Nanostructured bimetallic Zn/Co in N-doped carbon as an efficient catalyst for the alcohol dehydrogenation to carboxylic acids under solvent-free conditions  

作　　者：Zhong-Hui Zheng Somboon Chaemchuen Jun-Fei Gu Jing Hang Wei Sang Ji-Chao Wang Ye Yuan Cheng Chen 

机构地区：[1]State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,Wuhan University of Technology,Wuhan 430070,China [2]School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

出　　处：《Journal of Materials Science & Technology》2023年第30期111-122,共12页材料科学技术（英文版）

基　　金：This work was financially supported by the Natural Science Foundation of Hubei Province(No.2022CFB388);the fund of the Key Laboratory of Catalysis and Energy Materials Chemistry of the Ministry of Education&Hubei Key Laboratory of Catalysis and Ma-terials Science(No.CHCL19002);the State Key Laboratory of Ad-vanced Technology for Materials Synthesis and Processing(Wuhan University of Technology,No.2021-KF-19);the National Natural Science Foundation of China(No.22102127).We would also like to thank eceshi(www.eceshi.com)for the TPD tests.

摘　　要：The catalytic alcohol dehydrogenation to carboxylic acids has been demonstrated as an atom-economic and environmental-friendly synthetic method.However,the reported catalysts either require relatively complicated synthesis or exhibit high activity only in the presence of a solvent.Therefore,it is still in high demand to obtain catalysts that feature facile synthesis and perform well even without any solvent.Herein,a series of nanostructured bimetallic Zn/Co species embedded in N-doped hierarchical porous carbon were fabricated in a facile and green manner.More significantly,the best-performing material(Zn/Co@NC-800)was identified as the first heterogeneous catalyst to enable this transformation under solvent-free conditions.Moreover,the as-prepared composites were comprehensively investigated to de-termine their structural and morphological properties,which rationalized the superiority of Zn/Co@NC-800 over the other synthesized materials.Further studies signified that Co sites(both Co^(0)and Co^(2+))and N species(mainly pyridinic N)were probably involved in this process,functioning as the Lewis acid site and basic site,respectively.Hopefully,this study could provide a simple and sustainable method for carboxylic acid synthesis.

关 键 词：Heterogeneous catalysis BIMETALLIC ZIFs Pyrolysis SOLVENT-FREE Alcohol dehydrogenation Carboxylic acids 

分 类 号：TB33[一般工业技术—材料科学与工程]