期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 235, 期 -, 页码 294-301出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.05.064
关键词
Facile method; ZnO; NiO-decorated; Gas sensor; Acetone
资金
- National Nature Science Foundation of China [61520106003, 61503148, 61327804, 61374218, 61134010]
- Program for Chang Jiang Scholars and Innovative Research Team in University [IRT13018]
- National High Tech Research and Development Program of China (863 Program) [2013AA030902, 2014AA06A505]
- China Postdoctoral Science Foundation [2015M580247]
In this paper, the pure and NiO-decorated ZnO flower-like structures with uniform sizes were synthesized by a simple two-step process. As the gas sensing materials of oxide semiconductors gas sensors, their sensing properties were investigated systematically. The results manifested that the sensor based on 8.0 at% NiO-decorated ZnO microflowers showed improved gas sensing properties compared with those of pure ZnO microflowers. The introduction of NiO is believed to not only change the quantity of chemisorbed oxygen, but also form the p-n junction with ZnO. Thus, the functionalization of ZnO with NiO may be a promising method for designing and fabricating the high performance gas sensor. (C) 2016 Elsevier B.V. All rights reserved.
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