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Synthesis and photovoltaic effect of vertically aligned ZnO/ZnS core/shell nanowire arrays

A vertically aligned ZnO/ZnS core/shell nanowire array with type II band alignment was directly synthesized on an indium-tin-oxide glass substrate and the photovoltaic effect of the nanowire array was investigated. The epitaxial relationship, wurtzite (0001) matching zinc-blende (111), was observed...

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Published in:Applied physics letters 2010-03, Vol.96 (12), p.123105-123105-3
Main Authors: Wang, K., Chen, J. J., Zeng, Z. M., Tarr, J., Zhou, W. L., Zhang, Y., Yan, Y. F., Jiang, C. S., Pern, J., Mascarenhas, A.
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cited_by cdi_FETCH-LOGICAL-c346t-b17b05655ab9338e9c9f07ce6379ab848cd270af9cabc5acca114d3afaf4e92c3
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container_end_page 123105-3
container_issue 12
container_start_page 123105
container_title Applied physics letters
container_volume 96
creator Wang, K.
Chen, J. J.
Zeng, Z. M.
Tarr, J.
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Zhang, Y.
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Pern, J.
Mascarenhas, A.
description A vertically aligned ZnO/ZnS core/shell nanowire array with type II band alignment was directly synthesized on an indium-tin-oxide glass substrate and the photovoltaic effect of the nanowire array was investigated. The epitaxial relationship, wurtzite (0001) matching zinc-blende (111), was observed in the ZnO/ZnS nano-heterostructure. ZnS coating is found to quench the photoluminescence of ZnO nanowires but enhance the photocurrent with faster response in the photovoltaic device, indicating improvement in charge separation and collection in the type II core/shell nanowire.
doi_str_mv 10.1063/1.3367706
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); AIP_美国物理联合会现刊(与NSTL共建)
subjects NANOSCIENCE AND NANOTECHNOLOGY
nanowire
photovoltaic
PV
solar
SOLAR ENERGY
title Synthesis and photovoltaic effect of vertically aligned ZnO/ZnS core/shell nanowire arrays
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