Preparation and CO gas-sensing properties of La0.8Pb0.2Fe0.8 Ni0.2O3 nanopowders

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作者：
Department of Materials Science and Engineering, University of Jinan, Jinan 250022, China [1 ]
不详 [2 ]
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来源：
Gongneng Cailiao | 2008年 / 6卷 / 1014-1016期
关键词：
Electric conductance - Chemical detection - Gas detectors - Nanostructured materials;
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摘要：
La0.8Pb0.2Fe0.8 Ni0.2O3 nanopowders have been prepared by the citric method. The structure, electrical conductance and CO gas-sensing properties were investigated. The results demonstrated that La0.8Pb0.2Fe0.8 Ni0.2O3 was a perovskite phase with the orthorhombic structure, it showed p-type semiconducting properties. In a wide temperature range of 120-340°C, La0.8Pb0.2Fe0.8 Ni0.2O3-based sensor showed good sensitivity to CO gas.
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