A critical review on the recent trends of photocatalytic, antibacterial, antioxidant and nanohybrid applications of anatase and rutile TiO2 nanoparticles

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 914, P. 169815 - 169815

Published: Jan. 4, 2024

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Degradation of textiles dyes and scavenging activity of spherical shape obtained anatase phase of Co–Ni-doped TiO2 nanocatalyst

Journal of Materials Science Materials in Electronics, Journal Year: 2024, Volume and Issue: 35(2)

Published: Jan. 1, 2024

Language: Английский

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Hybrid nanofluids preparation, thermo-physical properties, and applications: A Review

Hybrid Advances, Journal Year: 2024, Volume and Issue: 6, P. 100192 - 100192

Published: April 22, 2024

Nanofluids (NFs) incorporation has emerged as a pivotal advancement in the realm of technology. With technology, new segments NFs are introduced recently. Compared to conventional fluids, both and Hybrid nanofluids (HNFs) offer significantly enhanced heat transfer due presence nanoparticles (NPs). provide an initial boost, but HNFs take it step further by combining different NPs for even greater thermal performance efficiency. combination two or more dispersed convectional fluid. This compilation purpose is serve succinct overview covering history, preparation techniques, thermo-physical properties, future directions, current status applications. Mainly two-step one-step methods discussed preparation. Thermophysical properties like conductivity, specific heat, density viscosity distinct parameter variation (temperature, concentration etc.) reviewed. applications various fields solar heating systems, cooling exchangers industrial processes, medical treatments, oil recovery have been discussed. The aspects focus on refining compositions, scalable production methods, eco-friendly formulations optimizing predictive models diverse

Language: Английский

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Azadirachta indica and polyvinylpyrrolidone encapsulated Fe2O3 nanoparticles to enhance the photocatalytic and antioxidant activity

Inorganic Chemistry Communications, Journal Year: 2023, Volume and Issue: 155, P. 111084 - 111084

Published: July 17, 2023

Language: Английский

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Tinospora cordifolia and polyvinylpyrrolidone encapsulated dual doped Ni-Cu TiO2 emerging nanocatalyst for the removal of organic dyes from wastewater and its free radical assay activity

Hybrid Advances, Journal Year: 2023, Volume and Issue: 4, P. 100086 - 100086

Published: Sept. 6, 2023

In this study, a microwave-assisted method was used to encapsulate dual doped nickel-copper titanium dioxide (TiO2) nanoparticles (Ni-Cu TNPs) with polymer polyvinylpyrrolidone (PVP) and plant Tinospora Cordifolia (TC). The catalytic efficiency of encapsulated TNPs performed through photocatalytic activity against Methyl Orange (MO) Methylene Blue (MB) dyes as considered water pollutants released by textiles industries. Also, these were incubated in scavenging eliminate the free radicals 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. physicochemical properties analyzed using different characterization techniques. X-Ray Diffraction (XRD revealed that Ni-Cu had tetragonal crystal lattice structure. scanning electron microscopy (SEM) confirms spherical morphology an average particle size ranging from 33 41 nm. bandgap found be between 3.47 3.54 eV. Under UV radiation, control experiment MO MB dyes. rate degradation reached up 99% for both on increasing increase catalyst dosage. demonstrated antioxidant 93% DPPH

Language: Английский

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Chemical/green synthesized cobalt/copper-doped α-Fe2O3 nanoparticles: Potential for environmental remediation

Journal of materials research/Pratt's guide to venture capital sources, Journal Year: 2024, Volume and Issue: 39(5), P. 836 - 849

Published: Jan. 8, 2024

Language: Английский

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Trimetallic doped hematite (α-Fe2O3) nanoparticles using biomolecules of Azadirachta indica leaf extract for photocatalytic dye removal: insights into catalyst stability and reusability

Emergent Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 12, 2024

Language: Английский

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Photocatalytic adsorption and scavenging potential of chemical and green encapsulated anatase phase of coupled doped Zn-Co TiO ₂ nanoparticles

Journal of Dispersion Science and Technology, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 16

Published: Feb. 8, 2024

The alarming global issue of dye contamination in water poses a critical threat to both human health and aquatic ecosystems, exacerbated by the irresponsible discharge colored pollutants from textile industry. Amidst various remedies, photocatalysis utilizing Titanium dioxide (TiO2) stands out as remarkably effective solution for combatting pollution. In an endeavor elevate efficiency TiO2, this study dedicated its focus successful synthesis anatase-phase coupled doped Zinc-Cobalt (Zn-Co) TiO2 nanoparticles (TDNPs), achieved through dual approach involving chemical encapsulation with Polyvinylpyrrolidone (PVP) green Tinospora Cordifolia (T. Cordifolia). encapsulated Zn-Co TDNPs underwent meticulous analysis, unveiling tetragonal crystal structure presenting visually appealing spherical morphology, particle sizes ranging 61 82 nm. photocatalytic prowess proved be nothing short impressive, showcasing outstanding degradation up 99 % methyl orange (MO) methylene blue (MB) dyes under UV radiation. Beyond their exceptional remediation capabilities, these also exhibited noteworthy antioxidant activity, demonstrating efficacy 96 95 DPPH (2,2-diphenyl-1-picrylhydrazyl) hydrogen peroxide (HP) assay, respectively. This not only addresses environmental concern but highlights tantalizing potential paving way sustainable treatment solutions.

Language: Английский

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Nano bioaugmentation for textile dye remediation: A sustainable approach for health and environment management

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: unknown, P. 126254 - 126254

Published: Oct. 1, 2024

Language: Английский

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Polymer/phytochemical mediated eco-friendly synthesis of Cu/Zn doped hematite nanoparticles revealing biological properties and photocatalytic activity

International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde), Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Abstract Unique magnetically recoverable copper/zinc-doped hematite nanoparticles, were synthesized by using a co-precipitation process with polymer polyvenylpyrodine and an aqueous extract of the Azadirachta indica plant serving as capping stabilizing agent. Hematite nanoparticles are most stable form iron oxide at room temperature, presented work concentrated on effects comparisons chemically green doped materials that serve dual role reducing agents: supporting biomedical application catalyzing environmental cleanup through photocatalysis. The prepared characterized X-ray diffraction, UV–vis spectroscopy, Fourier-transform infrared Raman vibrating-sample magnetometry, scanning electron microscopy, transmission microscopy techniques to examine produced material. average grain size for was found be 13.33–19.90 nm based diffraction measurements. spectroscopy spectrum demonstrates function biomolecules in nanoparticles. ferrimagnetic character demonstrated Vibrating-sample magnetometer investigation showed dependence 300 K. According phytochemical study, A. has components enhance its photocatalytic antioxidant activity. In comparison, chemical/green noticeably higher activity oxidative breakdown hazardous organic dyes Rhodamine blue Congo red. Additionally, photocatalyst displayed outstanding stability reaction. Radical scavenger assays 2,2-diphenyl-1-picrylhydrazyl 2,2′-Azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) used measure capability. Based assay, bran husk fractions levels This research is regarded novel step production particular biological characteristics wide use environmental, agricultural areas.

Language: Английский

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