Self-seeded growth and ultraviolet photoresponse properties of ZnO nanowire arrays

R. Ghosh; M. Dutta; D. Basak

doi:10.1063/1.2771533

Self-seeded growth and ultraviolet photoresponse properties of ZnO nanowire arrays

R. Ghosh, M. Dutta, D. Basak

Research output: Contribution to journal › Article › peer-review

68 Scopus citations

Abstract

The authors report on the self-seeded growth of ZnO nanowire (NW) arrays on glass substrates by a simple solvothermal method using two different sol concentrations for the seed layer formation. The formations of hexagonal-shaped NWs with diameter of 20-60 nm on the seed layer for 0.1M sol and mostly of trapezoidal-shaped NWs with base width of 135 nm on the seed layer for 0.03M sol have been explained considering the longitudinal and transversal growths of ZnO NWs. The photocurrent behavior of ZnO NW arrays in air as well as in vacuum is analyzed in terms of adsorbed oxygen and water molecules.

Original language	English
Article number	073108
Journal	Applied Physics Letters
Volume	91
Issue number	7
DOIs	https://doi.org/10.1063/1.2771533
State	Published - 24 Aug 2007
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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Self-seeded growth and ultraviolet photoresponse properties of ZnO nanowire arrays

Abstract

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