Fabrication of gas sensor based on p-type ZnO nanorods at room temperature under UV-LED illumination.
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Abstract
In the present study, the use of ZnO nanorods sensor under the irradiation of 400 nm UV-LED illumination at room temperature was tested. The non-intentionally C-doped flower-like zinc oxide (ZnO) nanorods were synthesized through a chemical method at low temperature (60–65 °C). The hexagonal wurtzite phase of ZnO was confirmed by X-ray diffraction (XRD). The samples were too characterized using SEM, EDX, TEM, XPS, BET and UV-Vis spectroscopy. The results show that the ZnO nanorods behave as a p-type sensor with a high response and reversibility towards ethanol and ammonia and it is an attractive chemical sensing material.
Keywords
ZnO nanorods; C-doped; sensor response; ethanol; ammonia.
Cite this paper
P.M.Perillo, D.F.Rodríguez,
Fabrication of gas sensor based on p-type ZnO nanorods at room temperature under UV-LED illumination.
, SCIREA Journal of Materials.
Volume 2, Issue 1, February 2017 | PP. 1-15.
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