多级四角枝形钯纳米晶的控制合成及其电催化性能
发布时间：2018-09-14 17:05
【摘要】：以乙酰丙酮钯为前驱体,聚乙烯吡咯烷酮(PVP)为稳定剂,N,N-二甲基甲酰胺(DMF)为溶剂,一氧化碳为还原剂,在一定量甲酰胺的存在下,控制CO的流速,100℃油浴加热3 h,可以得到形貌单一的四角枝状Pd纳米晶,单枝呈多级结构特征。利用透射电子显微镜(TEM)、扫描电子显微镜(SEM)、X-射线粉末衍射(XRD)、X-射线光电子能谱(XPS)对其结构进行表征。所合成的多级四角枝Pd纳米晶对甲酸的电催化氧化活性约为商业Pd黑的2.6倍。
[Abstract]:Using palladium acetylacetone as precursor, polyvinylpyrrolidone (PVP) as stabilizer, (DMF) as solvent, carbon monoxide as reducing agent, and in the presence of formamide, The single tetragonal dendritic Pd nanocrystals can be obtained by controlling the flow rate of CO at 100 鈩，
本文编号：2243326
[Abstract]:Using palladium acetylacetone as precursor, polyvinylpyrrolidone (PVP) as stabilizer, (DMF) as solvent, carbon monoxide as reducing agent, and in the presence of formamide, The single tetragonal dendritic Pd nanocrystals can be obtained by controlling the flow rate of CO at 100 鈩，
本文编号：2243326
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