Abstract
Doping carbon-based materials with heteroatoms is considered an effective strategy to enhance their catalytic activity by altering their electronic structure and chemical properties. In this study, fluorine doped activated carbon was synthesized and used in acetylene dimerization reaction. Fluorine has the highest electronegativity (3.98) and can induce neighboring carbon atoms to possess a stronger positive charge, thereby generating Lewis acid sites between the two atoms. The resulting carbon material exhibited abundant Lewis acid sites ensuring the ample exposure and availability of catalytic sites to facilitate notable activity in acetylene dimerization. Theoretical calculations indicated that the introduction of F could help to alleviate the progression of polymers. This research provides a promising approach to the development of solid acid catalysts with excellent catalytic performance by incorporating Lewis acid sites onto carbon materials.
Published Version
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