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.
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.
