CO2 hydrogenation over bimetallic FePt nanoparticles supported by defective h-BN

CO2 hydrogenation over bimetallic FePt nanoparticles supported by defective h-BN Научная публикация

Журнал

Materials Chemistry and Physics
ISSN: 0254-0584

Вых. Данные

Год: 2026, Том: 352, Номер статьи : 132058, Страниц : DOI: 10.1016/j.matchemphys.2026.132058

Авторы

Konopatsky Anton ^1,2 , Leybo Denis ^2,3 , Ryzhova Anastasia ² , Teplyakova Tatyana ² , Baryliuk Danil ² , Chikanova Ekaterina ² , Sukhanova Ekaterina ⁴ , Baidyshev Viktor ⁵ , Popov Zakhar ^4,6 , Shtansky Dmitry ²

Организации

1	CRISMAT, CNRS, Normandie Univ., ENSICAEN, UNICAEN, Caen 14000, France
2	National University of Science and Technology “MISIS”, Moscow 119049, Russia
3	Schulich Faculty of Chemistry, Technion − Israel Institute of Technology, Haifa 32000, Israel
4	Emanuel Institute of Biochemical Physics RAS, 119334, 4 Kosigin st., Moscow, Russian Federation
5	Skolkovo Institute of Science and Technology, 121205, Bolshoi Blv. 30, Building 1, Moscow, Russian Federation
6	Plekhanov Russian University of Economics, Stremyanny per. 36, 117997 Moscow, Russian Federation

In this work, BN microparticles (BNMPs) were subjected to high-energy ball milling to obtain defective BN nanoparticles (BNNPs) as carriers of catalytically active bimetallic FePt nanoparticles (FePtNPs). The catalytic properties were studied in CO2 hydrogenation reaction. The CO2 conversion is 33 % (FePt/BNNPs) and 27 % (FePt/BNMPs). Furthermore, the FePt/BNNPs sample exhibits high catalytic stability and high CO selectivity over 50 h of testing, with a conversion of over 21 %. The conversion of the FePt/BNMPs material increases from 13.5 % to 18 %, and the selectivity shifts toward more valuable hydrocarbons during the 50 h stability testing. During the catalytic process, FePtNPs undergo chemical ordering. This process is facilitated by activated hydrogen diffusing through FePtNPs to the h-BN substrate, where it is easily adsorbed. The large contact area between FePtNPs and BNNPs intensifies this process. Using DFT studies, it was shown that the termination of the chemically ordered as well as disordered FePt slab by Fe atoms leads to an increase in the adsorption energy of atomic hydrogen and stronger binding to the CO molecule, which explains the higher yield of hydrocarbon products with increasing contact time of the CO molecule with the catalyst surface.

Konopatsky A. , Leybo D. , Ryzhova A. , Teplyakova T. , Baryliuk D. , Chikanova E. , Sukhanova E. , Baidyshev V. , Popov Z. , Shtansky D.
CO2 hydrogenation over bimetallic FePt nanoparticles supported by defective h-BN
Materials Chemistry and Physics. 2026. V.352. 132058 . DOI: 10.1016/j.matchemphys.2026.132058 OpenAlex

OpenAlex:

W7123336996