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XAS Study on Microstructure of Au Nanoparticles Deposited onto Alumina Научная публикация

Конференция

XVI International Synchrotron Radiation Conference
10-14 июл. 2006 , Novosibirsk

Журнал

Nuclear Instruments and Methods in Physics Research Section A
ISSN: 0168-9002

Вых. Данные

Год: 2007, Том: 575, Номер: 1-2, Страницы: 105-108 Страниц : 4 DOI: 10.1016/j.nima.2007.01.036

Ключевые слова

Au nanoparticles, EXAFS, Heterogeneous catalysis, XANES

Авторы

Erenburg S.B. ¹ , Moroz B.L. ² , Bausk N.V. ¹ , Bukhtiyarov V.I. ² , Nikitenko S. ³

Организации

1	Nikolaev Institute of Inorganic Chemistry SB RAS, Lavrentiev Avenue 3, Novosibirsk 630090, Russia
2	Boreskov Institute of Catalysis SB RAS, Lavrentiev Avenue 5, Novosibirsk 630090, Russia
3	KU Leuven, DUBBLE-CRG & ESRF, BP 220, F38143, Grenoble, France

Информация о финансировании (1)

Сибирское отделение Российской академии наук

X-ray adsorption spectroscopy (XAS) was applied to the characterization of the Au/δ-Al2O3 catalysts with different mean Au particle sizes (〈dl〉=2–28 nm) prepared by adsorption of anionic Au(III) hydroxide complexes and calcined in air at 400 °C. The parameters of local atomic surrounding for Au atoms in these catalysts were determined using XANES and EXAFS techniques at 12 and 296 K. In all samples, the only phase detected was metallic gold. A contraction of interatomic Au–Au distance (R1) and a gradual decrease in the coordination number for the first coordination shell of Au atoms (N1), as well as an increase in the Debye–Waller factor (σ) were observed with decreasing mean Au particle size.

Erenburg S.B. , Moroz B.L. , Bausk N.V. , Bukhtiyarov V.I. , Nikitenko S.
XAS Study on Microstructure of Au Nanoparticles Deposited onto Alumina
Nuclear Instruments and Methods in Physics Research Section A. 2007. V.575. N1-2. P.105-108. DOI: 10.1016/j.nima.2007.01.036 WOS Scopus РИНЦ CAPlusCA OpenAlex

Опубликована online:	13 янв. 2007 г.
Опубликована в печати:	21 мая 2007 г.

Web of science:	WOS:000247146600026
Scopus:	2-s2.0-34247610300
РИНЦ:	13558827
Chemical Abstracts:	2007:495046
Chemical Abstracts (print):	148:293085
OpenAlex:	W1972495905

БД	Цитирований
Web of science	10
Scopus	10
РИНЦ	13
OpenAlex	7