Metal−support interaction in single-atom electrocatalysts: A perspective of metal oxide supports

IF 42.9 Q1 ELECTROCHEMISTRY eScience Pub Date : 2024-10-01 DOI:10.1016/j.esci.2024.100269
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Abstract

The discovery of single-atom catalysts (SACs) represents a groundbreaking advancement in the field of catalysis over the past decades. With the in-depth exploration of relevant structure-activity relationships, the metal−support interaction (MSI) is widely adopted to elucidate variations in electronic structure and coordination configuration of atomic active sites on various kinds of supports. Herein, we briefly summarize the metal oxide supports for SACs fabrication, including the distinctive characteristics of metal oxide supports, enlightening advancements in metal oxide support-based SACs (MO-SACs), feasible preparation methods for MO-SACs and effective regulation strategies of MSI effect in MO-SACs. In addition, we present our viewpoints and outlook in this field to stimulate rational design and construction of novel MO-SACs applied in diverse renewable energy devices, while some universal suggestions are sincerely given to provoke thoughtful considerations during the research process.

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单原子电催化剂中的金属-支撑相互作用:金属氧化物支持物的视角
过去几十年来,单原子催化剂(SAC)的发现代表了催化领域的突破性进展。随着对相关结构-活性关系的深入探索,金属-支撑相互作用(MSI)被广泛应用于阐明各种支撑物上原子活性位点的电子结构和配位构型的变化。在此,我们简要总结了用于制备 SACs 的金属氧化物支持物,包括金属氧化物支持物的显著特征、基于金属氧化物支持物的 SACs(MO-SACs)的启示性进展、MO-SACs 的可行制备方法以及 MO-SACs 中 MSI 效应的有效调控策略。此外,我们还提出了在这一领域的观点和展望,以促进应用于各种可再生能源设备的新型 MO-SACs 的合理设计和构建,并诚恳地提出了一些普遍性建议,以引发研究过程中的深思熟虑。
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