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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
15/12/2023 |
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Data da última atualização: |
15/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
STAMATELOS, I.; SILVA, G. T. S. T. da; RIBEIRO, C.; SHVIRO, M. |
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Afiliação: |
CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
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Título: |
Exploring Heterostructures of D‑Block Metal Oxides Coupled to ZnO for the Electrochemical Reduction of CO2. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
ACS Applied Energy Materials, v. 6, 2023. |
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Páginas: |
11510 - 11520 |
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DOI: |
https://doi.org/10.1021/acsaem.3c01791 |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT: Feasible electrochemical CO2 reduction (ECR) requires accessible and efficient catalyst materials. Herein, we prepared ZnO-based catalysts decorated with various d-block metal oxides (Fe, Co, Ni, Cu). The ECR performance of the heterostructured catalyst materials was evaluated by using a flow-cell configuration. Our findings indicate that ZnO is an active catalyst substrate with tunable selectivity and stability, which depend on the formed heterostructures’ properties. We assessed and quantified the effect of the different d-block metals on the ECR activity of the composite catalyst. The CuZnO catalyst exhibited a stability of 30 h and a selectivity of 77% for CO at a current density of 100 mA cm−2 . This work aimed to provide a fundamental understanding of composite heterostructured materials’ properties and electrochemical behavior. We demonstrated that heterostructure engineering is a promising and cost-effective strategy for developing ECR catalysts with enhanced stability. |
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Palavras-Chave: |
CO2-to-CO; D-block metal oxides; Electrochemical CO2 reduction; FLow-cell; Zn-based heterostructures. |
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Categoria do assunto: |
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Marc: |
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024 7 $ahttps://doi.org/10.1021/acsaem.3c01791$2DOI
100 1 $aSTAMATELOS, I.
245 $aExploring Heterostructures of D‑Block Metal Oxides Coupled to ZnO for the Electrochemical Reduction of CO2.$h[electronic resource]
260 $c2023
300 $a11510 - 11520
520 $aABSTRACT: Feasible electrochemical CO2 reduction (ECR) requires accessible and efficient catalyst materials. Herein, we prepared ZnO-based catalysts decorated with various d-block metal oxides (Fe, Co, Ni, Cu). The ECR performance of the heterostructured catalyst materials was evaluated by using a flow-cell configuration. Our findings indicate that ZnO is an active catalyst substrate with tunable selectivity and stability, which depend on the formed heterostructures’ properties. We assessed and quantified the effect of the different d-block metals on the ECR activity of the composite catalyst. The CuZnO catalyst exhibited a stability of 30 h and a selectivity of 77% for CO at a current density of 100 mA cm−2 . This work aimed to provide a fundamental understanding of composite heterostructured materials’ properties and electrochemical behavior. We demonstrated that heterostructure engineering is a promising and cost-effective strategy for developing ECR catalysts with enhanced stability.
653 $aCO2-to-CO
653 $aD-block metal oxides
653 $aElectrochemical CO2 reduction
653 $aFLow-cell
653 $aZn-based heterostructures
700 1 $aSILVA, G. T. S. T. da
700 1 $aRIBEIRO, C.
700 1 $aSHVIRO, M.
773 $tACS Applied Energy Materials$gv. 6, 2023.
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
