Co-existance of various active gold species in Au-mordenite catalyst for CO oxidation; Catalysis Communications; Vol. 8, iss. 7

Co-existance of various active gold species in Au-mordenite catalyst for CO oxidation; Catalysis Communications; Vol. 8, iss. 7

Bibliographic Details
Parent link:	Catalysis Communications.— , 2000- Vol. 8, iss. 7.— 2007.— P. 977-980
Other Authors:	Tuzovskaya I. V., Simakov A. V., Pestryakov A. N. Aleksey Nikolaevich, Bogdanchikova N. E., Gurin V. V., Farıas M. H., Tiznado H. J., Avalos M.
Summary:	Different structural and electronic states of gold species in H-mordenite with SiO2/Al2O3 molar ratio 206 and their transformations under redox treatments have been studied by the methods of diffuse reflectance UV-visible spectroscopy and FTIR spectroscopy of adsorbed CO. Different states of ionic and metallic gold were detected in the zeolite channels and on the external surface of the zeolite -Au+ and Au3+ ions, charged clusters Audюn , and neutral nanoparticles Aum. Catalytic tests of the samples revealed the co-existence of several types of active species of gold in CO oxidation - gold clusters <1.5 nm (responsible for low-temperature activity) and gold nanoparticles (responsible for high-temperature activity). В фонде НТБ ТПУ отсутствует
Language:	English
Published:	2007
Subjects:	труды учёных ТПУ
Format:	Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=599042

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