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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Tan, Jeannie Z. Y.
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Publications (5/5 displayed)
- 2024From brew to clean fuelcitations
- 2022Production of CH4 and CO on CuxO and NixOy coatings through CO2 photoreductioncitations
- 2022Core-shell TiO2-x-CuyO microspheres for photogeneration of cyclic carbonates under simulated sunlightcitations
- 2021Comparative study of CO2 photoreduction using different conformations of CuO photocatalystcitations
- 2019Photo-generation of cyclic carbonates using hyper-branched Ru-TiO2citations
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article
Comparative study of CO2 photoreduction using different conformations of CuO photocatalyst
Abstract
The use of CuO-based photocatalysts for CO<sub>2</sub> photoreduction has been extensively reported in the literature. However, the comparison of the photocatalytic activity and selectivity from the published results becomes difficult due to different experimental conditions (i.e., synthesis method, configuration of photocatalyst, flow rate of gas, water content, light intensity) and reactor geometry employed. Hence, in this work different conformations of CuO-based photocatalyst, namely powder (i.e., synthesized using precipitation, sonochemical and hydrothermal-microwave treatment), coating on glass fiber mesh, and thin film, were tested using the same photoreactor and experimental conditions. All CuO photocatalysts exhibited 100 % product selectivity towards CH<sub>4</sub> over CO and the CuO coating on the glass fiber mesh exhibited the highest production of CH<sub>4</sub> (56.3 μmol gcat<sup>−1</sup> h<sup>−1</sup>). The morphology, particle size, particle dispersity, and presence of impurities/defects within the CuO photocatalysts had a significant effect on photocatalytic activity. A numerical model, which was built using COMSOL, revealed that the experimental data obtained in this simulated photocatalytic activity study fitted well, however, further optimization was needed.