Improving Photoelectrical Performance of a Dye Sensitized Solar Cell by Doping Rare-earth Oxide Y 2 O 3 :(Eu 3+ , Gd 3+ )

Author： Xie G.   Wu J.   Lin J.   Li Q.   Lan Z.   Xiao Y.   Yue G.   Ye H.   Huang M.  

Publisher： Taylor & Francis Ltd

ISSN： 1556-7036

Source： Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Vol.34, Iss.16, 2012-06, pp. : 1534-1540

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Abstract

Y2O3:(Eu3+,Gd3+) is introduced into a dye-sensitized solar cell. As a luminescence medium, Y2O3:(Eu3+,Gd3+) improves light harvest via conversion luminescence process and increases photocurrent; as a p-type dopant, Y2O3:(Eu3+,Gd3+) elevates photovoltage. The cell's light-to-electric energy conversion efficiency enhances 18.6% compared to the cell without Y2O3:(Eu3+,Gd3+) doping.

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