Use and misuse of the Kubelka-Munk function to obtain the band gap energy from diffuse reflectance measurements

Solid State Communications, Journal Year: 2021, Volume and Issue: 341, P. 114573 - 114573

Published: Oct. 21, 2021

Language: Английский

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Review on magnetic spinel ferrite (MFe2O4) nanoparticles: From synthesis to application

Heliyon, Journal Year: 2023, Volume and Issue: 9(6), P. e16601 - e16601

Published: May 26, 2023

Magnetic spinel ferrite materials offer various applications in biomedical, water treatment, and industrial electronic devices, which has sparked a lot of attention. This review focuses on the synthesis, characterization, ferrites variety fields, particularly with doping. Spinel nanoparticles doped elements have remarkable electrical magnetic properties, allowing them to be used wide range such as microwave absorbers, biomedicine. Furthermore, physical properties can modified by substituting metallic atoms, resulting improved performance. The most recent noteworthy are reviewed discussed this review. goes over doping different types metal nanoparticles, well views how choose appropriate based intended application.

Language: Английский

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Photocatalytic effect of CuO nanoparticles flower-like 3D nanostructures under visible light irradiation with the degradation of methylene blue (MB) dye for environmental application

Environmental Research, Journal Year: 2021, Volume and Issue: 203, P. 111880 - 111880

Published: Aug. 14, 2021

Language: Английский

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Effect of Ag doped MnO2 nanostructures suitable for wastewater treatment and other environmental pollutant applications

Environmental Research, Journal Year: 2021, Volume and Issue: 205, P. 112560 - 112560

Published: Dec. 13, 2021

Language: Английский

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Graphene oxide modified K, P co-doped g-C3N4 and CoFe2O4 composite for photocatalytic degradation of antibiotics

Journal of the Taiwan Institute of Chemical Engineers, Journal Year: 2023, Volume and Issue: 150, P. 105077 - 105077

Published: Aug. 12, 2023

Language: Английский

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Green synthesis and antimicrobial efficacy of titanium dioxide nanoparticles using Luffa acutangula leaf extract

Journal of King Saud University - Science, Journal Year: 2022, Volume and Issue: 34(3), P. 101896 - 101896

Published: Feb. 9, 2022

The present study deals with the synthesis of titanium dioxide (TiO2) nanoparticles using Luffa acutangula leaf extract and explore antimicrobial potential synthesized nanoparticles. biosynthesized TiO2 were characterized different spectroscopic microscopic techniques. absorption spectrum primarily by Ultraviolet visible (UV–vis) spectrophotometer. functional groups associated examined Fourier Transform Infrared (FTIR) spectroscopy. crystalline structure analyzed X-ray diffraction (XRD) examination. Morphological characters Scanning Electron Microscopy (SEM) Transmission Microscope -Selective Area Diffraction (TEM - SAED). Presence elemental composition Energy Dispersive (EDX). properties observed to be highly toxic against bacterial strains are Bacillus subtilis (B. subtilis), Escherichia coli (E. coli), Enterococcus faecalis faecalis), Klebsiella pneumonia (K. pneumoniae), Staphylococcus aureus (S. aureus) Pseudomonas aeruginosa (P. aeruginosa) fungal Aspergillus flavus (A. flavus), niger niger), Rhizopus oryzae (R. oryzae) Sclerotium rolfsii Rolfsii). zone inhibition was estimated disc diffusion assay moreover, minimum inhibitory concentration evaluated micro broth dilution assay. It can concluded that manifest a strong action thus developed as novel type materials for cure microbial infections.

