Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/jspui/handle/123456789/16576
Title: Experimental evaluation of the activity and selectivity of pure MnWO4 and doped with rare earth ions in the CO2 photoreduction process.
Authors: Peixoto, Julia Caroline
Nogueira, André Esteves
Dias, Anderson
Torres, Juliana Arriel
Cruz, Jean Castro da
Oliveira, Cauê Ribeiro de
Siqueira, Kisla Prislen Félix
Keywords: Manganese tungstate
Doping
Rare earth
CO2 photoreduction
Selectivity
Issue Date: 2022
Citation: PEIXOTO, J. C. et al. Experimental evaluation of the activity and selectivity of pure MnWO4 and doped with rare earth ions in the CO2 photoreduction process. Materials Research Bulletin, v. 153, artigo 111912, 2022. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0025540822001842>. Acesso em: 11 out. 2022.
Abstract: The reduction of CO2 to produce useful carbon compounds offers a way to manage the emissions from various industrial sectors. However, selecting efficient systems remain a crucial issue, especially considering the low selectivity of the photocatalysts traditionally used in CO2 photoreduction processes. Here we demonstrate that the modification of MnWO4 with rare earth ions (Europium and Terbium) synthesized by the coprecipitation method can tune the activity and selectivity of the products formed in the process of CO2 photoreduction under UV irradiation. The CO2 photoreduction assays indicated that the photocatalysts presented good activity, resulting in acetate, acetone, acetic acid, ethanol, methane, and methanol products. Doping provided selectivity near 100% for CO2 conversion to methanol and increased the capacity of C2 (e.g., ethanol) production, opening the way for a better understanding of the activity and selectivity of tungstates in the CO2 photoreduction process.
URI: http://www.repositorio.ufop.br/jspui/handle/123456789/16576
metadata.dc.identifier.uri2: https://www.sciencedirect.com/science/article/pii/S0025540822001842
metadata.dc.identifier.doi: https://doi.org/10.1016/j.materresbull.2022.111912
ISSN: 0025-5408
Appears in Collections:DEQUI - Artigos publicados em periódicos

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