Tunable Cation Vacancy Engineering of FeP toward Efficient Hydrogen Evolution Reaction

Key Points

• To improve the catalytic performance of transition metal phosphides for the hydrogen evolution reaction through cation vacancy engineering.
• Developed tunable cation vacancy structures in FeP.
• Evaluated the electrocatalytic performance in the hydrogen evolution reaction.
• Analyzed the impact of vacancies on catalytic efficiency.
• Significant improvement in catalytic activity observed.
• Optimized cation vacancies resulted in enhanced hydrogen production rates.
• FeP with engineered vacancies showed superior performance compared to non-optimized samples.