Abstract This work reveals a green combustion route for the synthesis of TiO 2 , Fe O 3 and -Fe nanocomposites as photocatalysts decolorization Titan Yellow (TY) Methyl Orange (MO) dyes at room temperature in aqueous solution concentration 20 ppm under UV-light irradiation. We observed that nanocomposite shows superior photocatalytic activity TY dye compared to pure . Rate constant (k) values –Fe MO are 0.0194, 0.0159, 0.04396 0.00931, 0.00772 0.0119 kmin −1 respectively. The surface area...

Indigenous medicinal plant of Ethiopia has been applied for the first time to investigate synergistic influence phytoconstituents in green copper nanoparticles (g-Cu NPs) towards enhancement antimicrobial properties NPs. We report synthesis Cu NPs using Hagenia abyssinica (Brace) JF. Gmel. leaf extract. The synthesized g-Cu were characterized by UV-visible, UV-DRS, FT-IR, XRD, SEM, EDXA, TEM, HRTEM, and SAED techniques. maximum absorbance, <mml:math...

The synthesis of optoelectrically enhanced nanomaterials should be continuously improved by employing time- and energy-saving techniques. porous zinc oxide (ZnO) copper-doped ZnO nanocomposites (NCs) were synthesized the energy-efficient solution combustion (SCS) approach. In this SCS approach, once precursor-surfactant complex ignition point is reached, reaction starts ends within a short time without need for any external energy. TGA-DTA analysis confirmed that 500 °C was at which stable...

Adsorption and photo catalysis are the most popular methods applied for reduction of amount pollutants that enter water bodies. The main challenge in process adsorption is demonstration experimental data obtained from sorption processes. For many decades researchers used kinetic as a repetitive work to describe by using common models such as, Langmuir Freundlich isotherms; PFO PSO kinetics. This has been done without careful evaluation characteristics process. It well understood does not...

Abstract Zinc oxide (ZnO) is a fascinating semiconductor material with many applications such as adsorption, photocatalysis, sensor, and antibacterial activities. By using poly (vinyl alcohol) (PVA) polymer capping agent metal oxides (iron manganese) couple, the porous PVA-aided Zn/Fe/Mn ternary nanocomposite (PTMO-NCM) was synthesized. The thermal, optical, crystallinity, chemical bonding, porosity, morphological, charge transfer properties of synthesized materials were confirmed by...

In order to explore an alternative photocatalyst for environmental remediation, we report the sol-gel process synthesis of strontium titanate (SrTiO3) nanoparticles (STNPs). The as-synthesized STNPs were found poses cubic perovskite-type crystal structure with average crystallite size 22 nm well-characterized by X-ray diffraction (XRD). agglomerated and like morphologies identified using scanning electron microscopy (SEM). elemental analysis energy dispersive X-Ray spectroscopy (EDAX)...

Now-a-days nanotechnology is one of the booming fields for researchers. With increase in industrialization mainly textile, paper, medicine, plastic industry, there an concentration organic dyes as pollutant. Release harmful water bodies has become a serious issue, most are carcinogenic and mutagenic nature causes various diseases. Therefore, requirement to find out new approaches efficient treatment effluent containing dyes. Nanoparticles potential solutions this problem. They can be...

The unique features of graphene materials make them excellent catalysts for photodegradation and energy applications. In the present work, CeO2/reduced oxide (rGO) nanocomposites were prepared by a simple one-pot hydrothermal method. nanocomposite is found to have mesoporous structure with surface area 100.129 m2g−1. With preferentially small ability rGO act as electron acceptor, CeO2/rGO photocatalyst supresses electron-pair recombination during photodegradation, thereby achieving quick...

A simple and low‐cost highly calibrated probe sonication method was used to prepare bismuth oxide nanoparticles (Bi 2 O 3 NPs). The formation of a well‐crystalline sample at the end product has been further calcined 600°C for hrs. powder X‐ray diffraction (PXRD) patterns NPs substantiated monoclinic structure (space group P2 1 /c), average crystallite size found be 60 nm, which also confirmed by transmission electron microscopic (TEM) studies. Scanning (SEM) images depicted porous Bi with...

