Abstract
Elaborate design of highly active and stable catalysts from Earth-abundant elements has great potential to produce materials that can replace the noble-metal-based catalysts commonly used in a range of useful (electro)chemical processes. Here we report, for the first time, a synthetic method that leads to in situ growth of {2¯10} high-index faceted Ni3S2 nanosheet arrays on nickel foam (NF). We show that the resulting material, denoted Ni3S2/NF, can serve as a highly active, binder-free, bifunctional electrocatalyst for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). Ni3S2/NF is found to give ∼100% Faradaic yield toward both HER and OER and to show remarkable catalytic stability (for >200 h). Experimental results and theoretical calculations indicate that Ni3S2/NF's excellent catalytic activity is mainly due to the synergistic catalytic effects produced in it by its nanosheet arrays and exposed {2¯10} high-index facets.
| Original language | English |
|---|---|
| Pages (from-to) | 14023-14026 |
| Number of pages | 4 |
| Journal | Journal of the American Chemical Society |
| Volume | 137 |
| Issue number | 44 |
| DOIs | |
| Publication status | Published - Nov 11 2015 |
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ASJC Scopus subject areas
- Chemistry(all)
- Catalysis
- Biochemistry
- Colloid and Surface Chemistry
Cite this
High-Index Faceted Ni3S2 Nanosheet Arrays as Highly Active and Ultrastable Electrocatalysts for Water Splitting. / Feng, Liang Liang; Yu, Guangtao; Wu, Yuanyuan; Li, Guo Dong; Li, Hui; Sun, Yuanhui; Asefa, Teddy; Chen, Wei; Zou, Xiaoxin.
In: Journal of the American Chemical Society, Vol. 137, No. 44, 11.11.2015, p. 14023-14026.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - High-Index Faceted Ni3S2 Nanosheet Arrays as Highly Active and Ultrastable Electrocatalysts for Water Splitting
AU - Feng, Liang Liang
AU - Yu, Guangtao
AU - Wu, Yuanyuan
AU - Li, Guo Dong
AU - Li, Hui
AU - Sun, Yuanhui
AU - Asefa, Teddy
AU - Chen, Wei
AU - Zou, Xiaoxin
PY - 2015/11/11
Y1 - 2015/11/11
N2 - Elaborate design of highly active and stable catalysts from Earth-abundant elements has great potential to produce materials that can replace the noble-metal-based catalysts commonly used in a range of useful (electro)chemical processes. Here we report, for the first time, a synthetic method that leads to in situ growth of {2¯10} high-index faceted Ni3S2 nanosheet arrays on nickel foam (NF). We show that the resulting material, denoted Ni3S2/NF, can serve as a highly active, binder-free, bifunctional electrocatalyst for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). Ni3S2/NF is found to give ∼100% Faradaic yield toward both HER and OER and to show remarkable catalytic stability (for >200 h). Experimental results and theoretical calculations indicate that Ni3S2/NF's excellent catalytic activity is mainly due to the synergistic catalytic effects produced in it by its nanosheet arrays and exposed {2¯10} high-index facets.
AB - Elaborate design of highly active and stable catalysts from Earth-abundant elements has great potential to produce materials that can replace the noble-metal-based catalysts commonly used in a range of useful (electro)chemical processes. Here we report, for the first time, a synthetic method that leads to in situ growth of {2¯10} high-index faceted Ni3S2 nanosheet arrays on nickel foam (NF). We show that the resulting material, denoted Ni3S2/NF, can serve as a highly active, binder-free, bifunctional electrocatalyst for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). Ni3S2/NF is found to give ∼100% Faradaic yield toward both HER and OER and to show remarkable catalytic stability (for >200 h). Experimental results and theoretical calculations indicate that Ni3S2/NF's excellent catalytic activity is mainly due to the synergistic catalytic effects produced in it by its nanosheet arrays and exposed {2¯10} high-index facets.
UR - http://www.scopus.com/inward/record.url?scp=84947433310&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84947433310&partnerID=8YFLogxK
U2 - 10.1021/jacs.5b08186
DO - 10.1021/jacs.5b08186
M3 - Article
VL - 137
SP - 14023
EP - 14026
JO - Journal of the American Chemical Society
JF - Journal of the American Chemical Society
SN - 0002-7863
IS - 44
ER -