Abstract:
本文以无机盐为源物质,研究用不同途径的溶胶-凝胶法制备SnO_2纳米晶;采用不同的制备方法得到的SnO_2粉末的晶粒度各不相同,以SnCl_4乙醇溶液+HCl通氨法所得到的粉末晶粒度最细,可达3.5nm;由3.5nm的SnO_2粉末制备的气敏元件对H_2有较好的气敏特性。
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Year: 1998
Language: Chinese
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30 Days PV: 2