Controllable synthesis of nanostructured flower-like cadmium sulfides for photocatalytic degradation of methyl orange under different light sources

Hojjati-Najafabadi, Akbar; Farahbakhsh, Elahe; Gholamalian, Golnaz; Feng, Peizhong; Davar, Fatemeh; Aminabhavi, Tejraj M.; Vasseghian, Yasser; Kamyab, Hesam; Rahimi, Hamed

doi:10.1016/j.jwpe.2024.105002

Cited by 15 publications

(1 citation statement)

References 79 publications

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“…The FTIR spectra of the activated organic municipal waste were recorded at room temperature using a Nicolet 6700 FT-IR spectrometer with the KBr pellet technique [33].…”

Section: Characterization Of Materialsmentioning

confidence: 99%

Characterization of Bioadsorbents from Organic Municipal Waste

Sołtysik,

Majchrzak-Kucęba,

Wawrzyńczak

2024

Materials

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This article describes the production of bioadsorbents coming from seven different kinds of organic waste, produced in huge quantities in households, in a two-stage process. In order to determine the influence of the process parameters of carbonization (I stage) and activation with potassium hydroxide solution (II stage), the following analysis of the physicochemical properties of each sample at each stage processing was performed: base elemental composition, structure properties, surface morphology, thermal stability, crystallinity, and transmittance spectra characteristic bands. There was a lack of research on samples after each stage of waste processing in the literature. Addressing this allowed us to evaluate the transformative potential of each kind of organic waste included in the research and select the best waste for the production of bioadsorbents commonly used in environmental protection. Moreover, the results were compared with the ones in the literature. The utilization of particular kinds of organic waste seems to be especially important taking into account the strategy of waste management and sustainable development.

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“…The FTIR spectra of the activated organic municipal waste were recorded at room temperature using a Nicolet 6700 FT-IR spectrometer with the KBr pellet technique [33].…”

Section: Characterization Of Materialsmentioning

confidence: 99%

Characterization of Bioadsorbents from Organic Municipal Waste

Sołtysik,

Majchrzak-Kucęba,

Wawrzyńczak

2024

Materials

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Cobalt‐Doped ZnO Nanocomposits for Efficient Dye Degradation: Charge Transfer

Abebe,

Kefale,

Amenu

et al. 2024

ChemistryOpen

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Doping enhances the optical properties of high‐band gap zinc oxide nanoparticles (ZnO NPs), essential for their photocatalytic activity. We used the combustion approach to synthesize cobalt‐doped ZnO heterostructure (CDZO). By creating a mid‐edge level, it was possible to tune the indirect band gap of the ZnO NPs from 3.1 eV to 1.8 eV. The red shift and reduction in the intensity of the photoluminescence (PL) spectra resulted from hindrances in electron‐hole recombination and sp‐d exchange interactions. These improved optical properties expanded the absorption of solar light and enhanced charge transfer. The field emission scanning electron microscopy (FESEM) image and elemental mapping analysis confirmed the CDZO′s porous nature and the dopant‘s uniform distribution. The porosity, nanoscale size (25–55 nm), and crystallinity of the CDZO were further verified by high‐resolution transmission electron microscopy (HRTEM) and selected area electron image analysis. The photocatalytic activity of the CDZO exhibited much greater efficiency (k=0.131 min−1) than that of ZnO NPs (k=0.017 min−1). Therefore, doped heterostructures show great promise for industrial‐scale environmental remediation applications.

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Chemical dealloying derived nanoporous FeCoNiCuTi high-entropy bifunctional electrocatalysts for highly efficient overall water splitting under alkaline conditions

He,

Qin,

et al. 2024

Chemical Engineering Journal

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Controllable synthesis of nanostructured flower-like cadmium sulfides for photocatalytic degradation of methyl orange under different light sources

Cited by 15 publications

References 79 publications

Characterization of Bioadsorbents from Organic Municipal Waste

Characterization of Bioadsorbents from Organic Municipal Waste

Cobalt‐Doped ZnO Nanocomposits for Efficient Dye Degradation: Charge Transfer

Chemical dealloying derived nanoporous FeCoNiCuTi high-entropy bifunctional electrocatalysts for highly efficient overall water splitting under alkaline conditions

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