Zn0.94Mn0.06O for adsorption and photo-degradation of methyl orange dye under visible irradiation: Kinetics and isotherms study

Shahbazkhany, Saeedeh; Salehi, Mehdi; Mousavi‐Kamazani, Mehdi; Salarvand, Zohreh

doi:10.1016/j.envres.2021.111833

Cited by 12 publications

(8 citation statements)

References 45 publications

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“…So, these results show that the rGO(15) nanocomposite is not only an excellent photocatalyst but can also be introduced as a strong adsorbent. [56][57][58] For a better comparison of the photocatalytic activity of nanostructures, the photocatalytic degradation rate constant (k) of MB dye has been calculated using the first-order kinetics (eqn (5)) and is shown in Fig. 12a.…”

Section: Discussion and Resultsmentioning

confidence: 99%

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GO nanosheets decorated with SnS nanoparticles: excellent photocatalytic performance under visible-light irradiation

Kharatzadeh

Khademalrasool

2023

Phys. Chem. Chem. Phys.

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Section: Discussion and Resultsmentioning

confidence: 99%

“…So, these results show that the rGO(15) nanocomposite is not only an excellent photocatalyst but can also be introduced as a strong adsorbent. 56–58…”

Section: Discussion and Resultsmentioning

confidence: 99%

GO nanosheets decorated with SnS nanoparticles: excellent photocatalytic performance under visible-light irradiation

Kharatzadeh

Khademalrasool

2023

Phys. Chem. Chem. Phys.

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“…To study the adsorption isotherms of RR43 of photocatalysts of PZ, Sm‐La CDZ NPs, La‐Sr CDZ NPs, and Sm‐Sr CDZ NPs, Langmuir, Freundlich, and Temkin isotherms were used 75 as illustrated in Figures S6, S7, and S8 and Table 3. This investigation used 0.05 g/50 mL of photocatalysts to absorb RR43 molecules at 20 ppm and pH = 8.…”

Section: Resultsmentioning

confidence: 99%

Photocatalytic activity of co‐doped NPs based on ZnO as a new class of anti‐microbial agents: Synthesis, characterization, kinetics, isotherm, and in silico molecular docking simulation

Basseem,

Emam,

Kamal

et al. 2023

Applied Organom Chemis

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This work effectively synthesized pure ZnO (PZ) and the co‐doped ZnO as Sm‐La CDZ NPs, La‐Sr CDZ NPs, and Sm‐Sr CDZ NPs using a hydrothermal technique. To characterize synthetic nanomaterials used, several techniques, including X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectra, ultraviolet and visible (UV/Vis), photoluminescence (PL), scanning electron microscopy (SEM), and graphs by energy dispersive X‐ray spectroscopy (XPS), Zeta potential, point of (pHpzc), and specific surface areas. Furthermore, the XRD, SEM, and TEM confirmed the hexagonal crystalline structure. However, XPS and EDX showed that Sm3+, La3+, and Sr2+ ions integrated into the ZnO lattice. The UV‐estimated band gaps increased in the co‐doped ZnO; BET surface areas declined. The Zeta potential proved the positivity surface charge of nanomaterials. Consequently, they utilized it to investigate the breakdown of reactive red 43 (RR43). The degradation percentages for PZ, Sm‐La CDZ NPs, La‐Sr CDZ NPs, and Sm‐Sr CDZ NPs were 72.88%, 82.63%, 87.08%, and 91.31%, respectively. According to the results, the Sm‐Sr CDZ NPs exhibit high photocatalytic activity. In addition, the pseudo‐first‐order kinetic model and Langmuir model were a better fit. The photocatalytic nanomaterials were also recyclable, which added to their stability. The prepared nanoparticles were evaluated against four bacterial strains and two fungal pathogenic, and the result exhibited a broad spectrum against tested strains. The co‐doped NPs revealed MIC values ranging between1.95 and 62.5 μg/mL and MBC values of (31.3–250 μg/mL) compared with PZ (MIC = 7.81–62.5 μg/mL and MBC = 31.3–250 μg/mL) against bacterial strains. Surprisingly, most of these NPs expressed bacteriocidal and fungicidal potential. In silico molecular docking simulation suggested that the antibacterial activity may be related to the inhibition of DNA gyrase, cell wall synthesis (Upps and Fos A), and biofilm activity (PqsR).

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“…Various methods have been developed to eliminate dyes from textile wastewater; however, the advantages and disadvantages of wastewater treatments coexist [4]. For instance, adsorption has been proven to be an effective method for the removal of organic dyes from water because of its eco-friendliness and the low cost of conventional adsorbents [5].…”

Section: Introductionmentioning

confidence: 99%

“…New adsorbents with metal-organic frameworks (MOFs) have also been reported [6]. However, the dyes are not destroyed by adsorption [4,7]. The dye molecules can be destroyed in the advanced oxidation processes (AOPs), such as the photocatalytic process [4], in which dyes are broken down into CO 2 and H 2 O or some other intermediate product.…”

Section: Introductionmentioning

confidence: 99%

Environmentally Friendly g-C3N4/Sepiolite Fiber for Enhanced Degradation of Dye under Visible Light

Sun

Wang

et al. 2022

Molecules

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Herein, novel visible light active graphitic carbon nitride (g-C3N4)/sepiolite fiber (CN/SS) composites were fabricated via a facile calcination route, exploiting melamine and thiourea as precursors, and sepiolite fiber as support, for efficient degradation of organic dye methylene blue (MB). The as-prepared CN/SS composites were characterized by various characterization techniques based on structural and microstructural analyses. The effects of CN loading amount, catalyst dosage and initial concentration of dye on the removal rate of dye under visible light were systematically studied. The removal rate of MB was as high as 99.5%, 99.6% and 99.6% over the composites when the CN loading amount, catalyst dosage and initial concentration of dye were 20% (mass percent), 0.1 g, and 15 mg/L in 120 min, respectively. The active species scavenging experiments and electron paramagnetic resonance (EPR) measurement indicated that the holes (h+), hydroxyl radical (·OH) and superoxide radicals (·O2−) were the main active species. This study provides for the design of low-cost, environmentally friendly and highly efficient catalysts for the removal of organic dye.

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Zn0.94Mn0.06O for adsorption and photo-degradation of methyl orange dye under visible irradiation: Kinetics and isotherms study

Cited by 12 publications

References 45 publications

GO nanosheets decorated with SnS nanoparticles: excellent photocatalytic performance under visible-light irradiation

GO nanosheets decorated with SnS nanoparticles: excellent photocatalytic performance under visible-light irradiation

Photocatalytic activity of co‐doped NPs based on ZnO as a new class of anti‐microbial agents: Synthesis, characterization, kinetics, isotherm, and in silico molecular docking simulation

Environmentally Friendly g-C3N4/Sepiolite Fiber for Enhanced Degradation of Dye under Visible Light

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