Nanostructured MoS2 is very promising as an electrocatalyst for hydrogen evolution due to a greater number of active edge sites. However, a very large resistance between basal planes decreases the overall efficiency of hydrogen evolution, and greatly limits its application in industry. Herein we develop a facile strategy to synergistically increase the number of active edge sites and the conductivity of MoS2. MoS2 nanosheet arrays can be grown vertically on a carbon fiber cloth (CFC) substrates by a facile strategy. On the one hand, ammonium fluoride in the reaction system could effectively etch the inert basal plane of the MoS2 nanosheets, leading to the formation of pits in the inert basal plane of the MoS2 nanosheets. Thereby the number of active edge sites is significantly increased. On the other hand, the vertical growth of MoS2 nanosheet arrays on CFCs can significantly decrease the resistance of MoS2-based electrocatalysts. As a result, the MoS2-based electrocatalysts exhibit excellent catalytic activity for hydrogen evolution reactions, with a small Tafel slope and a large cathodic current density. Moreover, the CFC can be repeatedly utilized as a template to grow ultrathin MoS2 nanosheet arrays for HERs. The excellent activity and recyclable utilization, as well as mass production, indicate that the composite has promising applications in industry.
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Karunadasa, Hemamala I.
;
Montalvo, Elizabeth
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Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Montalvo, Elizabeth
;
Sun, Yujie
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Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Sun, Yujie
;
Majda, Marcin
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Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Majda, Marcin
;
Long, Jeffrey R.
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Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Long, Jeffrey R.
;
Chang, Christopher J.
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h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA
Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Kong, Desheng
;
Wang, Haotian
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Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Wang, Haotian
;
Cha, Judy J.
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Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Cha, Judy J.
;
Pasta, Mauro
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Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Pasta, Mauro
;
Koski, Kristie J.
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Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Koski, Kristie J.
;
Yao, Jie
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Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Yao, Jie
;
Cui, Yi
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机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Karunadasa, Hemamala I.
;
Montalvo, Elizabeth
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Montalvo, Elizabeth
;
Sun, Yujie
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h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Sun, Yujie
;
Majda, Marcin
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Majda, Marcin
;
Long, Jeffrey R.
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h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Long, Jeffrey R.
;
Chang, Christopher J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA
Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USAUniv Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Kong, Desheng
;
Wang, Haotian
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Wang, Haotian
;
Cha, Judy J.
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Cha, Judy J.
;
Pasta, Mauro
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Pasta, Mauro
;
Koski, Kristie J.
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Koski, Kristie J.
;
Yao, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
Yao, Jie
;
Cui, Yi
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USAStanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA