单原子催化剂合成方法

单原子催化剂作为一种原子尺度的催化剂,在制氢、CO氧化及光催化等领域均具有广阔的应用前景。大量实验结果和理论计算证实了金属单原子和载体之间的相互作用,及由两者之间电荷转移引起的电子结构改变是单原子催化剂具有高的选择性和催化活性的主要原因。本文着重综述了近年来共沉淀法、化学还原法及浸渍法所制备单原子催化剂的催化性能,并进行展望。

Preparation of Single Atom Catalysts

Single atom catalysts,as catalysts with atomic scale,have a wide range of applications in the fields of hydrogen production,CO oxidation,photo catalysts,etc.Extensive efforts of experimental/theoretical studies show that the strong metal support interactions and the changes in electronic structure are the main reasons for the high selectivity and catalytic activity of the single atom catalysts.This paper mainly summarizes the recent researches on the preparation methods including coprecipitation method,successive reduction method and wetimpregnation method,catalytic performance and high catalytic selectivity of single atom catalysts.And finally,the prospects for future investigations of single atom catalysts are proposed.