Gas sensing characteristics of mesoporous p-type semiconducting NiV2O6 nanorods composed of small nanoparticles was prepared using a solution-based method. The material properties of the nanorods were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), scanning electron microscope (SEM) and transition electron microscope (TEM), X-ray photoelectron spectroscopy analysis (XPS), impedance analysis, and N-2 adsorption-desorption isothermal measurement. The gas response study of the NiV2O6 material was carried out at different operation temperatures. Obtained results showed that the NiV2O6 materials exhibited good selectivity and repeatability for NH3 gas, and comparatively fast response and recovery time for detecting the NH3 of a 100 ppm level at the temperature of 120 degrees C. The sensing mechanism of the NiV2O6 material was also discussed in detail. (C) 2013 Published by Elsevier B.V.
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Univ Western Ontario, London, ON N6G 0J3, Canada
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Biesinger, Mark C.
;
Payne, Brad P.
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Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Payne, Brad P.
;
Grosvenor, Andrew P.
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Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 5C9, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Grosvenor, Andrew P.
;
Lau, Leo W. M.
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Univ Western Ontario, London, ON N6G 0J3, Canada
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Lau, Leo W. M.
;
Gerson, Andrea R.
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Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Gerson, Andrea R.
;
Smart, Roger St. C.
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Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Biesinger, Mark C.
;
Payne, Brad P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Payne, Brad P.
;
Grosvenor, Andrew P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Saskatchewan, Dept Chem, Saskatoon, SK S7N 5C9, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Grosvenor, Andrew P.
;
Lau, Leo W. M.
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h-index: 0
机构:
Univ Western Ontario, London, ON N6G 0J3, Canada
Univ Western Ontario, Dept Chem, London, ON N6A 5B7, CanadaUniv Western Ontario, London, ON N6G 0J3, Canada
Lau, Leo W. M.
;
Gerson, Andrea R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada
Gerson, Andrea R.
;
Smart, Roger St. C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ S Australia, ACeSSS, Mawson Lakes, SA 5095, AustraliaUniv Western Ontario, London, ON N6G 0J3, Canada