Phosphorus and nitrogen co-doped graphene for catalytic dehydrochlorination of 1,2-dichloroethane

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

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Phosphorus and nitrogen co-doped graphene for catalytic dehydrochlorination of 1,2-dichloroethane

Full Length Article | Updated：2026-01-06

- Phosphorus and nitrogen co-doped graphene for catalytic dehydrochlorination of 1,2-dichloroethane
- Chinese Journal of Chemical Engineering Vol. 64, Issue 12, Pages: 149-155(2023)
- Affiliations：
  
  1. CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences,Dalian,China,116023
  2. University of Chinese Academy of Sciences,Beijing,China,100049
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Haonan Yu, Xiaofeng Yang, Hongbin Yang, Jinming Xu, Yanqiang Huang. Phosphorus and nitrogen co-doped graphene for catalytic dehydrochlorination of 1,2-dichloroethane[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 149-155.
DOI：

Haonan Yu, Xiaofeng Yang, Hongbin Yang, Jinming Xu, Yanqiang Huang. Phosphorus and nitrogen co-doped graphene for catalytic dehydrochlorination of 1,2-dichloroethane[J]. Chinese Journal of Chemical Engineering, 2023, 64(12): 149-155. DOI：

摘要

Abstract

A phosphorus and nitrogen co-doped graphene (PNG) was developed via a two-step pyrolysis approach through the intermedium of g-C

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 are also great pot

ential on the catalytic application in the dehydrochlorination of 1

2-dichloroethane.

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