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首页> 外文期刊>Journal of Electronic Materials >Preparation of Graphene-Zinc Oxide Nanostructure Composite for Carbon Monoxide Gas Sensing
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Preparation of Graphene-Zinc Oxide Nanostructure Composite for Carbon Monoxide Gas Sensing

机译:一氧化碳气体感应石墨烯 - 氧化锌纳米结构复合材料的制备

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摘要

A simple method to synthesize graphene-zinc oxide nanocomposite has been developed. A reduced graphene oxide-ZnO nanocomposite was prepared using a reflux method with ethylene glycol as medium. X-ray diffraction analysis, scanning electron microscopy, energy-dispersive spectrometry, and nitrogen adsorption-desorption measurements were used to characterize the resulting composite materials. The highest response of about 98% was observed when using pure ZnO at 300A degrees C, while the second highest sensor response of about 96% was achieved by graphene-ZnO with 1:3 composition. It was found that the graphene-zinc oxide hybrid has potential to improve sensor performance at low temperature. The graphene-ZnO hybrid with 1:3 composition showed good response of 36% at 125A degrees C, an operating temperature at which pure ZnO showed no response.
机译:已经开发了一种合成石墨烯 - 氧化锌纳米复合材料的简单方法。 使用具有乙二醇作为培养基的回流方法制备还原的石墨烯氧化物 - ZnO纳米复合物。 X射线衍射分析,扫描电子显微镜,能量分散光谱和氮吸附 - 解吸测量用于表征所得的复合材料。 当在300A℃下使用纯ZnO时,观察到约98%的最高响应,而Graphene-ZnO具有1:3组合物的第二最高传感器响应约为96%。 发现石墨烯 - 氧化锌杂种具有在低温下改善传感器性能的潜力。 具有1:3组合物的石墨烯-ZnO杂交物在125A℃下表现出良好的36%,纯ZnO没有反应的操作温度。

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