Phosphorus and Halogen Co-Doped Graphene Materials and their Electrochemistry

Lu Wang, Zdenek Sofer, Radek Zboril, Klara Cepe, Martin Pumera

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Doping of graphene materials with heteroatoms is important as it can change their electronic and electrochemical properties. Here, graphene is co-doped with n-type dopants such as phosphorus and halogen (Cl, Br, I). Phosphorus and halogen are introduced through the treatment of graphene oxide with PX3gas (PCl3, PBr3, and PI3). Graphene oxides are prepared through chlorate and permanganate routes. Detailed chemical and structural characterization demonstrates that the graphene sheets are covered homogeneously by phosphorus and halogen atoms. It is found that the amount of phosphorus and halogen introduced depends on the graphene oxide preparation method. The electrocatalytic effect of the resulting co-doped materials is demonstrated for industrially relevant electrochemical reactions such as the hydrogen evolution and oxygen reduction reactions.

Original languageEnglish
Pages (from-to)15444-15450
Number of pages7
JournalChemistry - A European Journal
Volume22
Issue number43
DOIs
Publication statusPublished - 2016 Jan 1

Fingerprint

Halogens
Graphite
Electrochemistry
Phosphorus
Graphene
Oxides
Doping (additives)
Chlorates
Electrochemical properties
Electronic properties
Hydrogen
Oxygen
Atoms

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Organic Chemistry

Cite this

Wang, Lu ; Sofer, Zdenek ; Zboril, Radek ; Cepe, Klara ; Pumera, Martin. / Phosphorus and Halogen Co-Doped Graphene Materials and their Electrochemistry. In: Chemistry - A European Journal. 2016 ; Vol. 22, No. 43. pp. 15444-15450.
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Phosphorus and Halogen Co-Doped Graphene Materials and their Electrochemistry. / Wang, Lu; Sofer, Zdenek; Zboril, Radek; Cepe, Klara; Pumera, Martin.

In: Chemistry - A European Journal, Vol. 22, No. 43, 01.01.2016, p. 15444-15450.

Research output: Contribution to journalArticle

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