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Controllable electrochemical synthesis and photovoltaic performance of ZnO/CdS core–shell nanorod arrays on fluorine-doped tin oxide

Authors
Journal
Journal of Power Sources
0378-7753
Publisher
Elsevier
Publication Date
Volume
207
Identifiers
DOI: 10.1016/j.jpowsour.2012.01.154
Keywords
  • Nanorod Arrays
  • Semiconductor-Sensitized Solar Cells
  • Electrodeposition
Disciplines
  • Chemistry
  • Physics

Abstract

Abstract High density and vertical ZnO/CdS core–shell nanorod arrays have been prepared directly on FTO substrates via a two-step electrochemical deposition process. The length of ZnO nanorods and loading of CdS can be readily tuned by modulating the electrodeposition time, which influences on the photovoltaic performances of quantum dot-sensitized solar cells based on the ZnO/CdS core–shell nanorod arrays. The power conversion efficiency of the solar cell based on a ZnO nanorod array of 6.8μm in length can achieve 1.07% with a Jsc of 5.42mAcm−2 and a Voc of 578mV under 100mWcm−2 of AM 1.5 G illumination.

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