把超声波和低温陈化技术运用到共沉淀法中,制备出了纳米ZnSnO3粉末.XRD和能谱分析表明为纯的ZnSnO3相.TEM分析表明粒度小于40nm.以ZnSnO3为基体的气敏元件对乙醇的灵敏度和选择性都很好,并且对汽油的抗干扰能力强.通过SEM对敏感层的分析解释了气敏特性的成因.
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