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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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Karthikeyan, Vaithinathan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 20242D MXene Interface Engineered Bismuth Telluride Thermoelectric Module with Improved Efficiency for Waste Heat Recoverycitations
- 2023Facile composite engineering to boost thermoelectric power conversion in ZnSb devicecitations
- 2023Facile composite engineering to boost thermoelectric power conversion in ZnSb devicecitations
- 20233D Architectural MXene‐based Composite Films for Stealth Terahertz Electromagnetic Interference Shielding Performancecitations
- 2023Dispersion of InSb Nanoinclusions in Cu<sub>3</sub>SbS<sub>4</sub> for Improved Stability and Thermoelectric Efficiencycitations
- 2023Dispersion of InSb nanoinclusions in Cu3SbS4 for improved stability and thermoelectric efficiencycitations
- 20233D architectural MXene composite films for stealth terahertz shielding performancecitations
- 2022Hierarchically Interlaced 2D Copper Iodide/MXene Composite for High Thermoelectric Performancecitations
- 2022Hierarchically interlaced 2D copper iodide/MXene composite for high thermoelectric performancecitations
- 2022Insights into the classification of nanoinclusions of composites for thermoelectric applicationscitations
- 2022Amorphous carbon nano-inclusions for strategical enhancement of thermoelectric performance in Earth-abundant Cu3SbS4citations
- 2022Probing the Effect of MWCNT Nanoinclusions on the Thermoelectric Performance of Cu3SbS4 Compositescitations
- 2022Thermoelectric properties of sulfide and selenide-based materialscitations
- 2022Insights into the Classification of Nanoinclusions of Composites for Thermoelectric Applicationscitations
- 2022Probing the effect of MWCNT nanoinclusions on the thermoelectric performance of Cu3SbS4 compositescitations
- 2020A comparative evaluation of physicochemical properties and photocatalytic efficiencies of cerium oxide and copper oxide nanofluidscitations
- 2019Influence of nitrogen dopant source on the structural, photoluminescence and electrical properties of ZnO thin films deposited by pulsed spray pyrolysiscitations
Places of action
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article
A comparative evaluation of physicochemical properties and photocatalytic efficiencies of cerium oxide and copper oxide nanofluids
Abstract
Copper oxide (CuO) and cerium oxide (CeO<sub>2</sub>) of various concentrations have been prepared through an ultrasonically assisted dispersion of CuO and CeO<sub>2</sub> nanoparticles (NPs) in which water and nanofluids (NFs) were formulated. The morphological properties of the CuO and CeO<sub>2</sub> NPs are reported. Few of the physicochemical properties that can influence the photocatalytic activities of the NFs are evaluated, such as viscosity, activation energy, density, thermal conductivity, electrical conductivity, alternating current (AC) conductivity, pH, stability, refractive index and optical band gap of the CuO and CeO<sub>2</sub> NFs. Viscosity studies have been made at four different temperatures (303 K, 308 K, 313 K and 318 K) and the activation energy is calculated and compared between the CuO and CeO<sub>2</sub> NFs. The thermal conductivity of the two NFs is calculated and compared. Electrical conductivity is measured for CuO and CeO<sub>2</sub> NFs using an impedance analyzer at different frequencies at 303 K. The dielectric constant and AC conductivity were studied. The electrical conductivity and pH of the prepared NFs are measured and the results are compared. The stability of the NFs is determined from Zeta potential values obtained from dynamic light scattering measurements. UV-Visible diffuse reflectance measurements were used to deduce the optical bandgap of the respective metal oxide NPs in the NFs. The photocatalytic efficiencies of the CuO NFs and CeO<sub>2</sub> NFs were evaluated using methylene blue (MB) as the model dye. The rate constant for the photodegradation of MB was higher for CuO NF as compared CeO<sub>2</sub> NF and also higher than simple NPs-based photocatalysts. A plausible explanation for the role of NFs over the simple NPs-based photocatalytic solution is presented.