Charge transport and heavy metal removal efficacy of graphitic carbon nitride doped with CeO<sub>2</sub>

Badawy, Abdelrahman A.; Rehim, Mona H. Abdel; Turky, Gamal

doi:10.1039/d3ra00844d

RSC Adv.

2023

DOI: 10.1039/d3ra00844d

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Charge transport and heavy metal removal efficacy of graphitic carbon nitride doped with CeO₂

Abdelrahman A. Badawy

Mona H. Abdel Rehim

Gamal Turky

Abstract: Crystal lattice of CeO2 in the presence of one oxygen vacancy accompanied with two generated Ce3+ species.

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2024

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Cited by 3 publications

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Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Hashem,

Abd El-Wahab,

Selim

et al. 2024

Int. J. Environ. Sci. Technol.

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The precipitation process was successfully employed to prepare ZnFe2O4 and ZnFe2O4@SiO2 nanoparticles. The synthesized nanoadsorbents were characterized employing transmission electron microscopy (TEM), X-ray diffraction (XRD), and Brauner-Emmett and Teller (BET) methods. The potential adsorption capacities of the generated nanoparticles were assessed under various conditions, including pH, starting dye concentration, contact time, and temperature. The adsorption efficiency of ZnFe2O4@SiO2 nanoparticles (95%) was higher than ZnFe2O4 (93%). The adsorption data were described using Langmuir, Freundlich, Temkin, and Dubinin-Kaganer-Radushkevich (DKR) isotherm models. The methylene blue (MB) removal kinetics by ZnFe2O4 and ZnFe2O4@Silica nanoparticles were evaluated using linear pseudo-first-order (PFO) and pseudo-second-order (PSO) models. The removal fitted to pseudo-second-order (PSO) models as the correlation coefficient (R2) value was (0.9994). The Boyd model may be used to validate the kinetics data, and it can be deduced that the rate-determining phase was not intra-particle diffusion, but rather the hypothesized adsorption process was endothermic and spontaneous in nature. Based on the findings, ZnFe2O4@silica is an adsorbent material that may be useful in removing methylene blue from aqueous solutions.

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Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Hashem,

Abd El-Wahab,

Selim

et al. 2024

Int. J. Environ. Sci. Technol.

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show abstract

Advances in cerium dioxide nanomaterials: Synthesis strategies, property modulation, and multifunctional applications

Xu,

Zhou,

et al. 2024

Journal of Environmental Chemical Engineering

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Element engineering in graphitic carbon nitride photocatalysts

Guo,

Gao,

Huang

et al. 2024

Renewable and Sustainable Energy Reviews

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Charge transport and heavy metal removal efficacy of graphitic carbon nitride doped with CeO₂

Abstract: Crystal lattice of CeO2 in the presence of one oxygen vacancy accompanied with two generated Ce3+ species.

Cited by 3 publications

References 71 publications

Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Advances in cerium dioxide nanomaterials: Synthesis strategies, property modulation, and multifunctional applications

Element engineering in graphitic carbon nitride photocatalysts

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Charge transport and heavy metal removal efficacy of graphitic carbon nitride doped with CeO2

Abstract: Crystal lattice of CeO2 in the presence of one oxygen vacancy accompanied with two generated Ce3+ species.

Cited by 3 publications

References 71 publications

Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Nanozinc ferrites @ silica as efficient adsorbent for dye removal from wastewater: synthesis and adsorption studies

Advances in cerium dioxide nanomaterials: Synthesis strategies, property modulation, and multifunctional applications

Element engineering in graphitic carbon nitride photocatalysts

Contact Info

Product

Resources

About

Charge transport and heavy metal removal efficacy of graphitic carbon nitride doped with CeO₂