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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549Photovoltaic Performance Improvement of...

Photovoltaic Performance Improvement of Dye-Sensitized Solar Cells (DSSCs) Based on Y-Doped TiO₂Thin Films

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Abstract:

Dye-sensitized solar cells based on Y-doped TiO₂ thin film prepared by the hydrothermal method show a photovoltaic efficiency of 5.11%, which is higher than that of the undoped TiO₂ thin film (4.72%). The Y-doped films exhibit an elevated electron Fermi level,which may enhance band bending to lower the density of empty trap states.Because of this Y-doping, the Dsscs can alleviate the decay of light to electric energy conversion efficiency due to light intensity reduction.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

264-267

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.264

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Online since:

April 2014

Authors:

Qiu Ping Liu

Keywords:

Dye-Sensitized Solar Cell, Photovoltaic Performance, Titanium Dioxide, Y-Doped

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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