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

Y. H. Su; W. H. Lai; L. G. Teoh; M. H. Hon; J. L. Huang

doi:10.1007/s00339-007-3988-7

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

Y. H. Su, W. H. Lai, L. G. Teoh, M. H. Hon, J. L. Huang

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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%.

Original language	English
Pages (from-to)	173-178
Number of pages	6
Journal	Applied Physics A: Materials Science and Processing
Volume	88
Issue number	1
DOIs	https://doi.org/10.1007/s00339-007-3988-7
Publication status	Published - 2007 Jul

All Science Journal Classification (ASJC) codes

General Chemistry
General Materials Science

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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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AU - Su, Y. H.

AU - Lai, W. H.

AU - Teoh, L. G.

AU - Hon, M. H.

AU - Huang, J. L.

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

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