韩根亮,宋玉哲,刘国汉,席彩红,王运福,高晓平,刘东妮,李有祥

• 1:甘肃省科学院传感技术研究所
• 2:甘肃省分析测试中心

摘要(Abstract)：

通过不同条件的水热法和溶胶-凝胶技术分别制备了单分散SnO2纳米粉体。利用X射线衍射、透射电子显微镜和比表面积分析仪对产物进行了检测,采用静态配气法测试了样品的气敏性能。结果表明,水热时间越长,颗粒尺寸越大,以反应时间为6 h制备的粉体比表面积最大;溶胶-凝胶产物中,以SnCl2的乙醇溶液为原料制得的颗粒克服了热处理过程中产物易团聚的问题,颗粒尺寸均匀,具有良好的分散性和较高的比表面积。两种方法制备的粉体均对酒精具有良好的灵敏度,SnCl2的乙醇溶液为原料、溶胶-凝胶技术获得的材料对酒精的灵敏度更高,并认为热处理过程中Cl-的去除是导致材料气敏性能不同的主要因素。

关键词(KeyWords)： 二氧化锡;溶胶-凝胶法;水热法;气敏特性

Abstract:

Keywords:

基金项目(Foundation): 甘肃省技术研究与开发专项计划(0709TCYA046);; 甘肃省自然基金项目(1010RJZA165)

作者(Author): 韩根亮,宋玉哲,刘国汉,席彩红,王运福,高晓平,刘东妮,李有祥

DOI: 10.13289/j.issn.1009-6264.2012.04.006

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