Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation
Тип публикации: Journal Article
Дата публикации: 2014-08-07
scimago Q1
wos Q3
БС1
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Краткое описание
A series of Au/TiO2 catalysts for CO oxidation with same Au loading but different Au nanoparticles (NPs) sizes were prepared by varying the calcination temperatures and biomass concentration via a biosynthetic approach. The resulting catalysts were characterized by DRUV–vis, TEM, and TG techniques. The experimental results showed that the activity of the gold catalysts for CO oxidation was very sensitive to the particle size. Among the tested catalysts, the one with mean size of 3.8 nm was the most active. As determined by TEM, the contact boundary between the Au NPs and the TiO2 support was related to the size of the Au NPs. For the most active catalyst, hemispherical Au NPs (3.8 ± 0.6 nm) had the best contact boundary with the TiO2 support, yielding the longest perimeter interface, suggesting that the contact boundary was the most critical factor for the CO oxidation. The in-situ FTIR study of CO adsorption on the catalysts showed that CO was not adsorbed on the Au surface. This might be due to the modi...
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Du M. et al. Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation // Journal of Physical Chemistry C. 2014. Vol. 118. No. 33. pp. 19150-19157.
ГОСТ со всеми авторами (до 50)
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Yang H., Li Q. Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation // Journal of Physical Chemistry C. 2014. Vol. 118. No. 33. pp. 19150-19157.
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TY - JOUR
DO - 10.1021/jp504681f
UR - https://doi.org/10.1021/jp504681f
TI - Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation
T2 - Journal of Physical Chemistry C
AU - Yang, Hongwei
AU - Li, Qingbiao
PY - 2014
DA - 2014/08/07
PB - American Chemical Society (ACS)
SP - 19150-19157
IS - 33
VL - 118
SN - 1932-7447
SN - 1932-7455
ER -
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@article{2014_Du,
author = {Hongwei Yang and Qingbiao Li},
title = {Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation},
journal = {Journal of Physical Chemistry C},
year = {2014},
volume = {118},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/jp504681f},
number = {33},
pages = {19150--19157},
doi = {10.1021/jp504681f}
}
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MLA
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Du, Mingming, et al. “Influence of Au Particle Size on Au/TiO2 Catalysts for CO Oxidation.” Journal of Physical Chemistry C, vol. 118, no. 33, Aug. 2014, pp. 19150-19157. https://doi.org/10.1021/jp504681f.