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Highly oxidized gold nanoparticles : In situ synthesis, electronic properties, and reaction probability toward CO oxidation. / Kibis, Lidiya S.; Stadnichenko, Andrey I.; Koscheev, Sergey V. и др.

в: Journal of Physical Chemistry C, Том 119, № 5, 05.02.2015, стр. 2523-2529.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Kibis, Lidiya S. ; Stadnichenko, Andrey I. ; Koscheev, Sergey V. и др. / Highly oxidized gold nanoparticles : In situ synthesis, electronic properties, and reaction probability toward CO oxidation. в: Journal of Physical Chemistry C. 2015 ; Том 119, № 5. стр. 2523-2529.

BibTeX

@article{c8bff14821c64c83a4d0ece112a064a2,
title = "Highly oxidized gold nanoparticles: In situ synthesis, electronic properties, and reaction probability toward CO oxidation",
abstract = "Highly oxidized gold nanoparticles prepared by RF-discharge under an oxygen atmosphere were studied by X-ray photoelectron spectroscopy and transmission electron microscopy depending on the particle size. A surface-like gold oxide was found in the case of small nanoparticles (1-2 nm) obtained at the first steps of deposition. With an increase of the particle size up to 5 nm, a bulklike gold oxide was formed. The O 1s spectra exhibited an oxygen peak at binding energy Eb = 529.4 eV for the surface-like oxide and Eb = 530.7 eV for the bulklike gold-oxide. The reaction probability of oxidized gold nanoparticles was examined in the reaction of CO oxidation at room temperature. The surface-like gold oxide interacted with CO with a high reaction probability of approximately 0.005, while CO interaction with the bulklike oxide was characterized by an induction period with lower reaction probability (0.001). The mechanisms of the interaction of oxidized gold nanoparticles with CO depending on its size are discussed.",
author = "Kibis, {Lidiya S.} and Stadnichenko, {Andrey I.} and Koscheev, {Sergey V.} and Zaikovskii, {Vladimir I.} and Boronin, {Andrei I.}",
year = "2015",
month = feb,
day = "5",
doi = "10.1021/jp510684s",
language = "English",
volume = "119",
pages = "2523--2529",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Highly oxidized gold nanoparticles

T2 - In situ synthesis, electronic properties, and reaction probability toward CO oxidation

AU - Kibis, Lidiya S.

AU - Stadnichenko, Andrey I.

AU - Koscheev, Sergey V.

AU - Zaikovskii, Vladimir I.

AU - Boronin, Andrei I.

PY - 2015/2/5

Y1 - 2015/2/5

N2 - Highly oxidized gold nanoparticles prepared by RF-discharge under an oxygen atmosphere were studied by X-ray photoelectron spectroscopy and transmission electron microscopy depending on the particle size. A surface-like gold oxide was found in the case of small nanoparticles (1-2 nm) obtained at the first steps of deposition. With an increase of the particle size up to 5 nm, a bulklike gold oxide was formed. The O 1s spectra exhibited an oxygen peak at binding energy Eb = 529.4 eV for the surface-like oxide and Eb = 530.7 eV for the bulklike gold-oxide. The reaction probability of oxidized gold nanoparticles was examined in the reaction of CO oxidation at room temperature. The surface-like gold oxide interacted with CO with a high reaction probability of approximately 0.005, while CO interaction with the bulklike oxide was characterized by an induction period with lower reaction probability (0.001). The mechanisms of the interaction of oxidized gold nanoparticles with CO depending on its size are discussed.

AB - Highly oxidized gold nanoparticles prepared by RF-discharge under an oxygen atmosphere were studied by X-ray photoelectron spectroscopy and transmission electron microscopy depending on the particle size. A surface-like gold oxide was found in the case of small nanoparticles (1-2 nm) obtained at the first steps of deposition. With an increase of the particle size up to 5 nm, a bulklike gold oxide was formed. The O 1s spectra exhibited an oxygen peak at binding energy Eb = 529.4 eV for the surface-like oxide and Eb = 530.7 eV for the bulklike gold-oxide. The reaction probability of oxidized gold nanoparticles was examined in the reaction of CO oxidation at room temperature. The surface-like gold oxide interacted with CO with a high reaction probability of approximately 0.005, while CO interaction with the bulklike oxide was characterized by an induction period with lower reaction probability (0.001). The mechanisms of the interaction of oxidized gold nanoparticles with CO depending on its size are discussed.

UR - http://www.scopus.com/inward/record.url?scp=84922365476&partnerID=8YFLogxK

U2 - 10.1021/jp510684s

DO - 10.1021/jp510684s

M3 - Article

AN - SCOPUS:84922365476

VL - 119

SP - 2523

EP - 2529

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

SN - 1932-7447

IS - 5

ER -

ID: 25416375