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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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Shahid, Sammia
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Carbon dots and nitrogen-doped carbon dots-metal oxide nanocomposites
- 2023Synthesis of Mn-Doped ZnO Nanoparticles and Their Application in the Transesterification of Castor Oil
- 2023A highly explicit electrochemical biosensor for catechol detection in real samples based on copper-polypyrrolecitations
- 2022Green synthesis of a MnO-GO-Ag nanocomposite using leaf extract of Fagonia arabica and its antioxidant and anti-inflammatory performancecitations
- 2022Biogenic plant mediated synthesis of monometallic zinc and bimetallic Copper/Zinc nanoparticles and their dye adsorption and antioxidant studiescitations
- 2022Controlled growth of nanocomposite thin layer based on Zn-Doped MgO nanoparticles through Sol-Gel technique for biosensor applicationscitations
- 2021Synthesis of novel ternary hybrid g-C3N4@Ag-ZnO nanocomposite with Z-scheme enhanced solar light-driven methylene blue degradation and antibacterial activitiescitations
- 2021Fabricated novel g-C3N4/Mn doped ZnO nanocomposite as highly active photocatalyst for the disinfection of pathogens and degradation of the organic pollutants from wastewater under sunlight radiationscitations
- 2021Designing of highly active g-C3N4/Ni-ZnO photocatalyst nanocomposite for the disinfection and degradation of the organic dye under sunlight radiationscitations
- 2021Designing of highly active g-C3N4/Sn doped ZnO heterostructure as a photocatalyst for the disinfection and degradation of the organic pollutants under visible light irradiationcitations
- 2020Green Synthesis of MnO Nanoparticles using Abutilon indicum Leaf Extract for Biological, Photocatalytic, and Adsorption Activitiescitations
- 2020Enhanced photocatalytic activity by the fabricated TiO2/Graphene oxide nanocomposites against ciprofloxacin and methylene blue dye
- 2020Highly efficient g-C3N4/Cr-ZnO nanocomposites with superior photocatalytic and antibacterial activitycitations
- 2019Synthesis of TiO2/Graphene oxide nanocomposites for their enhanced photocatalytic activity against methylene blue dye and ciprofloxacincitations
Places of action
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article
Carbon dots and nitrogen-doped carbon dots-metal oxide nanocomposites
Abstract
<p>Carbon dots-Manganese oxide (CDs-MnO<sub>2</sub>) and Nitrogen-doped carbon dots-MnO<sub>2</sub> (NCDs-MnO<sub>2</sub>) nanocomposites were constructed by a green ultrasonic approach using Jasminum sambac leaves extract as a carbon source and reducing agent. The constructed nanocomposites were characterized by UV–visible spectrophotometry, FTIR, XRD, EDX, and SEM. CDs-MnO<sub>2</sub> nanocomposites gave a UV–visible absorbance peak at λ<sub>max</sub> 223 nm and NCDs-MnO<sub>2</sub> nanocomposite showed a peak at λ<sub>max</sub> 225 nm. FTIR examination revealed that the produced nanocomposites included a variety of functional groups. The size of the nanocomposite was calculated from XRD data i.e. 22.04 nm for CDs-MnO<sub>2</sub> while NCDs-MnO<sub>2</sub> had an amorphous nature. EDX analysis showed that both nanocomposites have C, O, and Mn while only one nanocomposite has N. SEM investigation revealed that nanocomposites are agglomerated. The spectrophotometric method was used for the sensitive and selective perceiving of Cr(VI) ions using prepared nanocomposites. Different factors were studied to find an optimum environment for sensing Cr (VI) ions i.e. concentration of ions, reaction time, pH, temperature, and effect of interfering species. The calculated limit of detection was 16 μM for CDs-MnO<sub>2</sub> and 69 μM for NCDs-MnO<sub>2</sub>. The results showed that both nanocomposites are good sensors of Cr (VI) ions but NCDs-MnO<sub>2</sub> nanocomposites require less harsh conditions for sensing which can be due to the existence of different functional groups and size of the nanocomposite. Real sample analysis was also done by spike recovery method and calculated recovery percentages were found to be 100.01–100.2% for CDs-MnO<sub>2</sub> and 99.9–100.01% for NCDs-MnO<sub>2</sub>.</p>