The influence of the synthesis route and microwave activation on the CuFe2O4 spinel mixed oxide catalysts activity in N2O decomposition

The influence of the synthesis route and microwave activation on the CuFe2O4 spinel mixed oxide catalysts activity in N2O decomposition Научная публикация

Журнал

Ceramics International
ISSN: 0272-8842 , E-ISSN: 1873-3956

Вых. Данные

Год: 2024, Том: 50, Номер: 18, Страницы: 34081-34090 Страниц : 10 DOI: 10.1016/j.ceramint.2024.06.227

Авторы

Zemlianskii Petr ¹ , Morozov Daniil ² , Kapustin Gennady ¹ , Davshan Nikolai ¹ , Kalmykov Konstantin ³ , Chernyshev Vladimir ³ , Kustov Alexander ^3,2,1 , Kustov Leonid ^3,2,1

Организации

1	Zelinsky Institute of Organic Chemistry RAS, Pr. Leninsky, 47, 11991, Moscow, Russia
2	National University of Science and Technology MISIS, Pr. Leninsky, 4, 119049, Moscow, Russia
3	Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1/3, 119234, Moscow, Russia

In this study a comprehensive analysis of the influence of synthesis route of CuFe2O4 spinel mixed oxides on their catalytic performance in the N2O decomposition was carried out. A co-precipitation technique allowed one to obtain the CuFe2O4 spinel with a higher specific surface area and pore volume compared to the synthesis with the application of organic additives. This resulted in better catalytic performance of the CuFe2O4 samples prepared by co-precipitation. The microwave activation step with the duration of 1 min during the co-precipitation synthesis led to the formation of the CuFe2O4 spinel with a higher content of oxygen vacancies per 1 m2 in comparison with the sample obtained without the microwave activation. This fact caused a significantly higher specific activity of the CuFe2O4 spinel synthesized with the application of 1 min microwave activation. The increase of the microwave treatment time led to the fast growth of the contents of the CuO and α-Fe2O3 phases, which are less active in the N2O decomposition, resulting in the activity drop.

Zemlianskii P. , Morozov D. , Kapustin G. , Davshan N. , Kalmykov K. , Chernyshev V. , Kustov A. , Kustov L.
The influence of the synthesis route and microwave activation on the CuFe2O4 spinel mixed oxide catalysts activity in N2O decomposition
Ceramics International. 2024. V.50. N18. P.34081-34090. DOI: 10.1016/j.ceramint.2024.06.227 WOS Scopus OpenAlex

Web of science:	WOS:001280791400001
Scopus:	2-s2.0-85196557863
OpenAlex:	W4399786880

БД	Цитирований
OpenAlex	6
Scopus	5
Web of science	6