期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 66, 期 -, 页码 33-38出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2017.04.002
关键词
W-doped; MoO3 nanobelts; Hydrothermal; Trimethylamine; Gas sensors
类别
资金
- National Natural Science Foundation of China [61102006]
- Natural Science Foundation of Shandong Province, China [ZR2015EM019, ZR2014EL006]
- Shandong Province Higher Educational Science and Technology Program [J15LA56]
The pure and W-doped MoO3 nanobelts were prepared via a facile one-step hydrothermal method. The morphology and microstructure of the developed nanobelts were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy CPS). The characterization results showed that as-prepared samples are uniform nanobelts with a mean length of 20 gm and width range of 100-200 nm, and W element was distributed uniformly in MoO3 nanobelts. The comparison between pure and doped samples was carried out to reveal the superior gas sensing performance of W-doped MoO3 nanobelts. The results of sensing properties indicate that the sensors based on W-doped MoO3 nanobelts exhibit high response, good selectivity, and long term stability characteristics towards trimethylamine (TMA) gas, which are promising for trimethylamine sensors used to monitor air-quality and environmental.
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