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Nanomaterials and Nanotechnology
Scopus
ISSN 1847-9804 · SAGE Publishing · 328 articles in the index
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Journal Article
Silicene, multilayer silicene and single layer blue phosphorus on different templates
The electronic and structural properties of silicene, multilayer silicene, and 2D silicon films, synthesised on Ag(111), Au(111) and on the α- and β-phase Si(111)√3 × √3R30°-Bi, have been reviewed according to the results of investigations made by low energy electron diffraction, Auger electron…
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Journal Article
Influence of morphology and thermal processing on the dielectric properties of TiO powders and nanofibers
Titanium dioxide (TiO 2 ) exhibits dielectric properties that vary significantly with its physical morphology and thermal history. This work evaluates the dielectric responses of calcined nanopowder, electrospun nanofibers before and after heat treatment. Utilizing TEM, SEM, EDX, FTIR, and XRD…
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Journal Article
Preparation of 11nm ultrafine silica from fluorosilicic acid and study on its formation mechanism
Ultrafine nano-silica, with its smaller particle size compared to conventional nano-silica, is typically synthesized via gas-phase methods that require complex raw materials and processes. Here, we report optimized conditions for preparing ultrafine nano-silica via a precipitation reaction between…
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Journal Article
Synthesis of Arabic gum-capped zinc oxide nanoparticles: A comparative study of the structural, optical, and antibacterial properties
In this study, Arabic gum-capped ZnO NPs (ZnO NPs-Cap) were synthesized via a simple precipitation method, and a comparative study was performed with uncapped ZnO. The synthesized nanoparticles (NPs) were characterized using UV–visible (UV-vis) spectroscopy, Fourier-transform infrared spectroscopy…
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Journal Article
Green synthesis of zinc oxide nanoparticles using fruit extract and zinc nitrate hexahydrate for photocatalytic, antioxidant, and antibacterial activities
Using zinc nitrate hexahydrate as the precursor and Rhus vulgaris fruit extract as a natural reducing and capping agent, this study describes the environmentally friendly synthesis of zinc oxide nanoparticles (RV-ZnONPs). The presence of bioactive substances like phenols, flavonoids, tannins…
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Journal Article
Interfacial permeability evolution and nano-modification effect of “concrete-nanoconcrete” bi-material under water immersion
Waterproof dam concrete’s permeability stability in goaf waterlogged environments critically impacts coal mine safety and groundwater sustainability. Underwater immersion, weak infiltration pathways are formed at the joint interfaces of the composite structure (concrete-concrete), potentially…
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Journal Article
Self-assembly synthesis of lignin nanoparticles from using 1,4-dioxane for antibacterial, antioxidant, and sunscreen properties
Lignin, a renewable aromatic polymer found in lignocellulosic biomass, has several potential uses due to its antioxidant, antibacterial, and UV-absorbing qualities. The aim of this work was to extract soda lignin for sunscreen, antioxidant, and antibacterial properties from Oxytenanthera abyssinic…
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Journal Article
Overview on Comparison of Four Preparation Methods and Physical Properties of Graphene
Graphene is a single layer of carbon atoms arranged in a hexagonal lattice structure, forming a two-dimensional (2D) material with exceptional mechanical, electrical, and thermal properties. Graphene has emerged as one of the most promising nanomaterials because of its unique combination of…
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Journal Article
Biosynthesis of Zinc Oxide Nanoparticles Using Aqueous Leaf Extract of Alternanthera philoxeroides for Antioxidant and Antibacterial Activities
In the contemporary scientific landscape, the demand for sustainable and nontoxic synthesis of metallic nanoparticles has grown significantly, with biological or green synthesis approaches being preferred over conventional physical and chemical methods due to their eco-friendly, cost-effective, and…
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Journal Article
Comparative Analysis of the Effect of Needle-Based Spinneret/Collector Combinations on Morphological Properties of PVA Electrospun Mats
Electrospinning is a promising technique for enabling the manipulation of the structural properties of nano- or microfibrous mats by altering electrospinning parameters. In this paper, it is aimed to examine the morphological variations of electrospun mats fabricated by combinations of different…
