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Naslov:Synthesis of a Cu/ZnO Nanocomposite by Electroless Plating for the Catalytic Conversion of CO2 to Methanol
Avtorji:ID Pori, Maja, Kemijski inštitut Ljubljana (Avtor)
ID Arčon, Iztok, UNG (Avtor)
ID Lašič Jurković, Damjan (Avtor)
ID Marinšek, Marjan, Univerza v Ljubljani (Avtor)
ID Dražić, Goran, Kemijski inštitut Ljubljana (Avtor)
ID Likozar, Blaž, Kemijski inštitut Ljubljana (Avtor)
ID Crnjak Orel, Zorica, Kemijski inštitut Ljubljana (Avtor)
Datoteke: Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:The process of methanol synthesis based on the hydrogenation of CO2 was investigated over binary Cu/ZnO catalyst materials, prepared by applying a novel electroless plating fabrication method. The activity of the produced catalytic samples was determined at temperature range between 200 and 300 °C and the feedstock conversion data were supplemented with a detailed microstructure analysis using high-resolution transmission electron microscopy (HRTEM), X-ray powder diffraction (XRD) and Cu and Zn K-edge, X-ray absorption near-edge structure (XANES) measurements and extended X-ray absorption fine-structure (EXAFS) measurements. It was confirmed that the disorder in the Cu crystallites created unique geometrical situations, which acted as the additional reactive centres for the adsorption of the reactant molecule species. Copper and zinc structural synergy (spill-over) was also demonstrated as being crucial for the carbon dioxide’s activation. EXAFS and XANES results provide strong evidence for surface alloying between copper and zinc and thus the present results demonstrate new approach applicable for explaining metal–support interactions.
Ključne besede:EXAFS, CuZn alloy, Spillover mechanism, CO2 valorization, Electroless deposition method, Heterogeneous catalysis
Verzija publikacije:Objavljena publikacija
Leto izida:2019
Št. strani:1427-1439
Številčenje:149, 5
PID:20.500.12556/RUNG-4469-4004e361-3785-29fd-11be-1d7e64310300 Novo okno
COBISS.SI-ID:5371899 Novo okno
DOI:10.1007/s10562-019-02717-7 Novo okno
NUK URN:URN:SI:UNG:REP:EH9WGCYR
Datum objave v RUNG:12.04.2019
Število ogledov:3519
Število prenosov:0
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:Catalysis Letters
Leto izida:2019

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