Nanostructured nickel phosphide as an electrocatalyst for the hydrogen evolution reaction

Eric J. Popczun; James R. McKone; Carlos G. Read; Adam J. Biacchi; Alex M. Wiltrout; Nathan S. Lewis; Raymond E. Schaak

doi:10.1021/ja403440e

Nanostructured nickel phosphide as an electrocatalyst for the hydrogen evolution reaction

Eric J. Popczun, James R. McKone, Carlos G. Read, Adam J. Biacchi, Alex M. Wiltrout, Nathan S. Lewis, Raymond E. Schaak

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2654 Scopus citations

Abstract

Nanoparticles of nickel phosphide (Ni₂P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni₂P nanoparticles were hollow and faceted to expose a high density of the Ni ₂P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni₂P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H₂(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.

Original language	English (US)
Pages (from-to)	9267-9270
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	135
Issue number	25
DOIs	https://doi.org/10.1021/ja403440e
State	Published - Jun 26 2013

All Science Journal Classification (ASJC) codes

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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abstract = "Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni 2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.",

author = "Popczun, {Eric J.} and McKone, {James R.} and Read, {Carlos G.} and Biacchi, {Adam J.} and Wiltrout, {Alex M.} and Lewis, {Nathan S.} and Schaak, {Raymond E.}",

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T1 - Nanostructured nickel phosphide as an electrocatalyst for the hydrogen evolution reaction

AU - Popczun, Eric J.

AU - McKone, James R.

AU - Read, Carlos G.

AU - Biacchi, Adam J.

AU - Wiltrout, Alex M.

AU - Lewis, Nathan S.

AU - Schaak, Raymond E.

PY - 2013/6/26

Y1 - 2013/6/26

N2 - Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni 2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.

AB - Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni 2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.

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Nanostructured nickel phosphide as an electrocatalyst for the hydrogen evolution reaction

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