Volume 2, Number 1 (2017)
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Home > Journals > SCIREA Journal of Materials > Archive > Paper Information

Fabrication of gas sensor based on p-type ZnO nanorods at room temperature under UV-LED illumination.

Volume 2, Issue 1, February 2017    |    PP. 1-15    |PDF (1103 K)|    Pub. Date: February 12, 2017
362 Downloads     2729 Views  

Author(s)
P.M.Perillo, Comisión Nacional de Energía Atómica, CAC, Micro y Nanotecnología, Av. Gral. Paz 1499 (1650) Bs As., Argentina.
D.F.Rodríguez, Comisión Nacional de Energía Atómica, CAC, Micro y Nanotecnología, Av. Gral. Paz 1499 (1650) Bs As., Argentina.

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. Vol. 2 , No. 1 , 2017 , pp. 1 - 15 .

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