氨
材料科学
纳米技术
分析化学(期刊)
物理
核化学
化学
有机化学
作者
Dongzhi Zhang,Qi Li,Peng Li,Maosong Pang,Ying Luo
出处
期刊:IEEE Electron Device Letters
[Institute of Electrical and Electronics Engineers]
日期:2019-04-01
卷期号:40 (4): 616-619
被引量:87
标识
DOI:10.1109/led.2019.2901296
摘要
This letter demonstrated a high-performance ammonia gas sensor based on Pd-decorated MoSe 2 nanoflower nanostructure. The hydrothermally prepared Pd-MoSe 2 nanofilm was examined by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy. The gas sensing performance of the Pd-MoSe 2 film sensor was investigated upon exposure to different concentrations of ammonia gas at room temperature (RT). The Pd-MoSe 2 film sensor exhibits a remarkable sensing performance toward ammonia gas, including high sensitivity, outstanding repeatability, good selectivity, and stability. The sensing mechanism of Pd-MoSe 2 film toward ammonia was discovered by density functional theory based on the first principle. This letter confirmed that Pd-decorated MoSe 2 nanoflowers were good candidates for high-performance ammonia sensing at RT.
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