Improved Utilization of Photogenerated Charge Using Fluorine-Doped TiO2 Hollow Spheres Scattering Layer in Dye-Sensitized Solar Cells
ACS Applied Materials & Interfaces2012Vol. 4(7), pp. 3712–3717
Citations Over TimeTop 10% of 2012 papers
Abstract
We demonstrate a strategy to improve utilization of photogenerated charge in dye-sensitized solar cells (DSSCs) with fluorine-doped TiO2 hollow spheres as the scattering layer, which improves the fill factor from 69.4% to 74.1% and in turn results in an overall efficiency of photoanode increased by 13% (from 5.62% to 6.31%) in comparison with the control device using undoped TiO2 hollow spheres. It is proposed that the fluorine-doping improves the charge transfer and inhibition of charge recombination to enhance the utilization of the photogenerated charge in the photoanode.
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