ZnO Nanorods—A Backbone for PV's

Author: Briscoe Joe   Gallardo Diego E.   Dunn Steve  

Publisher: Taylor & Francis Ltd

ISSN: 0015-0193

Source: Ferroelectrics, Vol.420, Iss.1, 2011-01, pp. : 19-24

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Abstract

Conformal coating of ZnO nanorods with CdTe nanoparticles using layer-by-layer (LbL) processing produces a quantum dot-sensitised solar cell. Filling of the semiconductor composite structure with CuSCN provides the solar cell with a p-type semiconductor to collect the photogenerated holes. Annealing the CdTe-polymer coated nanorods lowers the series resistance of the cell by removing the polymer component of the film. A cell annealed at 350°C has a Jsc of 0.12 mAcm−2, and a Voc of 49 mV under 0.25 mW/cm2 illumination.