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用Ｈ２＋Ａｒ电弧等离子体法制备纳米Ｃｅ－ＮｉＯ并研究其气敏特性。实验结果表明：与通常用作氧敏传感器的Ｐ型ＮｉＯ半导体材料相比，Ｈ２＋Ａｒ电弧等离子体法制备的纳米Ｃｅ－ＮｉＯ气敏材料表现出一定的ｎ型导电性，对乙炔具有很好的选择性和较高的灵敏度；其气敏特性与纳米Ｃｅ－ＮｉＯ晶粒的显微结构有关。
Preparation of nano Ce-NiO by H2 + Ar arc plasma and its gas sensing properties. The experimental results show that the nano-Ce-NiO gas-sensing material prepared by H2 + Ar arc plasma shows some n-type conductivity compared with the P-type NiO semiconductor material commonly used as the oxygen sensor, and has a good choice for acetylene Sex and high sensitivity; its gas sensing properties and nano-Ce-NiO grain microstructure related.