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Journal Article
Experimental Investigation of Graphene Oxide Properties Synthesized Through a Facile Scalable Method
The present study investigates a chemical oxidation method for graphene oxide (GO) synthesis with a facile modification in the Tour method. The study aims to optimize the modified synthesis process with a reduced amount of acid intercalants, shortening the production time and improving the quality…
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Journal Article
Progress in the Structure of Carbon Nanostructures Based on Concentrated Salt Systems
In recent years, several studies have been published on the synthesis of carbon nanomaterials—such as carbon nanospheres, carbon nanoframes, carbon nanorods, carbon nanoblocks, and carbon octadecahedrons—in concentrated salt systems. These novel carbon nanomaterials reported in the literature have…
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Journal Article
Preparation of PVDF/KH570-SiO2/UHMWPE Li-Ion Battery Composite Separator via Coaxial Electrospraying/Electrospinning Method
Separators are considered a key component in lithium-ion batteries (LIBs); however, currently commercial polyolefin separators fall short in meeting the demands of high-performance LIBs due to their low porosity and other issues. In this paper, a novel coaxial electrospray/electrospinning device…
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Journal Article
Fabrication and Characterization of Eucalyptus-Incorporated Polyvinyl Alcohol Core–Shell Electrospun Nanofibrous Filter Media for Breath Mask Application
Unpleasant breathing can occur due to bad odors from wearing a medical mask. Electrospinning has been used to incorporate Eucalyptus extract into polyvinyl alcohol (PVA) to overcome the problem of medical masks and as an alternative, as part of an antiflu breathing face mask. This research aims to…
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Journal Article
Synthesis and Investigation of Flower-Like and Microrod-Like Titania Structures for Antibacterial and Photocatalytic Wastewater Treatment
Titanium dioxide (TiO2) nanostructures have garnered significant attention for their exceptional photocatalytic and antibacterial properties in wastewater treatment applications. In this study, a simple, surfactant-free hydrothermal method was developed to synthesize flower-like and microrod-like…
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Journal Article
Mechanistic and Kinetic Evaluation of Hexavalent Chromium Adsorption Using Polyaniline-Functionalized Ti3C2Tx MXene Composite
In the past few decades, different efforts have been made toward chromium (VI) removal from wastewater. In this study, a Ti3C2Tx/PANI composite was synthesized via in situ polymerization from (PANI) and Mxene (Ti3C2Tx). The composite was characterized using XRD, FTIR, SEM–EDS, XPS, and Raman…
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Journal Article
Enhanced Contrast Agent for X-Ray Imaging Using Gold–Silicon Core–Shell Nanostructures
Gold nanoparticles (AuNPs) have been targeted as novel contrast agent for computerized tomography (CT). However, AuNPs suffer from low-contrast factor in the X-ray regime. Functionalization of AuNPs with folic acid or sugar-based molecules to induce selective uptake have displayed contrast…
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Journal Article
Design and Simulation of All-Inorganic Wide-Bandgap CsPbIBr2 Solar Cells for Indoor Photovoltaic Applications
The raising demand for efficient and stable energy sources for indoor applications demands the development of high-performance photovoltaic (PV) materials. This study examines the potential of the all-inorganic CsPbIBr2 perovskite material as a promising photoactive absorber for perovskite solar…
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Journal Article
A One-Bit Optical Numerical Comparator With High Extinction Ratio Based on Graphene–Silicon Microring Resonators
Microring resonators (MRRs) are the important devices for the development of silicon-based optoelectronic integrated chips. Their composition of optical modules, such as optical modulators, switches, and optical logic gates, have greatly contributed to the development of the silicon-based…
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Journal Article
Microwave Absorption Properties of Spinel-Structured Mg–ZnAl2O4
This study investigates the structural, optical, dielectric, and electromagnetic absorption properties of spinel-structured Mg–ZnAl2O4 synthesized through a sol–gel technique. The structural analysis confirmed the presence of various phases, including MgO, ZnO, ZnAl2O4, and MgAl2O4, with an average…