用微波法在乙醇介质中合成二氧化锆(ZrO2)和6种不同含量的钇稳定二氧化锆(YSZ)纳米晶体,样品经过不同温度的煅烧,分别用X射线衍射(XRD)、EDS元素分析、透射电子显微镜(TEM)和比表面积(BET)等手段进行晶体结构和微观形态的研究.结果表明,用微波法在160℃左右可一步合成二氧化锆纳米晶体,掺杂不同含量的钇可控制二氧化锆的结构从单斜相过渡到立方相.四方相和立方相晶型的YSZ在高温下结构稳定,仍为纳米晶粒,表现了良好的热稳定性.并提出了微波法在乙醇介质中合成二氧化锆的机理.
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