化学溶液沉积法制备0.18Ag-Ag0.80Ni0.2NNi3反钙钛矿薄膜的析氢性能

IF 2.4 4区化学 Q4 ELECTROCHEMISTRY

International Journal of Electrochemical Science Pub Date : 2025-08-07 DOI:10.1016/j.ijoes.2025.101150

Li Zhang , Lili Zhu , Renhuai Wei , Xuebin Zhu

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引用次数: 0

摘要

反钙钛矿型金属氮化物是一类特殊的过渡金属氮化物，具有灵活的组成调制特性，是析氢反应电催化剂的潜在候选材料。本文研究了化学溶液沉积法制备的新型反钙钛矿0.18Ag-Ag0.80Ni0.20NNi3薄膜随薄膜厚度变化的HER性能。观察到，随着薄膜厚度的增加，薄膜孔隙率先增大后减小。碱性介质中HER过电位呈厚度依赖性，厚度约为1 μm的薄膜电位最低。研究结果为优化反钙钛矿金属氮化物的HER性能提供了思路，并为优化化学溶液沉积法制备的薄膜型HER催化剂的HER性能提供了可行途径。

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Thickness-dependent hydrogen evolution performance of 0.18Ag-Ag0.80Ni0.2NNi3 antiperovskite thin film prepared by chemical solution deposition

Antiperovskite metal nitrides as a special type of transition metal nitrides are considered as potential candidates for hydrogen evolution reaction (HER) electrocatalysts, showing flexible composition modulation. Here, the thin film thickness dependent HER properties were investigated for new type antiperovskite 0.18Ag-Ag_0.80Ni_0.20NNi₃ thin films prepared by chemical solution deposition. It was observed that with the thin film thickness increasing, the thin film porosity was first enhanced and then decreased. The HER overpotential in alkaline media showed thickness dependent tendency and the lowest potential was for the thin film with thickness about 1 μm. The results will shed light on optimization of HER performance of antiperovskite metal nitrides and provide a feasible route to optimize the HER performance of thin film-type HER catalysts prepared by chemical solution deposition (CSD).

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来源期刊

International Journal of Electrochemical Science 工程技术-电化学

CiteScore

3.00

自引率

20.00%

发文量

714

审稿时长

2.6 months

期刊介绍： International Journal of Electrochemical Science is a peer-reviewed, open access journal that publishes original research articles, short communications as well as review articles in all areas of electrochemistry: Scope - Theoretical and Computational Electrochemistry - Processes on Electrodes - Electroanalytical Chemistry and Sensor Science - Corrosion - Electrochemical Energy Conversion and Storage - Electrochemical Engineering - Coatings - Electrochemical Synthesis - Bioelectrochemistry - Molecular Electrochemistry