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电化学  2011 

片层纺锤形纳米CuO的制备及性能研究

, PP. 186-189

Keywords: 片层纺锤形纳米CuO,电化学,H2O2,催化氧化

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Abstract:

室温下,以高纯铜片为阳极,石墨棒为阴极,聚乙二醇为分散剂,电解液为pH=10的缓冲溶液,设定初始电压12V.电解后,微波分解,制备了由片层组成的纺锤形纳米CuO(简称片层纺锤形纳米CuO).扫描电子显微镜(SEM)、X-射线衍射仪(XRD)等表征样品的形貌、微观结构及其成分,循环伏安法和计时电流法研究了该纳米CuO对H2O2氧化的催化作用.结果表明:所得产物是纯的单斜片层纺锤形CuO纳米晶,对H2O2的电化学检测具有较高的灵敏度,线性范围为1.0μmol?L-1~1.0mmol?L-1,检出限为0.5μmol.L-1.

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