CVD-grown three-dimensional sulfur-doped graphene as a binder-free electrocatalytic electrode for highly effective and stable hydrogen evolution reaction

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CVD-grown three-dimensional sulfur-doped graphene as a binder-free electrocatalytic electrode for highly effective and stable hydrogen evolution reaction. / Zhou, Jinhao; Qi, Fei; Chen, Yuanfu; Wang, Zegao; Zheng, Binjie; Wang, Xinqiang.

In: Journal of Materials Science, Vol. 53, No. 10, 05.2018, p. 7767-7777.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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Zhou, Jinhao ; Qi, Fei ; Chen, Yuanfu ; Wang, Zegao ; Zheng, Binjie ; Wang, Xinqiang. / CVD-grown three-dimensional sulfur-doped graphene as a binder-free electrocatalytic electrode for highly effective and stable hydrogen evolution reaction. In: Journal of Materials Science. 2018 ; Vol. 53, No. 10. pp. 7767-7777.

Bibtex

@article{848d772ca44041cda3c2b337e082f905,
title = "CVD-grown three-dimensional sulfur-doped graphene as a binder-free electrocatalytic electrode for highly effective and stable hydrogen evolution reaction",
abstract = "Three-dimensional sulfur-doped graphene (3DSG) with high sulfur-doping content (2.9%) was synthesized on nickel foam by chemical vapor deposition using solid organic source of thianthrene as both the carbon source and sulfur dopant. The 3DSG further treated by Ar plasma (3DSG-Ar) was demonstrated as a free-standing and binder-free electrocatalyst without any polymeric binders for electrode fabrication. Particularly, 3DSG-Ar can be used as highly effective and stable electrocatalyst for hydrogen evolution reaction (HER). It delivers a very low Tafel slope of 64 mV dec(-1), which is superior or comparable to most metal-free carbon-based electrocatalysts ever reported; moreover, it shows superior long-term electrocatalytic stability even after 2000 cycles. The excellent HER performances of 3DSG-Ar can be attributed to its well-designed porous, conductive and flexible 3D sulfur-doped graphene structure. Sulfur doping combing with plasma treatment cause a synergistic effect to effectively provide many more electrocatalytic active sites, resulting in significantly improved HER performance. In addition, the conductive, porous and flexible 3D graphene skeleton can not only act as free-standing and binder-free electrocatalytic electrode, but also guarantee the interconnected conductive paths in the whole electrode, leading to facilitate the charge transportation between the electrocatalyst and electrolyte and thus enhance its HER performances.",
keywords = "CHEMICAL-VAPOR-DEPOSITION, METAL-FREE ELECTROCATALYSTS, OXYGEN REDUCTION REACTION, ELECTRICAL-PROPERTIES, NANOPOROUS GRAPHENE, SOLAR-CELLS, EFFICIENT, NITROGEN, CARBON, CATALYST",
author = "Jinhao Zhou and Fei Qi and Yuanfu Chen and Zegao Wang and Binjie Zheng and Xinqiang Wang",
year = "2018",
month = may,
doi = "10.1007/s10853-018-2118-6",
language = "English",
volume = "53",
pages = "7767--7777",
journal = "Journal of Materials Science",
issn = "0022-2461",
publisher = "Springer New York LLC",
number = "10",

}

RIS

TY - JOUR

T1 - CVD-grown three-dimensional sulfur-doped graphene as a binder-free electrocatalytic electrode for highly effective and stable hydrogen evolution reaction

AU - Zhou, Jinhao

AU - Qi, Fei

AU - Chen, Yuanfu

AU - Wang, Zegao

AU - Zheng, Binjie

AU - Wang, Xinqiang

PY - 2018/5

Y1 - 2018/5

N2 - Three-dimensional sulfur-doped graphene (3DSG) with high sulfur-doping content (2.9%) was synthesized on nickel foam by chemical vapor deposition using solid organic source of thianthrene as both the carbon source and sulfur dopant. The 3DSG further treated by Ar plasma (3DSG-Ar) was demonstrated as a free-standing and binder-free electrocatalyst without any polymeric binders for electrode fabrication. Particularly, 3DSG-Ar can be used as highly effective and stable electrocatalyst for hydrogen evolution reaction (HER). It delivers a very low Tafel slope of 64 mV dec(-1), which is superior or comparable to most metal-free carbon-based electrocatalysts ever reported; moreover, it shows superior long-term electrocatalytic stability even after 2000 cycles. The excellent HER performances of 3DSG-Ar can be attributed to its well-designed porous, conductive and flexible 3D sulfur-doped graphene structure. Sulfur doping combing with plasma treatment cause a synergistic effect to effectively provide many more electrocatalytic active sites, resulting in significantly improved HER performance. In addition, the conductive, porous and flexible 3D graphene skeleton can not only act as free-standing and binder-free electrocatalytic electrode, but also guarantee the interconnected conductive paths in the whole electrode, leading to facilitate the charge transportation between the electrocatalyst and electrolyte and thus enhance its HER performances.

AB - Three-dimensional sulfur-doped graphene (3DSG) with high sulfur-doping content (2.9%) was synthesized on nickel foam by chemical vapor deposition using solid organic source of thianthrene as both the carbon source and sulfur dopant. The 3DSG further treated by Ar plasma (3DSG-Ar) was demonstrated as a free-standing and binder-free electrocatalyst without any polymeric binders for electrode fabrication. Particularly, 3DSG-Ar can be used as highly effective and stable electrocatalyst for hydrogen evolution reaction (HER). It delivers a very low Tafel slope of 64 mV dec(-1), which is superior or comparable to most metal-free carbon-based electrocatalysts ever reported; moreover, it shows superior long-term electrocatalytic stability even after 2000 cycles. The excellent HER performances of 3DSG-Ar can be attributed to its well-designed porous, conductive and flexible 3D sulfur-doped graphene structure. Sulfur doping combing with plasma treatment cause a synergistic effect to effectively provide many more electrocatalytic active sites, resulting in significantly improved HER performance. In addition, the conductive, porous and flexible 3D graphene skeleton can not only act as free-standing and binder-free electrocatalytic electrode, but also guarantee the interconnected conductive paths in the whole electrode, leading to facilitate the charge transportation between the electrocatalyst and electrolyte and thus enhance its HER performances.

KW - CHEMICAL-VAPOR-DEPOSITION

KW - METAL-FREE ELECTROCATALYSTS

KW - OXYGEN REDUCTION REACTION

KW - ELECTRICAL-PROPERTIES

KW - NANOPOROUS GRAPHENE

KW - SOLAR-CELLS

KW - EFFICIENT

KW - NITROGEN

KW - CARBON

KW - CATALYST

U2 - 10.1007/s10853-018-2118-6

DO - 10.1007/s10853-018-2118-6

M3 - Journal article

VL - 53

SP - 7767

EP - 7777

JO - Journal of Materials Science

JF - Journal of Materials Science

SN - 0022-2461

IS - 10

ER -