以钨酸钠、盐酸为原料,通过离子交换-水热途径合成了WO3纳米棒簇.X射线粉末衍射(XRD)和透射电子显微镜(TEM)表征结果表明:合成产物为均匀分布六方相WO3纳米棒簇(由直径约20nm,平均长度约150nm的纳米棒堆成).气敏性能测试结果表明,采用本实验方法合成出的WO3纳米棒簇气敏元件工作温度低,且对丙酮、三甲胺具有很高的灵敏度和很好的响应恢复时间,显示出该材料较好的应用前景.
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