期刊
RESULTS IN PHYSICS
卷 7, 期 -, 页码 1818-1823出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.rinp.2017.05.019
关键词
ZnO microstructures; Au nanoparticles; Ether; Gas sensor
资金
- Universidad Autonoma del Estado de Mexico [1025/2014RIFC]
- CCIQS [EV-2015-1]
- CONACYT
An ether gas-sensor was fabricated based on gold nanoparticles (Au-NPs) decorated zinc oxide microstructures (ZnO-MS). Scanning electron microscope (SEM) and high-resolution transmission electron microscope (HRTEM) measurements were performed to study morphological and structural properties, respectively, of the ZnO-MS. The gas sensing response was evaluated in a relatively low temperature regime, which ranged between 150 and 250 degrees C. Compared with a sensor fabricated from pure ZnO-MS, the sensor based on Au-NPs decorated ZnO-MS showed much better ether gas response at the highest working temperature. In fact, pure ZnO-MS based sensor only showed a weak sensitivity of about 25%. The improvement of the ether gas response for sensor fabricated with Au-NPs decorated ZnO-MS was attributed to the catalytic activity of the Au-NPs. (C) 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license
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