介绍了一种新颖的、简单易行的二氧化钒粉末制备方法,以VOSO4为原料,水解后获得VO(OH)2沉淀,将沉淀清洗、干燥后,对其进行真空热处理,即获得VO2粉末.该方法工艺控制简单,稳定性好,容易掌握.通过对试样的XRD、XPS分析表明,试样为较纯的VO2粉末.试样的相变电、光开关性能测试表明,相变前后试样的电阻值变化了近两个数量级,中红外光学透过率变化了15%.
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