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首页> 外文期刊>International Journal of Electrochemical Science >Synthesis of Au-modified Reduced Graphene Oxide Supported Pd-Ni nanocomposites and electrocatalytic activity for propane- 1,3-diol oxidation
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Synthesis of Au-modified Reduced Graphene Oxide Supported Pd-Ni nanocomposites and electrocatalytic activity for propane- 1,3-diol oxidation

机译：Au修饰的氧化石墨烯负载Pd-Ni纳米复合材料的合成及对丙烷-1,3-二醇氧化的电催化活性

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摘要

A Reduced Graphene Oxide-Supported Pd-Ni nanocomposite (Pd1Ni4/RGO) was prepared by simultaneous chemical reduction, on the surface of which a small amount of Au nanoparticles were subsequently deposited via potentiontatic deposition to obtain an Au-deposited Pd1Ni4/RGO (denoted as Au(x)-Pd1Ni4/RGO, x = 1, 2, and 5 s, representing the deposition time of Au). As a representative, the surface structure of the Au(1s)-Pd1Ni4/RGO electrode was characterized and analyzed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrum (EDX) and X-ray diffraction (XRD), respectively. The modification approach described here is simple, effective and versatile, which can be further used to modify other metal substrates with an additional metal. Moreover, the Au deposition induces a positive effect on the electro-catalytic activity for propane-1,3-diol oxidation in alkaline media in comparison to the Pd1Ni4/RGO.
机译：通过同时化学还原制备还原型氧化石墨烯负载的Pd-Ni纳米复合材料（Pd1Ni4 / RGO），随后通过电位沉积在其表面沉积少量Au纳米颗粒，以获得Au沉积的Pd1Ni4 / RGO（表示为如Au（x）-Pd1Ni4 / RGO，x = 1，2和5 s，代表Au的沉积时间。作为代表，通过扫描电子显微镜（SEM），透射电子显微镜（TEM），能量色散X射线谱（EDX）和X射线对Au（1s）-Pd1Ni4 / RGO电极的表面结构进行了表征和分析衍射（XRD）。此处描述的修改方法简单，有效且用途广泛，可以进一步用于用其他金属修改其他金属基板。此外，与Pd1Ni4 / RGO相比，Au沉积对碱性介质中丙烷1，，3-二醇氧化的电催化活性产生积极影响。

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