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, Год журнала: 2024, Номер 914, С. 169815 - 169815

Опубликована: Янв. 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, Год журнала: 2024, Номер 35(2)

Опубликована: Янв. 1, 2024

Язык: Английский

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

Hybrid Advances, Год журнала: 2024, Номер 6, С. 100192 - 100192

Опубликована: Апрель 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

Язык: Английский

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

Inorganic Chemistry Communications, Год журнала: 2023, Номер 155, С. 111084 - 111084

Опубликована: Июль 17, 2023

Язык: 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, Год журнала: 2023, Номер 4, С. 100086 - 100086

Опубликована: Сен. 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

Язык: 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, Год журнала: 2024, Номер 39(5), С. 836 - 849

Опубликована: Янв. 8, 2024

Язык: 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, Год журнала: 2024, Номер unknown

Опубликована: Июнь 12, 2024

Язык: 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, Год журнала: 2024, Номер unknown, С. 1 - 16

Опубликована: Фев. 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.

Язык: Английский

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

Journal of Molecular Liquids, Год журнала: 2024, Номер unknown, С. 126254 - 126254

Опубликована: Окт. 1, 2024

Язык: Английский

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Degradation of malachite green dye by capping polyvinylpyrrolidone and Azadirachta indica in hematite phase of Ni doped Fe2O3 nanoparticles via co-precipitation method

Nanofabrication, Год журнала: 2023, Номер 8

Опубликована: Апрель 26, 2023

In the present research, a chemical co-precipitation approach has been used to synthesis, characterization, and photocatalytic applicability of Ni-doped α-Fe2O3 (hematite) nanoparticles. Biosynthesized iron oxide nanoparticles (IONPs) were successfully synthesized using non-toxic leaf extract Azadirachta indica (AI) plant (neem) as reducing stabilizing agent. X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning (SEM), Raman spectroscopy, FT-IR ultraviolet-visible (UV-Vis) vibrating sample magnetometer (VSM) have all examine materials. All produced NPs contain only nanocrystalline hematite phase, according XRD measurements. The morphology studies Ni-doping nanoparticles, demonstrated by TEM SEM. phase purity phonon modes prepared are confirmed spectroscopy. UV-Vis absorption tests show also that value band gap increases together with reduction in particle size, going from 2.26 eV for 2.5 green Additionally, it was clear magnetic characteristics samples behaved ferromagnetically at ambient temperatures. On other side, malachite (MG) dye surrogate industrial wastewater order study efficiency particles. pure/green showed after 70 minutes exposure, 92% MG had become discolored.

Язык: Английский

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