NiFe₂O₄ is a potential catalyst for energy conversion and storage, owing to its electrical conductivity, catalytic activity, and stability. The system's compatibility with various synthesis procedures and the ability to tune its properties through versatile techniques including doping and surface modifications have attracted significant attention for water splitting applications. Herein, we comprehensively detail the catalytic characteristics of NiFe₂O₄-based structures, particularly useful for water splitting reactions (hydrogen evolution reaction (HER) and oxygen evolution reaction (OER)) and also discuss the possible mechanisms of water splitting reactions on NiFe₂O₄-based systems. The modulation of characteristics of the system by different synthesis procedures and tuning of its characteristics via various strategies such as defect engineering, surface engineering, heterojunction formation, and non-metal incorporation are important in designing and developing related systems for catalytic applications. The optical features of the system promise its applicability in photocatalytic reactions while good conductivity and magnetic properties amplify the electrocatalytic reactions. There are many hurdles in implementing the system for the photocatalytic water splitting as well as for long-term electrochemical applications. This review provides a straightforward direction to researchers to choose suitable methods for character tuning and to identify the missing areas related to the application of the material and its future scope.

中文翻译：

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NiFe2O4：利用水分解的催化潜力


NiFe ₂ O ₄由于其导电性、催化活性和稳定性而成为能量转换和存储的潜在催化剂。该系统与各种合成程序的兼容性以及通过掺杂和表面改性等多种技术调整其性能的能力引起了水分解应用的极大关注。在此，我们全面详细介绍了 NiFe ₂ O ₄基结构的催化特性，尤其适用于水分解反应（析氢反应（HER）和析氧反应（OER）），并讨论了 NiFe 上水分解反应的可能机制。 ₂ O ₄基系统。通过不同的合成程序调节系统的特性，并通过缺陷工程、表面工程、异质结形成和非金属掺入等各种策略调整其特性，对于设计和开发催化应用的相关系统非常重要。该系统的光学特性保证了其在光催化反应中的适用性，而良好的导电性和磁性则增强了电催化反应。实施光催化水分解系统以及长期电化学应用存在许多障碍。 该综述为研究人员选择合适的角色调整方法并确定与材料应用及其未来范围相关的缺失领域提供了直接的方向。