中文摘要：

以硝酸盐为原料、柠檬酸为络合剂、无水乙醇为溶剂，采用溶胶-凝胶法获得（La0.9Bi0.1）NiO3的纳米前驱体，在800℃下煅烧该前驱体2h得到单相的（La0.9Bi0.1）NiO3纳米级粉末．利用XRD、TG-DTA、SEM等手段对其结构进行表征，所得到的（La0.9Bi0.1）NiO3颗粒大约为50nrrL在空气气氛中1000℃下烧结6h获得多晶的（La0.9Bi0.1）NiO3陶瓷样品．对（La0.9Bi0.1）NiO3陶瓷材料的微观结构进行分析，并对其室温到700℃的热电性能进行研究．热电测试结果表明，（La0.9Bi0.1）NiO3是N型热电材料且具有一定的热电性能．

英文摘要：

The precursor of nano-powders of （La0.9Bi0.1）NiO3 was obtained with a sol-gel process, nitrate as its raw material, citrate as complexing agent, and anhydrous alcohol as solvent. Monophase （La0.9Bi0.1）NiO3 nano-powders could be obtained by calcined precursor powders at 800℃ for two hours. The powders were characterized with X-ray diffraction （XRD）, thermogravimetric and differential thermal analyses （TG--DTA）, and scanning electron microscopy （SEM）. The （La0.9Bi0.1）NiO3 powder obtained was monophase one with on average size of about 50 nm. （La0.9Bi0.1）NiO3 ceramic samples were fabricated in the atmospheric ambient at 1 000℃ for six hours. Their microstructure properties were analyzed and their thermoelectric performance at temperatures between room-temperature and 700 ℃ was investigated, also. Thermoelectric test results showed that the （La0.9Bi0.1）NiO3 was N-type semiconductive material with a certain thermoelectric properties.