Efficient single-atom Ni for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Fan, Yafei, Zhuang, Changfu, Li, Shangjing, Wang, Ying, Zou, Xiaoqin, Liu, Xiaoteng, Huang, Weimin and Zhu, Guangshan (2021) Efficient single-atom Ni for catalytic transfer hydrogenation of furfural to furfuryl alcohol. Journal of Materials Chemistry A, 9 (2). pp. 1110-1118. ISSN 2050-7488

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Abstract

The employment of single-atom catalysts in the catalytic transfer hydrogenation (CTH) of furfural (FF) to furfuryl alcohol (FAL) have never been effectively explored. Herein, Ni single-atoms supported on nitrogen doped carbon (Ni-SAs/NC) catalyst is synthesized and first ever utilized in CTH of FF to FAL. Atomically dispersed Ni-N4 sites change the electron density at the metal center and exhibit specific adsorption and desorption to FF and FAL, promoting an outstanding catalytic performance with turnover frequency (TOF) of 832 h-1 and selectivity as high as 97.1 at 130 oC for 2 h. Such performance is 9-fold higher than that of supported Ni nanocatalysts. The Ni-SAs/NC catalyst also exhibits superior stability for CTH of FF and excellent catalytic activity for other α,β-unsaturated aldehydes. This work provides a new strategy of producing green chemical compounds using catalytic biomass conversion and suggests the future application of long-lasting single-atom catalysts for emerging sustainable technologies.

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