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Dye-sensitized solar cells based on sno2 nanorod and surface treatment with MG(II) film

Bai J., Murakami K.

Journal of Automation Mobile Robotics and Intelligent Systems

2009

Vol. 3, No. 4

69-71

Homocentrically grown SnO2 nanorods were synthesized by a hydrothermal method, whose diameter and length are around 20 nm and 100-200 nm, respectively. The photovoltaic properties of dye-sensitized SnO and MgO-treated SnO2 films were investigated. A light-to-electricity conversion yield of 0.8% was achieved by applying the nanorods as a thin film layer for the dye-sensitized solar cells. Treatment with MgO on SnO2 surface improves the photovoltage, fill factor and cell efficiency owing to preventing a recombination of the electrons injected into SnO with acceptors in the electrolyte.