以不同金属掺杂的ZnO纳米线为气敏材料,在350℃下对不同浓度的H2气体进行了气敏性能测试.结果表明,掺杂Ag的ZnO纳米线在H2浓度为2.52×10(-3)时具有较高的气体灵敏度28.549.同时,利用Origin软件对测得的气敏性能曲线进行线性拟合,对未知的H2浓度进行了有效判定.还对金属掺杂提高ZnO纳米线气敏性能的原因进行了分析,认为金属的化学状态可能是ZnO纳米线气敏性能提高的物理本质.
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