Πλοήγηση ανά Θέμα "Metal nanoparticles"
Αποτελέσματα 1-14 από 14
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Ag nanoparticles modified crumpled borophene supported Co3O4 catalyst showing superior oxygen evolution reaction (OER) performance
(2021)Herein, we report borophene decorated with Ag nanoparticles (Ag@B) as a support, which shows greatly enhanced oxygen-evolution-reaction (OER) performance for Co3O4 catalysts. The excellent OER performance of Co3O4-Ag@B is ... -
Coated Cu-doped ZnO and Cu nanoparticles as control agents against plant pathogenic fungi and nematodes
(2022)In the current study, coated copper nanoparticles with polyethylene glycol 8000 (Cu@PEG NPs) and copper-doped zinc oxide nanoparticles with diethylene glycol (Cu-doped ZnO@DEG NPs) have been synthesized via solvothermal ... -
Computational Study of the Optimum Gradient Magnetic Field for the Navigation of the Spherical Particles in the Process of Cleaning the Water from Heavy Metals
(2016)The usage of magnetic spherical nanoparticles, coated with substances and driven to targeted areas in tanks, is proposed for cleaning the water from heavy metals. In the present paper, a computational study for the estimation ... -
Enhancement of oxygen reduction reaction performance: The characteristic role of Fe–N coordinations
(2018)Fe-Nx-C materials are extensively investigated due to their outstanding performance for oxygen reduction reaction (ORR). However, even though Fe3C, pyridinic N, and Fe–N coordinations have been widely recognized as active ... -
Furfurylation of tropical wood species with and without silver nanoparticles: Part I: Analysis with confocal laser scanning microscopy and FTIR spectroscopy
(2021)This work focused on the upgrading of non-durable tropical wood species originating from fast-growing plantations of Costa Rica. Modification of such tropical woods with furfuryl alcohol, although has not been broadly ... -
Furfurylation of tropical wood species with and without silver nanoparticles: Part II: Evaluation of wood properties
(2021)The purpose of the work was to assess the combined effect of furfurylation, along with the addition of silver nanoparticles (NPsAg), on the thermal stability, density, water absorption, hardness and biological durability ... -
Geo- and nano-materials affect the mono-metal and competitive sorption of Cd, Cu, Ni, and Zn in a sewage sludge-treated alkaline soil
(2019)We evaluated the effect of geomaterials (modified zeolite and bentonite using CaCl2) and nanoparticles (ZnO and MgO) on the mono-metal and competitive sorption of cadmium (Cd), copper (Cu), nickel (Ni), and zinc (Zn) in ... -
Heavy metal adsorption using magnetic nanoparticles for water purification: A critical review
(2021)Research on contamination of groundwater and drinking water is of major importance. Due to the rapid and significant progress in the last decade in nanotechnology and its potential applications to water purification, such ... -
Lithium-sulfur battery cathodes made of porous biochar support CoFe@NC metal nanoparticles derived from Prussian blue analogues
(2019)Li–S batteries are considered as candidates for the next-generation secondary batteries due to their high energy density (~ 1672 mAh g−1). However, poor conductivity and shuttle effect have become the major obstacles for ... -
Metal nanoparticles: Phytotoxicity on tomato and effect on symbiosis with the Fusarium solani FsK strain
(2021)The effect of copper (Cu-NPs, CuO-NPs), silver (Ag-NPs) and zinc oxide (ZnO-NPs) nanoparticles (NPs) on plant growth, physiological properties of tomato plants and their symbiotic relationships with the endophytic Fusarium ... -
Micromixing efficiency of particles in heavy metal removal processes under various inlet conditions
(2019)Water quality problems are a persistent global issue since population growth has continually stressed hydrological resources. Heavy metals released into the environment from plating plants, mining, and alloy manufacturing ... -
Mixing of Fe3O4 nanoparticles under electromagnetic and shear conditions for wastewater treatment applications
(2022)The ability of heavy metals to accumulate in living organisms, combined with the fact that they are not biodegradable, necessitates an expansion and improvement of the existing water purification methods. An effective ... -
Oxygen Reduction Reaction over PtFeM (M = Mo, V, W) Alloy Electrocatalysts: Role of the Compressive Strain Effect on Pt
(2019)The high level loading requirement of platinum and the sluggish oxygen reduction kinetics - catalyzed by platinum-based electrocatalysts - create major bottlenecks for cost-effective application of fuel cell technology. ... -
Water Purification in Micromagnetofluidic Devices: Mixing in MHD Micromixers
(2016)This contribution addresses a possible solution for water purification from heavy metals by magnetic nanoparticles in microfluidic water flow systems. In this technique, the most important component is the micromixer while ...