Cited by 32Electrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesCO2 Reduction Techniques and Catalysts

Graphite carbon nitride/boron-doped graphene hybrid for efficient hydrogen generation reaction

Open access
Yang, Liang, Wang, Xin, Wang, Juan, Cui, Guomin, Liu, Daoping·2018·Nanotechnology

Abstract

Metal-free carbon materials, with tuned surface chemical and electronic properties, hold great potential for the hydrogen evolution reaction (HER). We designed and synthesized a CN/BG hybrid electrocatalytic system with a porous and active graphite carbon nitride (CN) layer on boron-doped graphene (BG). A porous CN layer on graphene could provide exposed defects and edges that act as active sites for proton adsorption and reduction. The composition, structure, surface electronics, and chemical properties of this CN/BG hybrid system were tuned to obtain excellent HER activity and stability. Detailed surface chemical, morphological, and structural analyses demonstrated the synergetic effect arising from the electronic interaction between CN and BG, which contributed to the enhanced electrocatalytic performances.

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Crossref · 10.1088/1361-6528/aac9ae

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  • Yang et al. generated a boron-doped graphene using a hydrothermal process achieving an overpotential at 10 mA cm−2 (η10) of 260 mV.

    “B doping generate charging-induced asymmetric spin distributions in the p-system of graphene and, this fact, enhances electrocatalytic activity [28], as observed by Yang et al. [29], who generated a boron-doped graphene using a hydrothermal process achieving a overpotential (mV) at 10 mA cm−2 (η10) of 260 mV.”

    From Influence of boron doping level and calcination temperature on hydrogen evolution reaction in acid medium of metal-free graphene aerogels (2023) · cites this paper as [29]

    Section 3.2 reports an overpotential of 260 mV at 10 mA cm−2, but for the carbon-nitride/boron-doped-graphene hybrid, not boron-doped graphene alone. Section 2.2 says the boron-doped graphene was made by heat treatment with boron oxide at 1000 °C, not by a hydrothermal process. Page numbers are unavailable in our copy. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • Boron doping generates charging-induced asymmetric spin distributions in the p-system of graphene and enhances electrocatalytic activity.

    “B doping generate charging-induced asymmetric spin distributions in the p-system of graphene and, this fact, enhances electrocatalytic activity [28], as observed by Yang et al. [29], who generated a boron-doped graphene using a hydrothermal process achieving a overpotential (mV) at 10 mA cm−2 (η10) of 260 mV.”

    From Influence of boron doping level and calcination temperature on hydrogen evolution reaction in acid medium of metal-free graphene aerogels (2023) · cites this paper as [29]

    The asymmetric-spin claim is followed by [28], not the citation to Yang et al. [29]. Yang et al. report an overpotential of 260 mV at 10 mA cm−2 in §3.2, but for a carbon-nitride/boron-doped-graphene hybrid, not boron-doped graphene alone. Section 3.1 describes high-temperature reduction with boron oxide, not a hydrothermal process; page numbers were not available in our copy. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 1

  1. Han Q, Cheng Z H, Gao J, Zhao Y, Zhang Z P, Dai L M and Qu L T 2017 Mesh-on-mesh graphitic-C 3 N 4 @graphene for highly effcient hydrogen evolution Adv. Funct. Mater. 27 1606352 · DOI

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Authors
Yang, L., Wang, X., Wang, J., Cui, G., & Liu, D.
Affiliations
  • University of Shanghai for Science and Technology (CN)
  • Shanghai University of Electric Power (CN)
Corresponding author
  • Yang, Liang
  • Wang, Xin
  • Wang, Juan
Venue
Nanotechnology
Published
2018-06-19
Volume
29
Issue
34
Pages
345705
ISSN
  • 0957-4484 (ISSN-L)
  • 1361-6528
OpenAlex
W2806564750
Cited by
32
References
52
Citations by year
2026: 2 · 2025: 5 · 2024: 1 · 2023: 4 · 2022: 3 · 2021: 7 · 2020: 6 · 2019: 4
FWCI
0.98
Type
journal article
Language
en
Open access
Locations
  • Nanotechnology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
Keywords
hydrogen evolution reaction, graphitic carbon nitride, boron-doped graphene, metal-free electrocatalysts, proton adsorption, electronic interaction, synergistic effect, electrocatalytic stability

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