Particle Size Effect on CH4 Oxidation Over Noble Metals: Comparison of Pt and Pd Catalysts | Sciact - CRIS-система Института катализа

Particle Size Effect on CH4 Oxidation Over Noble Metals: Comparison of Pt and Pd Catalysts Научная публикация

Конференция

9th International Congress on Catalysis and Automotive Pollution Control
29-31 авг. 2012 , Brussels

Журнал

Topics in Catalysis
ISSN: 1022-5528 , E-ISSN: 1572-9028

Вых. Данные

Год: 2013, Том: 56, Номер: 1-8, Страницы: 306-310 Страниц : 5 DOI: 10.1007/s11244-013-9971-y

Ключевые слова

In situ XPS, Methane oxidation, Noble metals, Palladium, Particle size effect, Platinum/alumina, Turnover frequency (TOF)

Авторы

Stakheev A.Yu. ¹ , Batkin A.M. ¹ , Telegina N.S. ¹ , Bragina G.O. ¹ , Zaikovsky V.I. ² , Prosvirin I.P. ² , Khudorozhkov A.K. ² , Bukhtiyarov V.I. ²

Организации

1	Zelinsky Institute of Organic Chemistry RAS, Leninsky Prosp. 47, Moscow 119991, Russia
2	Boreskov Institute of Catalysis SB RAS, Prosp. Lavrentieva 5, Novosibirsk 630090, Russia

Информация о финансировании (1)

Федеральное агентство научных организаций России

V.45.3.2.

Intrinsic catalytic activities (TOF values) in CH4 complete oxidation under lean conditions were estimated as a function of Pt and Pd particle sizes (dm) for two series of Pt/Al2O3 and Pd/Al2O3 catalysts. Comparison of TOF ~ f(dm) relationships revealed significant difference between Pt and Pd catalysts. For Pt catalyst TOF showed tendency to increase by 2–3 times with increasing particle size from 1 to ca 3 nm and remained constant, when Pt particles became larger than 3 nm. On the other hand, for Pd catalyst TOF increased almost linearly when particle size grew from 1 to 20 nm. These different tendencies were attributed to the different mechanisms of CH4 oxidation over Pt and Pd catalysts: Langmuir–Hinshelwood and Mars-Van Krevelen respectively.

Stakheev A.Y. , Batkin A.M. , Telegina N.S. , Bragina G.O. , Zaikovsky V.I. , Prosvirin I.P. , Khudorozhkov A.K. , Bukhtiyarov V.I.
Particle Size Effect on CH4 Oxidation Over Noble Metals: Comparison of Pt and Pd Catalysts
Topics in Catalysis. 2013. V.56. N1-8. P.306-310. DOI: 10.1007/s11244-013-9971-y WOS Scopus РИНЦ CAPlusCA OpenAlex

Опубликована online:	26 февр. 2013 г.
Опубликована в печати:	1 мая 2013 г.

Web of science:	WOS:000318213800054
Scopus:	2-s2.0-84877982174
РИНЦ:	20429561
Chemical Abstracts:	2013:305335
Chemical Abstracts (print):	158:543018
OpenAlex:	W2036620060

БД	Цитирований
Web of science	86
Scopus	89
РИНЦ	86
OpenAlex	90