Citation: Cheng Wang, Liya Hu, Meiyin Wang, Yuanhang Ren, Bin Yue, Heyong He. Vanadium supported on graphitic carbon nitride as a heterogeneous catalyst for the direct oxidation of benzene to phenol[J]. Chinese Journal of Catalysis, ;2016, 37(11): 2003-2008. doi: 10.1016/S1872-2067(16)62496-8 shu

Vanadium supported on graphitic carbon nitride as a heterogeneous catalyst for the direct oxidation of benzene to phenol

Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200433, China

Received Date: 17 June 2016
Revised Date: 21 July 2016

Fund Project: This work was supported by the National Natural Science Foundation of China (21371035, 21473036) and SINOPEC (X514005).

A series of graphitic carbon nitride supported vanadium catalysts (xV/g-C₃N₄) with different vana-dium contents (x/%) were prepared by impregnation. XRD, FT-IR, TEM, TG-DTG, nitrogen adsorp-tion and XPS characterizations were conducted which revealed a strong interaction between the vanadium species and g-C₃N₄ support. 8V/g-C₃N₄ exhibited the highest activity and showed stable recyclability in the benzene hydroxylation reaction with a benzene conversion of 24.6% and phenol selectivity of 99.2% under the optimized conditions. The excellent catalytic performance of xV/g-C₃N₄ was due to the integration of vanadium species with high catalytic activity and the g-C₃N₄ support in their interaction with the benzene substrate.
- Carbon nitride,
- Vanadium,
- Benzene hydroxylation,
- Phenol,
- Impregnation
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