VOx-MoOy single molecular layer modified graphic carbon nitride polymer for enhanced selective styrene oxidation

Graphic carbon nitride polymer was modified with transition bimetals compounds by impregnation of pre-prepared g-C3N4 in aqueous solution of ammonium molybdate and vanadate. The prepared hybrid material was characterized by XRD, SEM, TEM, FT-IR, XPS and N-2 adsorption-desorption techniques to determine its surface morphology, composition and structure. The results revealed that VOx-MoOy single molecular layer incorporated into g-C3N4 molecule framework by interaction between host and guest was fabricated. The hybrid composite was employed as catalyst for styrene oxidation to benzaldehyde using molecular oxygen as oxidant. The results indicated that the composite was highly active and selective for styrene oxidation, giving TON 458.8 mol/mol((mo+v)) and 96.7% selectivity to benzaldehyde. The correlation between high activity and surface properties the catalyst was explored. (C) 2021 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

Automated summary

Transition bimetals compounds were impregnated into graphic carbon nitride polymer to fabricate a highly active and selective hybrid catalyst for styrene oxidation reaction. The correlation between high activity and surface properties of the catalyst was explored.