Spar caps, which cover 50% of the cost windmill blades, were made unidirectional and biaxial glass/carbon reinforcements 600 gsm with thicknesses ranging from 100 to 150 mm for blades 70-80 m long. The significance this study was utilize an economical biodegradable material i.e bamboo fabric 125 fabricate a lightweight composite its behavior spar caps applications. aim research investigate effect weave pattern size at coupon level under thermal, dynamic, water absorption, flammability...

A new nanocarrier was developed to address the debilitating side effects associated with cancer treatment, specifically for delivering Sorafenib (SF).This utilises biodegradable polymers, which present a promising approach anti-cancer therapy by enabling controlled drug release and reduced toxicity.The design of includes Fe3O4 nanoparticles, Sodium alginate, Lignosulphonic acid, Polyethylene glycol, SF drug, MgAl layered double hydroxide coating.The extensively characterised using various...

The cost-effective novel Ag-doped (1-7%) (CuO-Cu2O)Cu (C3) heterostructured nanocomposites are successfully synthesized by the facile solution combustion process using Leucas aspera extract as a green fuel. structural properties of fabricated were well-characterized specific spectral techniques for enhanced electrochemical sensor detection, antibacterial activities, and sunlight-driven photocatalytic dye decoloration studies. existence Ag+ ions has been confirmed appearance two peaks Ag...

The NiO-CNT and NiO-Fe-CNT composites that have been prepared from waste high density polyethylene plastic their carbon nanotube (CNT) quality-dependent supercapacitance tuning reported here. Multiwalled CNT (MWCNT) formation has confirmed TEM Raman spectra with an ID/IG ratio of 0.77, which stands for graphitization. specific surface area (SSA) MWCNTs in the composite was 87.8 m2/g, while composite, it 25 m2/g. displayed higher capacitance energy (1360 Fg-1 1180 W h kg-1) than (1250 1000...

Abstract Nowadays, metal oxide nanoparticles (MO NPs) are powerful tools for biological applications due to their distinctive features. Moreover, the efficacy of multimetallic NPs is more fascinating because structural modifications and synergistic effects. This study utilized one-pot green route fabricate trimetallic ZnO-MgO-CuO (ZMC) employing a greener reducing agent from Artemisia abyssinica leaf extract (AALE). The crystal structure, size, compositions, shapes, external topology ZMC...

Abstract The application of flexible polymer nanocomposites for food packaging to inactivate microorganisms associated with foods is the demand present-day industry assure quality throughout operation. utilization polyvinyl alcohol (PVA) assisted zinc oxide nanocomposite stuff has been very attractive in recent past. Nanostructured ZnO was synthesized at optimized pH (10.5) from different ratios acetate and Moringa oleifeira leaf extract (1:7, 1:3, 1:1 3:1). coated (ZnO/PVA) were prepared 5,...

Abstract The biogenic/green silver nanoparticles (g-Ag NPs) were synthesised by using the extract of indigenous medicinal plant Ethiopia, Hagenia abyssinica (Brace) JF. Gmel. leaf for first time, to investigate synergistic effect biomolecules towards enhancement electrochemical properties NPs. synthesized g-Ag NPs characterized UV-visible, UV-DRS, FT-IR, XRD, SEM, EDXA, TEM, HRTEM and SAED techniques. maximum absorbance, λ max was found be 461 nm due surface plasmon resonance. energy gap, E...

Zinc oxide is one of the novel metal oxides utilized for diverse applications. The sol–gel and unintended self-propagation procedures were applied to synthesize porous high surface area ZnO-based nanocomposite. p-type manganese(III) was successfully coupled with n-type ZnO. physical property characterization results revealed area, porosity, charge transfer capability improvement on poly(vinyl alcohol) (PVA)-aided binary nanocomposite (PVA-ZnO/Mn2O3), compared XRD patterns TEM image analysis...

We report the synthesis of medicinal plant, Vernonia amygdalina Del. mediated green copper oxide nanoparticles (VeA-CuO NPs). The presence two absorbance maxima, λmax 1 and 2 at 436 nm 452 nm, respectively confirms a mixture biomolecules surface amalgamated CuO NPs with different morphological features. FT-IR spectra plant leaf extract VeA-CuO confirmed efficient role as capping stabilising agents. XRD patterns approved high crystallinity CuO. purity was corroborated by SEM-EDAX analysis....