Hydrogen sorption mechanism of oxidized nickel clusters

A. Borgschulte; R.J. Westerwaal; J.H. Rector; B. Dam; R.P. Griessen

doi:10.1063/1.1828592

Hydrogen sorption mechanism of oxidized nickel clusters

A. Borgschulte, R.J. Westerwaal, J.H. Rector, B. Dam, R.P. Griessen

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Abstract

Using an optical technique to measure hydrogen sorption kinetics the catalytic activity of the NiOx clusters is determined. The thus measured temperature dependence reveals an activation energy of 0.58 eV. The catalytic activity of NiOx clusters is studied as a function of the oxygen concentration. The surface properties are analyzed by Auger-electron spectroscopy. It appears that the catalytic hydrogen sorption originates from the dissociative chemisorption of hydrogen on O: Ni, which is strongly suppressed by the presence of oxides. © 2004 American Institute of Physics.

Original language	English
Pages (from-to)	4884-4886
Number of pages	3
Journal	Applied Physics Letters
Volume	85
Issue number	21
DOIs	https://doi.org/10.1063/1.1828592
Publication status	Published - 2004

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Times Cited: 14

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10.1063/1.1828592

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title = "Hydrogen sorption mechanism of oxidized nickel clusters",

abstract = "Using an optical technique to measure hydrogen sorption kinetics the catalytic activity of the NiOx clusters is determined. The thus measured temperature dependence reveals an activation energy of 0.58 eV. The catalytic activity of NiOx clusters is studied as a function of the oxygen concentration. The surface properties are analyzed by Auger-electron spectroscopy. It appears that the catalytic hydrogen sorption originates from the dissociative chemisorption of hydrogen on O: Ni, which is strongly suppressed by the presence of oxides. {\textcopyright} 2004 American Institute of Physics.",

author = "A. Borgschulte and R.J. Westerwaal and J.H. Rector and B. Dam and R.P. Griessen",

note = "Times Cited: 14",

year = "2004",

doi = "10.1063/1.1828592",

language = "English",

volume = "85",

pages = "4884--4886",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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T1 - Hydrogen sorption mechanism of oxidized nickel clusters

AU - Borgschulte, A.

AU - Westerwaal, R.J.

AU - Rector, J.H.

AU - Dam, B.

AU - Griessen, R.P.

N1 - Times Cited: 14

PY - 2004

Y1 - 2004

N2 - Using an optical technique to measure hydrogen sorption kinetics the catalytic activity of the NiOx clusters is determined. The thus measured temperature dependence reveals an activation energy of 0.58 eV. The catalytic activity of NiOx clusters is studied as a function of the oxygen concentration. The surface properties are analyzed by Auger-electron spectroscopy. It appears that the catalytic hydrogen sorption originates from the dissociative chemisorption of hydrogen on O: Ni, which is strongly suppressed by the presence of oxides. © 2004 American Institute of Physics.

AB - Using an optical technique to measure hydrogen sorption kinetics the catalytic activity of the NiOx clusters is determined. The thus measured temperature dependence reveals an activation energy of 0.58 eV. The catalytic activity of NiOx clusters is studied as a function of the oxygen concentration. The surface properties are analyzed by Auger-electron spectroscopy. It appears that the catalytic hydrogen sorption originates from the dissociative chemisorption of hydrogen on O: Ni, which is strongly suppressed by the presence of oxides. © 2004 American Institute of Physics.

U2 - 10.1063/1.1828592

DO - 10.1063/1.1828592

M3 - Article

SN - 0003-6951

VL - 85

SP - 4884

EP - 4886

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 21

ER -

Hydrogen sorption mechanism of oxidized nickel clusters

Abstract

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