γ-Al₂O₃sheet-stabilized isolate Co²⁺for catalytic propane dehydrogenation

Yihu Dai^a,*, Jingjing Gu^a, Suyang Tian^a, Yue Wu^a, JunChao Chen^b, Fanxing Li^c, Yonghua^d, Luming Peng^b, Weiping Ding^b, Yanhui Yang^a,*

^aInstitute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China

^bKey Laboratory of Mesoscopic Chemistry of Ministry of Education and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

^cDepartment of Chemical and Bimolecular Engineering, North Carolina State University, Raleigh, NC 27695-7905, United States

^dInstitute of Chemical and Engineering Sciences A*STAR, Singapore 627833, Singapore

Abstract:

1. Isolate Co²⁺inγ-Al₂O₃sheet efficiently catalyze propane dehydrogenation to propylene.

2. Tetrahedral Co²⁺species can be stabilized byγ-Al₂O₃sheetwith a strong interaction.

3. ActiveCo²⁺sites not onlyaccelerate C₃H₆desorption but also inhibit coke formation.

J. Catal. 2020,381, 482-492.（影响因子：7.723）

论文链接：https://doi.org/10.1016/j.jcat.2019.11.026