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Phosphorus and Nitrogen Co-doped Graphene for Catalytic Dehydrochlorination of 1,2-Dichloroethane by Haonan Yu; Xiaofeng Yang; Hongbin Yang; Jinming Xu; Yanqiang Huang is a Engineering article available to read on EtoBox.

What is Phosphorus and Nitrogen Co-doped Graphene for Catalytic Dehydrochlorination of 1,2-Dichloroethane about?

A phosphorus and nitrogen co-doped graphene (PNG) was developed via a two-step pyrolysis approach through the intermedium of g-C3N4 template and glyphosate as the phosphorus source, and was used for the catalytic dehydrochlorination of 1,2-dichloroethane (EDC) to vinyl chloride monomer (VCM) production. The characterization results indicate that a volcano relationship of surface area and surface properties with the usage of phosphorus precursor was observed, and the sample of PNG-900-6 possesses not only the thin film structure with enhanced surface area but also the smaller grain size of PNG attachments. Accordingly, such PNGs show a great improvement of catalytic performance in the dehydrochlorination of EDC, and the PNG-900-6 catalyst behaves the best with a 4-times higher activity than that on the nitrogen doped graphene (NG). It was also proved that the synergetic effect of the unique P-C coordination on the graphene to generate more quaternary nitrogen species was crucial in determining the catalytic performance of EDC conversion. Our results demonstrate that the phosphorus and nitrogen co-doped graphene offers many advantages in physical structure and chemical property, and

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Author

Haonan Yu; Xiaofeng Yang; Hongbin Yang; Jinming Xu; Yanqiang Huang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)