Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 32, Issue 7, Pages 2079-2085Publisher
ELSEVIER
DOI: 10.1016/j.msec.2012.05.042
Keywords
CuO nanoparticles; Porous ZnO nanorod; H2S sensor
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Funding
- National Natural Science Foundation of China [21071086, 21171099]
- Applied Basic Research Programs of the Science and Technology Commission Foundation of Tianjin [10JCYBJC03900]
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CuO nanoparticle decorated porous ZnO nanorods were synthesized via a two-stage solution process. First, porous ZnO nanorods were fabricated by a low-temperature hydrothermal method. Afterward, the porous ZnO nanorods were used as supports to load CuO nanoparticles by a non-aqueous solution method. The morphology and structure of the prepared samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). To demonstrate the practical application of the synthesized heterostructured porous CuO/ZnO nanorod hybrid, the sensing properties for H2S at low operating temperatures were investigated. The high sensitivity, reversible response and good selectivity indicated its potential application as a chemical sensor. (C) 2012 Elsevier B.V. All rights reserved.
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