Language: Английский

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Sustainable pollutant removal and wastewater remediation using TiO2-based nanocomposites: A critical review

Nano-Structures & Nano-Objects, Journal Year: 2023, Volume and Issue: 36, P. 101050 - 101050

Published: Oct. 1, 2023

Rapid industrialization and urbanization emphasized water purification the production of carbon-neutral fuels. State-of-the-art technology that is low-cost, long-lasting, easy to implement required address these issues. In this context, substantial developments in green synthesis have provided a more efficient, effective, affordable procedure. One possible paradigm worth considering circular system purifies produces biomass. Titanium dioxide-based photocatalysts (TPs) can be great tool due their outstanding properties, which modified for improving photocatalytic activities various advanced oxidation process applications. recent years, there has been significant increase attention given development environmentally sustainable TPs. A comprehensive analysis nearly 300 academic articles study revealed shortcomings effectively utilizing The primary objective paper was gaps need filled order ensure efficient utilization TPs wastewater treatment. Accordingly, comprehensively reviewed TiO2's features, including structure, methods, activities, mechanism, structure modifications, applications, treatment cost analysis, catalysts reuse Finally, sustainability technique achieve goal economy, concept waste-to-resource introduced. implementation aforementioned approach may serve as valuable means achieving outcomes field

Language: Английский

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Hydrogen Production by Water Splitting with Support of Metal and Carbon-Based Photocatalysts

ACS Sustainable Chemistry & Engineering, Journal Year: 2023, Volume and Issue: 11(4), P. 1221 - 1252

Published: Jan. 18, 2023

Hydrogen energy is environmental-friendly and considered an attractive alternative to fossil fuels. Among the feasible technologies for hydrogen generation, photocatalysis-derived from water splitting be optimal solution meeting long-term sustainability increased demands. In this context, various photocatalytic genres are proposed, with metal carbon-supported photocatalysts demonstrating greater comprehensiveness potential addressing solar-driven production water. Several important aspects of aforementioned reviewed in present work effort provide pertinent researchers new horizons more advanced performance. The review initiated by introducing primary principles photocatalysis, as well prerequisites generation focus then moves metal-based photocatalysts, where features these materials summarized. Related limitations also discussed, along proposed strategies that could potentially mitigate them. Similar systematic summaries made knowledge on carbon-based photocatalysts. concludes a discussion future research directions light bottlenecks currently encountered. With proper development, produce clean water, thereby fueling global development without causing environmental harm.

Language: Английский

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Synthesis of novel MnFe2O4/BiOI green nanocomposite and its application to photocatalytic degradation of tetracycline hydrochloride: (LC-MS analyses, mechanism, reusability, kinetic, radical agents, mineralization, process capability, and purification of actual pharmaceutical wastewater)

Journal of Photochemistry and Photobiology A Chemistry, Journal Year: 2023, Volume and Issue: 444, P. 114989 - 114989

Published: June 29, 2023

Language: Английский

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Efficient Photocatalytic Degradation of Congo Red Dye Using Facilely Synthesized and Characterized MgAl₂O₄ Nanoparticles

ACS Omega, Journal Year: 2024, Volume and Issue: 9(4), P. 4870 - 4880

Published: Jan. 19, 2024

The discharge of congo red dye into water sources by factories has been associated with a range health concerns, such as cancer, redness, skin irritation, and allergic reactions. As result, this research focused on the cost-effective straightforward production MgAl2O4 nanoparticles using Pechini sol–gel process. Subsequently, these were employed for successful photocatalytic decomposition dye. Moreover, extensive characterization fabricated was conducted through diverse methodologies, which included Fourier-transform infrared spectroscopy, ultraviolet–visible spectrophotometry, high-resolution transmission electron microscopy (HR-TEM), field-emission scanning (FE-SEM), powder X-ray diffraction (XRD). Furthermore, XRD analysis disclosed that average crystal size produced is 10.36 nm, their optical energy gap determined to be 3.71 eV. FE-SEM examination unveiled combination spherical disorganized structures 0.14 μm grain size. HR-TEM analysis, in turn, revealed composed minuscule particles an diameter 8.75 nm. maximum degradation 50 mL at concentration 25 mg/L reached 99.27% within 80 min pH 3. Additionally, findings confirmed consistent activity toward even after four cycles, thereby validating effectiveness reusability developed study.

Language: Английский

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