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Probing the Nature of Zinc in Copper-Zinc-Zirconium Catalysts by Operando Spectroscopies for CO2 Hydrogenation to Methanol
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-12-12 , DOI: 10.1002/anie.202216803
Meng Yang 1, 2 , Jiafeng Yu 1, 3 , Anna Zimina 3, 4 , Bidyut Bikash Sarma 3, 4 , Lakshmi Pandit 3 , Jan-Dierk Grunwaldt 3, 4 , Ling Zhang 1, 2 , Hengyong Xu 1 , Jian Sun 1
Affiliation  

In Cu−Zn−Zr catalysts, interfaces between Cu and atomically dispersed Zn species are established by separating Zn and Zr from Cu in the double nozzles utilized during flame spray pyrolysis (FSP). Operando spectroscopies confirm that the structure is created during CO2 hydrogenation, and it boosts methanol production by suppressing formate decomposition to CO and decreasing the H2 dissociation energy.

中文翻译:

通过原位光谱法探索铜-锌-锆催化剂中锌的性质,用于 CO2 加氢制甲醇

在 Cu-Zn-Zr 催化剂中,通过在火焰喷射热解 (FSP) 期间使用的双喷嘴中将 Zn 和 Zr 从 Cu 中分离出来,从而建立 Cu 和原子分散的 Zn 物种之间的界面。原位光谱证实该结构是在 CO 2加氢过程中产生的,它通过抑制甲酸盐分解为 CO 和降低 H 2离解能来促进甲醇生产。
更新日期:2022-12-12
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