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Rodríguez-Jara, E.; Cavallo, M.; Nakazato, R.; Quintelier, M.; Matsumoto, K.; Hadermann, J.; Mosa, J.; Bonino, F.; Tadanaga, K.; Aparicio, M.; Rosero-Navarro, N.C. |
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Title |
Zinc oxides by thermal decomposition synthesis and parameters affecting electrocatalyst activity for CO2 reduction reaction |
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A1 Journal Article |
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Year  |
2025 |
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Open Ceramics |
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Open Ceramics |
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21 |
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100733 |
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Keywords |
A1 Journal Article; ZnO; Electrocatalyst; CO2; CO production; Thermal decomposition; Faradaic efficiency; Morphology; Electron Microscopy for Materials Science (EMAT) ; |
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Abstract |
Electroreduction of CO2 to obtain fossil fuel-free energy products is a promising avenue reducing anthropogenic greenhouse gas emissions. Catalysts based on Au, Ag and Cu are frequently used. Others based on abundant and low-cost elements such as Zn also report catalytic activity. This work presents a scalable and simple synthesis method of catalysts based on ZnO structures by a controlled thermal decomposition process of Zinc acetate dehydrate. An in-depth study of how modifications of synthesis parameters may affect the final performance of the material as electrocatalyst in CO2RR is studied. It has been found that higher values of faradaic efficiency to CO evolution were found for samples synthesised at higher temperatures and higher heating ramp, reaching 69 % at -0.8 V vs RHE. It is of great importance to control over the parameters of the thermal decomposition process as they can greatly affect the final catalytic behaviour of the sample. |
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Publication Date |
2024-12-28 |
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2666-5395 |
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Open Access |
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Notes |
The authors are grateful to JECS Trust for funding the visit of Elías Rodríguez Jara to University of Turin (Contract No. 2022325) and the visit of Margherita Cavallo to Institute of Ceramic and Glass (Contract No.2022339). This research was supported through 4AirCRAFT project under the strategic international cooperation between Europe (Horizon2020, No.101022633) and Japan Science and Technology Agency (JST) with reference number JPMJSC2102. MC and FB acknowledge support from the Project CH4.0 under the MUR program "Dipartimenti di Eccellenza 2023–2027 ″ (CUP: D13C22003520001). N.C. R-N. acknowledge the financial support through the Ram´ on y Cajal grant No. RYC2020–029909-I of the Spanish State Research Agency and the IDEAL-Li Project (Ref. PIE – 2022AT009, Talent Attraction) of The Spanish National Research Council (CSIC). |
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Most recent IF: NA |
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Call Number |
EMAT @ emat @ |
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9348 |
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