. The efficiency of photo-electric conversion for four layers of Au NPs in water-based DSSC can be enhanced from 0.26% up to 0.95%.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Y.H. Su
    • 1
  • W.H. Lai
    • 1
  • L.G. Teoh
    • 2
  • M.H. Hon
    • 1
  • J.L. Huang
    • 1
  1. 1.Department of Materials Science and EngineeringNational Cheng Kung UniversityTainanR.O.C.
  2. 2.Department of Mechanical EngineeringNational Pingtung University of Science and TechnologyPingtungR.O.C.

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