Active sites for tandem reactions of CO 2 reduction and ethane dehydrogenation

作者：Binhang Yan, Siyu Yao, Shyam Kattel, Qiyuan Wu, Zhenhua Xie, Elaine Gomez, Ping Liu, Dong Su, Jingguang G. Chen · 发表于：Proceedings of the National Academy of Sciences · 年份：2018 · DOI：10.1073/pnas.1806950115 · 被引用次数：171 · 研究领域：Catalysis and Oxidation Reactions、Catalytic Processes in Materials Science、Catalysts for Methane Reforming

Significance Catalytic activity or selectivity of a supported metal catalyst is predominantly determined by its active site structure. Rational optimization of supported metal catalysts requires fundamental insights into active sites and structure–function relationships. Here, we convincingly identify two types of metal–oxide active sites and successfully correlate them with the corresponding catalytic performance for CO 2 -assisted dehydrogenation of ethane. Controlled synthesis of the two distinct active sites enables rational manipulation of the activity and selectivity, offering an opportunity to efficiently convert the underutilized ethane from shale gas to value-added products while mitigating anthropogenic CO 2 emissions.