MOF-Derived Zn-Doped CoSe2 as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction

Qiuchun Dong; Qian Wang; Ziyang Dai; Huajun Qiu; Xiaochen Dong

doi:10.1021/acsami.6b10160

MOF-Derived Zn-Doped CoSe₂ as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction

Qiuchun Dong, Qian Wang, Ziyang Dai, Huajun Qiu, Xiaochen Dong

柔性电子（未来科技）学院|先进材料研究院

科研成果: 期刊稿件 › 文章 › 同行评审

197 引用（Scopus）

摘要

Developing highly active electrocatalysts with low cost and high efficiency for oxygen evolution reactions (OER) is important for the practical implementations of hydrogen energy. Here, we report a Zn-doped CoSe₂ nanosheets grown on free-standing carbon fabric collector (CFC), which was synthesized by using a metal-organic framework (MOF) as precursor and followed by a selenylation process. Importantly, the Zn-doped CoSe₂/CFC electrode exhibited an obviously enhanced catalytic activity for OER in 1 M KOH aqueous solution compared with CoSe₂/CFC, showing a small overpotential of 356 mV for a current density of 10 mA cm^-2, a small Tafel slope of 88 mV dec^-1, and an excellent stability. The robust and free-standing electrode shows great potential as an economic catalyst for OER applications.

源语言	英语
页（从-至）	26902-26907
页数	6
期刊	ACS Applied Materials and Interfaces
卷	8
期	40
DOI	https://doi.org/10.1021/acsami.6b10160
出版状态	已出版 - 12 10月 2016

联合国可持续发展目标

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10.1021/acsami.6b10160

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引用此

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title = "MOF-Derived Zn-Doped CoSe2 as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction",

abstract = "Developing highly active electrocatalysts with low cost and high efficiency for oxygen evolution reactions (OER) is important for the practical implementations of hydrogen energy. Here, we report a Zn-doped CoSe2 nanosheets grown on free-standing carbon fabric collector (CFC), which was synthesized by using a metal-organic framework (MOF) as precursor and followed by a selenylation process. Importantly, the Zn-doped CoSe2/CFC electrode exhibited an obviously enhanced catalytic activity for OER in 1 M KOH aqueous solution compared with CoSe2/CFC, showing a small overpotential of 356 mV for a current density of 10 mA cm-2, a small Tafel slope of 88 mV dec-1, and an excellent stability. The robust and free-standing electrode shows great potential as an economic catalyst for OER applications.",

keywords = "atomic doping, CoSe, free-standing, MOF derivative, water splitting",

author = "Qiuchun Dong and Qian Wang and Ziyang Dai and Huajun Qiu and Xiaochen Dong",

note = "Publisher Copyright: {\textcopyright} 2016 American Chemical Society.",

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T1 - MOF-Derived Zn-Doped CoSe2 as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction

AU - Dong, Qiuchun

AU - Wang, Qian

AU - Dai, Ziyang

AU - Qiu, Huajun

AU - Dong, Xiaochen

PY - 2016/10/12

Y1 - 2016/10/12

N2 - Developing highly active electrocatalysts with low cost and high efficiency for oxygen evolution reactions (OER) is important for the practical implementations of hydrogen energy. Here, we report a Zn-doped CoSe2 nanosheets grown on free-standing carbon fabric collector (CFC), which was synthesized by using a metal-organic framework (MOF) as precursor and followed by a selenylation process. Importantly, the Zn-doped CoSe2/CFC electrode exhibited an obviously enhanced catalytic activity for OER in 1 M KOH aqueous solution compared with CoSe2/CFC, showing a small overpotential of 356 mV for a current density of 10 mA cm-2, a small Tafel slope of 88 mV dec-1, and an excellent stability. The robust and free-standing electrode shows great potential as an economic catalyst for OER applications.

AB - Developing highly active electrocatalysts with low cost and high efficiency for oxygen evolution reactions (OER) is important for the practical implementations of hydrogen energy. Here, we report a Zn-doped CoSe2 nanosheets grown on free-standing carbon fabric collector (CFC), which was synthesized by using a metal-organic framework (MOF) as precursor and followed by a selenylation process. Importantly, the Zn-doped CoSe2/CFC electrode exhibited an obviously enhanced catalytic activity for OER in 1 M KOH aqueous solution compared with CoSe2/CFC, showing a small overpotential of 356 mV for a current density of 10 mA cm-2, a small Tafel slope of 88 mV dec-1, and an excellent stability. The robust and free-standing electrode shows great potential as an economic catalyst for OER applications.

KW - atomic doping

KW - CoSe

KW - free-standing

KW - MOF derivative

KW - water splitting

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DO - 10.1021/acsami.6b10160

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SN - 1944-8244

VL - 8

SP - 26902

EP - 26907

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 40

ER -

MOF-Derived Zn-Doped CoSe2 as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction

摘要

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MOF-Derived Zn-Doped CoSe₂ as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction