Photocatalytic decomposition effect of erbium doped cerium oxide nanostructures driven by visible light irradiation: Investigation of cytotoxicity, antibacterial growth inhibition using catalyst

Magdalane, C. Maria; Kaviyarasu, K.; Raja, A.; Arularasu, M.V.; Mola, Genene Tessema; Исаев, А. Б.; Al-Dhabi, Naïf Abdullah; Arasu, Mariadhas Valan; Jeyaraj, B.; Kennedy, J.; Mâaza, M.

doi:10.1016/j.jphotobiol.2018.06.011

Cited by 162 publications

(35 citation statements)

References 35 publications

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“…The same experiment was also carried out with pure ZnO shows poor degradation of MB dye. The generation of excitons in pure ZnO was not easy due to the large bandgap and insufficient wavelength of visible light [45]. The efficiency of degradation of MB was almost the same for 5 cycles.…”

Section: Catalyst Recyclingmentioning

confidence: 99%

Highly porous, honeycomb like Ag–ZnO nanomaterials for enhanced photocatalytic and photoluminescence studies: green synthesis using Azadirachta indica gum

Basavalingiah

Harishkumar

Udayabhanu³

et al. 2019

SN Appl. Sci.

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The preparation of zinc oxide and silver doped zinc oxide nanoparticles using zinc nitrates and silver nitrates as oxidizers and Azadirachta indica gum as a fuel via solution combustion method at 500 °C. The synthesized nanoparticles were characterized by XRD, FTIR, UV-DRS, SEM and TEM studies; these materials were tested for photoluminescence and photocatalytic activity studies. The PXRD data indicated that the synthesized nanoparticles confirmed as hexagonal phase with average crystallite size of 13.33 and 13.34 nm for ZnO and Ag-ZnO respectively. The SEM data revealed that, the material obtained is highly porous and honeycomb like structure. In the photocatalytic degradation of methylene blue, Ag-ZnO nanoparticles have shown the good photocatalytic activity than undoped ZnO nanoparticles. This is due to the presence of Ag on the surface of ZnO catalyst makes the catalyst more sensitive to light and reduce the electron hole recombination. Furthermore, we have also examined the photoluminescence studies for the synthesized materials and it has given the green emission by excitation at 380 nm. In this study, the green synthesis method will produces large quantity of nanomaterials with less time and low cost.

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Section: Catalyst Recyclingmentioning

confidence: 99%

Highly porous, honeycomb like Ag–ZnO nanomaterials for enhanced photocatalytic and photoluminescence studies: green synthesis using Azadirachta indica gum

Basavalingiah

Harishkumar

Udayabhanu³

et al. 2019

SN Appl. Sci.

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“…On the other hand, the reactive hydroxyl radical (.OH) can also be formed via the holes and OH − ions in aqueous solution. These radicals ( • OH, O 2 and h + ) can participate in the photooxidation reaction [44,45]. Influence of sonication and light illumination conditions, the RhB aqueous solution was decomposed into CO 2 , H 2 O and other small molecules due to the effective separation of photoexcited e + /hole [38,44].…”

Section: Photocatalytic Studiesmentioning

confidence: 99%

“…These radicals ( • OH, O 2 and h + ) can participate in the photooxidation reaction [44,45]. Influence of sonication and light illumination conditions, the RhB aqueous solution was decomposed into CO 2 , H 2 O and other small molecules due to the effective separation of photoexcited e + /hole [38,44]. Various parameters such as particle size, phase composition, surface area and electron-hole recombination rate are to maximize the photocatalytic activity of synthesized samples.…”

Section: Photocatalytic Studiesmentioning

confidence: 99%

Effect of organic capping agents on the optical and photocatalytic activity of mesoporous TiO2 nanoparticles by sol–gel method

Arularasu¹

2019

SN Appl. Sci.

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In this work, the effect of capping agent effects on the structural, morphological, optical properties and photocatalytic removal of Rhodamine B (RhB) dye has been investigated. TiO 2 nanoparticles were synthesized by a simple, fast and ecofriendly sol-gel method, in the presence of various capping agents, including ethylenediamine, polyvinyl alcohol (PVA), ethylene glycol, glucose and valine. The obtained TiO 2 nanoparticles have been characterized by X-ray diffraction (XRD), energy dispersive X-ray analysis, high resolution scanning electron microscopy and transmission electron microscopy, UV-visible absorption and photoluminescence (PL) spectroscopy. XRD pattern reveals the polycrystalline nature of TiO 2 with anatase structure. The results revealed that the optical absorption band of TiO 2 nanoparticles varied by capping agents. PL spectra exhibited visible emissions due to the formation of defects in the band gap region of TiO 2 nanoparticles. The photocatalytic degradation of RhB dye by synthesized TiO 2 nanoparticles using different capping agents was investigated under UV irradiation and the results demonstrated that TiO 2 nanoparticles have appreciable photocatalytic activity for decomposing RhB dye when PVA was used as a capping agent. The results explained that the preparation of TiO 2 nanoparticles showed a high efficiency in the removal of organic dyes.

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“…This will enable the feasibility of this process in controlling the stoichiometry of the multi‐component metal oxides, which will enhance the reliability of this process for diverse materials and applications. These biosynthesised metal oxide nanoparticles and their composite/ hybrid forms will have extensive application potential in many research areas including catalysis, biomedical, photonics, energy storage/ conversion, environmental and sensor applications. Further, it is also essential to explore the molecular modelling/ statistical analysis to describe the mechanism of the combustion process for the synthesis of various metal oxide nanoparticles, which will help to have control over the synthetic parameters aiming towards the synthesis of final products with desired properties for many industrial applications.…”

Section: Future Perspectives and Emerging Opportunitiesmentioning

confidence: 99%

Combustion Process Using Plant‐Based Fuels for the Synthesis of Metal‐ Oxide Nanostructures

Vivekanandhan¹

2019

ChemistrySelect

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Metal oxide nanostructures receive great interest due to their unique size and shape dependent physicochemical and functional properties. With the rapid growth of metal oxide nanotechnology, their chemical synthesis processes have become the most promising one due to their simplicity and versatility. Among the various available chemical processes such as sol‐gel, hydrothermal, polyol and precipitation, the combustion process receives significant attention. In particular, the combustion process has been extensively explored for the synthesis of various nanostructured materials including metal oxides, which involves in the exothermic reaction upon thermal heating of precursor chemicals. Recently, the combustion process has been reinvented by using the various renewable resource‐based organic fuels, which receives increasing interest among global researchers. A wide range of plant/ leaf, fruit, flower, seed, peel, latex and tuber extracts along with the plant‐derived products have been explored in combustion process for the synthesis of various metal oxides. Hence, the present review is aimed to focus the recent advances in the combustion process by using renewable fuels for the synthesis of metal oxide nanostructures and also the emerging opportunities.

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Photocatalytic decomposition effect of erbium doped cerium oxide nanostructures driven by visible light irradiation: Investigation of cytotoxicity, antibacterial growth inhibition using catalyst

Cited by 162 publications

References 35 publications

Highly porous, honeycomb like Ag–ZnO nanomaterials for enhanced photocatalytic and photoluminescence studies: green synthesis using Azadirachta indica gum

Highly porous, honeycomb like Ag–ZnO nanomaterials for enhanced photocatalytic and photoluminescence studies: green synthesis using Azadirachta indica gum

Effect of organic capping agents on the optical and photocatalytic activity of mesoporous TiO2 nanoparticles by sol–gel method

Combustion Process Using Plant‐Based Fuels for the Synthesis of Metal‐ Oxide Nanostructures

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