张剑

个人信息Personal Information

副教授

硕士生导师

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所在单位:化学与材料工程学院

学历:博士研究生毕业

办公地点:温州大学A区数理学院3C407B室

学位:理学博士学位

毕业院校:清华大学

学科:无机化学

论文成果

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Xuge Zhang+, He Lin+, Jian Zhang+,*, Yajun Qiu, Zedong Zhang, Qi Xu, Ge Meng, Wensheng Yan, Lin Gu, Lirong Zheng, Dingsheng Wang*, Yadong Li, Decreasing the coordinated N atoms in a single-atom Cu catalyst to achieve selective transfer hydrogenation of alkynes

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DOI码:10.1039/D1SC04344G

发表刊物:Chemical Science

摘要:Single-atom (SA) catalysts have attracted broad attention due to their distinctive catalytic properties in diverse reactions. Increasing the unsaturated coordination sites of active centers is a valid and challenging approach to improve the performance of such catalysts. Herein, we report an oxide compounding strategy to decrease the N coordination number of a SA Cu catalyst by reducing the thickness of the N-doped carbon carrier with a lower density of N atoms. The SA Cu catalyst with a more unsaturated N coordination structure can achieve transfer hydrogenation of alkynes with good activity and selectivity, which is disabled over the common N coordinated SA Cu catalyst on pure CN. It is found that individual Cu centers coordinated by fewer N atoms can accelerate the hydrogen transfer from ammonia–borane and still leave proper adsorption sites for alkynes to realize the entire hydrogenation reaction. This work will open up new opportunities to modulate the unsaturated coordination structure of SA catalysts for creating better-performing heterogeneous catalysts

论文类型:期刊论文

学科门类:理学

文献类型:J

卷号:12

页面范围:14599-14605

是否译文:

发表时间:2021-10-19

收录刊物:SCI

发布期刊链接:http://dx.doi.org/10.1039/D1SC04344G