Reverse electron transfer in Ru/HfB2 drives selective hydrogenation via strong metal–support coupling

Xianlang Chen; Chengkang Zhou; Guoquan Zhou; Saisai Wang; Songpei Zhang; Tongyang Song; Rongrong Li; Haiting Cai; Bolin Wang; Yuxue Yue; Jia Zhao

doi:10.1039/D5CC03876F

Reverse electron transfer in Ru/HfB₂ drives selective hydrogenation via strong metal–support coupling†

Xianlang Chen,^a Chengkang Zhou,^a Guoquan Zhou,^d Saisai Wang,^b Songpei Zhang,^b Tongyang Song,^a Rongrong Li,

*^a Haiting Cai,*^b Bolin Wang,

^c Yuxue Yue

*^b and Jia Zhao

^b

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* Corresponding authors

^a Engineering Research Center of Recycling & Comprehensive Utilization of Pharmaceutical and Chemical Waste of Zhejiang Province, Taizhou University, Taizhou 318000, Zhejiang, China
E-mail: lrr@tzc.edu.cn

^b Industrial Catalysis Institute of Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China
E-mail: caihaiting@zjut.edu.cn, yueyuxue@zjut.edu.cn

^c School of Chemical Engineering, Northeast Electric Power University, Jilin, China

^d Zhejiang Institute of Tianjin University, Ningbo City, Zhejiang Province 315211, P. R. China

Abstract

Benzoic acid hydrogenation faces a persistent activity–selectivity trade-off. Ru/HfB₂ overcomes this challenge via strong metal–support interactions that generate electron-rich Ru^δ− sites, enabling >99% conversion and selectivity under optimized conditions.

Chemical Communications

Reverse electron transfer in Ru/HfB₂ drives selective hydrogenation via strong metal–support coupling†

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Reverse electron transfer in Ru/HfB₂ drives selective hydrogenation via strong metal–support coupling

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