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WU Xiaomeng, LING Yunhan, LIAO Junsheng, ZHU Xiaoshan, ZHI Xin, BAI Xinde. Preparation and Hydrogen Sensitivity of Pd Doped SnO2 Nanostructured Gas Sensor[J]. Atomic Energy Science and Technology, 2007, 41(增刊2): 431-435. DOI: 10.7538/yzk.2007.41.suppl2.0431
Citation: WU Xiaomeng, LING Yunhan, LIAO Junsheng, ZHU Xiaoshan, ZHI Xin, BAI Xinde. Preparation and Hydrogen Sensitivity of Pd Doped SnO2 Nanostructured Gas Sensor[J]. Atomic Energy Science and Technology, 2007, 41(增刊2): 431-435. DOI: 10.7538/yzk.2007.41.suppl2.0431
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Preparation and Hydrogen Sensitivity of Pd Doped SnO2 Nanostructured Gas Sensor

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  • Porous SnO2 nanostructured film gas sensor was fabricated by spray pyrolysis route using tin chloride pentahydrate (SnCl4•5H2O) and PdCl2 dopant as starting material. The phase, morphology and porous microstructure of the samples were characterized by XRD, FE-SEM and BET, respectively. Hydrogen sensitivity test reveals that the nanostructured gas sensor processes rapid response in 10-4concentration of H2 at temperature below 150 ℃, and the phenomenon can be attributed to pore structure and the improvement of gas absorption and catalytic effect of Pd dopant.
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