Copper, Palladium, and Reduced Graphene Oxide Co-doped Layered WS2/WO3 Nanostructures for Electrocatalytic Hydrogen Generation

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Electronic Materials Letters Pub Date : 2023-09-12 DOI:10.1007/s13391-023-00458-9

Vipin Kumar, Rajneesh Kumar Mishra, Le Gia Trung, Pushpendra Kumar, Sagar M. Mane, Jae Cheol Shin, Jin Seog Gwag

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Abstract

Fossil fuels have a vital role in global energy resources. The burning of fossil fuels produces pollutants and harms the environment. These environmental problems can be solved by searching for a substitute for fossil fuels. Hydrogen production by water electrolysis has emerged as a promising substitute. It is a green, clean, and renewable energy source. Low-cost water is abundant on the Earth. The metal and its composite material have been used to develop water electrolysis. Among these composite catalytic materials, WS₂/WO₃ composite catalyst is well-known for its excellent physical and chemical behavior in water electrolysis to produce hydrogen. Engineered catalysts can further enhance the catalytic performance. Therefore, we investigate and analyze the catalytic performance of copper (Cu), palladium (Pd), and r-GO co-doped WS₂/WO₃ composite material for water electrolysis to produce green, clean, and renewable hydrogen energy by hydrogen evolution reaction (HER). The hydrothermal synthesis method is used to prepare the WS₂/WO₃ composite material co-doped with Cu, Pd, and r-GO. The co-doping is favorable for fast charge transfer by providing many active catalytic sites for HER and enhancing the HER catalytic performance. Therefore, the co-doped tungsten disulfide/oxide could be a potential composite material for efficient water electrolysis for clean and renewable hydrogen production by electrochemical water electrolysis.

Graphical Abstract

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用于电催化制氢的铜、钯和还原石墨烯氧化物共掺杂层状 WS2/WO3 纳米结构

化石燃料在全球能源资源中发挥着至关重要的作用。化石燃料的燃烧会产生污染物，对环境造成危害。这些环境问题可以通过寻找化石燃料的替代品来解决。水电解制氢已成为一种前景广阔的替代品。它是一种绿色、清洁和可再生能源。地球上有大量低成本的水。金属及其复合材料已被用于开发水电解。在这些复合催化材料中，WS2/WO3 复合催化剂因其在电解水制氢过程中优异的物理和化学性能而闻名。工程催化剂可进一步提高催化性能。因此，我们研究并分析了铜（Cu）、钯（Pd）和r-GO共掺杂的WS2/WO3复合材料在水电解中的催化性能，以利用氢进化反应（HER）生产绿色、清洁和可再生的氢能。该研究采用水热合成法制备了共掺杂 Cu、Pd 和 r-GO 的 WS2/WO3 复合材料。共掺杂为 HER 提供了许多活性催化位点，有利于电荷的快速转移，从而提高 HER 的催化性能。因此，共掺杂的二硫化钨/氧化物可以成为一种潜在的复合材料，用于高效电解水，通过电化学电解水法生产清洁和可再生氢气。

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来源期刊

Electronic Materials Letters 工程技术-材料科学：综合

CiteScore

4.70

自引率

20.80%

发文量

审稿时长

2.3 months

期刊介绍： Electronic Materials Letters is an official journal of the Korean Institute of Metals and Materials. It is a peer-reviewed international journal publishing print and online version. It covers all disciplines of research and technology in electronic materials. Emphasis is placed on science, engineering and applications of advanced materials, including electronic, magnetic, optical, organic, electrochemical, mechanical, and nanoscale materials. The aspects of synthesis and processing include thin films, nanostructures, self assembly, and bulk, all related to thermodynamics, kinetics and/or modeling.