Ball-Milled Processed, Selective Fe/h-BN Nanocatalysts for CO2 Hydrogenation
Source abstract
Abstract
Fe/h-BN nanocatalysts were obtained by a combination of precipitation and high-energy ball-milling (HEBM) techniques. Mechanical treatment at a rate of 300 and 500 rpm induced defects in the h-BN lattice and led to the formation of iron nitride nanoparticles when processing at a higher ball-milling mode. Lewis base centers formed as a result of the interaction of h-BN surface defects with water vapor from ambient air led to an increase in the activity of the Fe/h-BN catalyst in the CO2 hydrogenation. Iron carbides, 2–4 nm in size, formed during the activation stage in the Fe/h-BN nanocomposites after HEBM increased the selectivity toward hydrocarbon formation. Calculations based on the density functional theory showed a significant weakening of the CO bond on the surface of iron carbide and suggested the iron nitride → iron carbide transformation as the most energetically favorable route.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Catalysts for Methane Reforming · Catalysis and Hydrodesulfurization Studies · Carbon dioxide utilization in catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National University of Science and Technology “MISiS”, Leninsky Prospekt 4, Moscow119049, Russia
Centre for Materials Science and School of Chemistry and Physics, Faculty of Science, Queensland University of Technology, 2 George St., Brisbane, QLD4000, Australia
N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky Prospekt 47, Moscow119991, Russia
Katanov Khakas State University, Lenin Pr. 90, 655017Abakan, Russia
Skolkovo Institute of Science and Technology, Bld. 1 Bolshoy Boulevard 30, Moscow121205, Russia
Emanuel Institute of Biochemical Physics RAS, Kosygina 4, Moscow119334, Russia
Plekhanov Russian University of Economics, Stremyanny per. 36, Moscow117997, Russia
Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow119991, Russia
Funding
Russian Science Foundation · Australian Research Council
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