Synthesis of Ni Nanoclusters Supported on Diamond by Plasma Technique and Their Electrochemical Properties
Diamond and related materials(2024)
摘要
In this study, particles of synthetic undoped diamond (DN) obtained via the high pressure – high temperature method were coated with a nickel shell using metallic nickel plasma in a two-jet plasma generator with gas vortex and magnetic flux stabilization. Through the use of scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy, we observed the formation of a nickel diamond composite with a core-shell structure, where DN serves as the core and Ni nanoclusters form the shell (DN@Ni). The results of voltammetric analysis indicated that DN@Ni, when deposited on a graphite electrode, exhibited significant electrocatalytic activity in the oxidation of methanol and paracetamol in an alkaline electrolyte.
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关键词
High pressure - high temperature (HTHP),diamond,Nickel plasma,Cyclic voltammetric,Electrocatalytic activity,Methanol,Paracetamol
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