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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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Singh, Mandeep
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Topics
Publications (6/6 displayed)
- 2023Chemically Oxidized Carbon Paper as a Free‐Standing Electrode for Supercapacitor: An Insight into Surface and Diffusion Contributioncitations
- 2023Waste Coir Nanofiller Fused Gallus-Gallus Fibres Reinforced PMCcitations
- 2022Artificial Intelligence Optimization of Turning Parameters of Nanoparticle-Reinforced P/M Alloy Toolcitations
- 2020Laboratory study on subgrade fluidization under undrained cyclic triaxial loadingcitations
- 2020The modified magnetodielectric response in KNN-CZFMO based particulate multiferroic composite systemcitations
- 2018Oxygen-deficient photostable Cu2O for enhanced visible light photocatalytic activitycitations
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article
Oxygen-deficient photostable Cu2O for enhanced visible light photocatalytic activity
Abstract
<p>Oxygen vacancies in inorganic semiconductors play an important role in reducing electron-hole recombination, which may have important implications in photocatalysis. Cuprous oxide (Cu<sub>2</sub>O), a visible light active p-type semiconductor, is a promising photocatalyst. However, the synthesis of photostable Cu<sub>2</sub>O enriched with oxygen defects remains a challenge. We report a simple method for the gram-scale synthesis of highly photostable Cu<sub>2</sub>O nanoparticles by the hydrolysis of a Cu(i)-triethylamine [Cu(i)-TEA] complex at low temperature. The oxygen vacancies in these Cu<sub>2</sub>O nanoparticles led to a significant increase in the lifetimes of photogenerated charge carriers upon excitation with visible light. This, in combination with a suitable energy band structure, allowed Cu<sub>2</sub>O nanoparticles to exhibit outstanding photoactivity in visible light through the generation of electron-mediated hydroxyl (OH) radicals. This study highlights the significance of oxygen defects in enhancing the photocatalytic performance of promising semiconductor photocatalysts.</p>