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Issue 14, 2012
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Charge transport in photocathodes based on the sensitization of NiO nanorods

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Abstract

Crystalline NiO nanorods with average diameters of sub-10 nm were fabricated through a classical nanocasting process, using mesoporous SiO2 as a template. Mesoporous NiO films utilizing these nanorods, compared to films prepared from commercial NiO nanoparticles, had similar surface area but narrower pore size distribution. When used as dye-sensitized photocathodes, NiO nanorod films improved the fill factor to 0.42 and enhanced photovoltage to 300 mV under full sun illumination. An overall efficiency of 0.4% was achieved with a thin photocathode film of approximately 1.7 μm thickness which presents an over 30% enhancement when compared with the p-type DSC using the same thickness of commercial nanoparticles.

Graphical abstract: Charge transport in photocathodes based on the sensitization of NiO nanorods

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Supplementary files

Article information


Submitted
30 Nov 2011
Accepted
29 Jan 2012
First published
01 Mar 2012

J. Mater. Chem., 2012,22, 7005-7009
Article type
Paper

Charge transport in photocathodes based on the sensitization of NiO nanorods

X. L. Zhang, Z. Zhang, F. Huang, P. Bäuerle, U. Bach and Y. Cheng, J. Mater. Chem., 2012, 22, 7005
DOI: 10.1039/C2JM16264D

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