A homogeneous layer of silver sulfide or selenide was coated onto gold nanorods in aqueous solution by exposing Au/Ag core/shell nanorods to S or Se in an oxidizing environment. The formation of the silver chalcogenide layers was confirmed by transmission electron microscopy (TEM) and selective area electron diffraction (SAED). The longitudinal plasmon resonance of the gold nanorods shifted to ...

High-intensity ultrasound exfoliation of a bulk-layered material is an attractive route for large-scale preparation of monolayers. The monolayer slices could potentially be prepared with a high yield (up to 100%) in a few minutes. Exfoliation of natural minerals (such as tungstenite and molybdenite) or bulk synthetic materials (including hexagonal boron nitride (h-BN), hexagonal boron carbon ni...

Objective(s): Drug delivery is an engineering technology to control the release and delivery of therapeutic agents to target organs, tissues, and cells. Metallic nanoparticles, such as gold nanoparticles (AuNPs) have exceptional properties which enable efficient drug transport into different cell types with reduced side effects and cytotoxicity to other tissues.Materials and Methods: AuNPs were...

Magnesium oxide (MgO) was synthesized by three different methods: the sol–gel (SG), microwave-assisted (MW), and hydrothermal (HT) methods for comparing influence of preparation conditions on properties products. The powders were annealed at 450 °C. samples characterized X-ray diffraction, scanning electron microscopy (SEM), transmission (TEM/HRTEM), selected area diffraction (SAED), energy-dis...

This work focuses on the preparation of silver nanoparticles (AgNPs) by a green synthesis using seed extract Derris trifoliata. The optimum time and temperature for extraction seeds were determined FTIR analysis. acted as reducing agent nitrate was used metal precursor AgNPs. Optimization reaction conditions AgNPs its characterization done UV-Vis spectroscopy, FTIR, HRTEM SAED images. UV- Visib...

A method to conformally coat silica nanosprings with magnesium via sublimation at 450 °C has been developed. In addition, Mg thin films were grown on Si(100) using this determine the effects of substrate morphology (nanoscale curvatures vs. planar) interfacial coating. High-resolution/powder X-ray diffraction (HRXRD/PXRD) both Mg-coated NS and film revealed presence Mgand MgO due exposure sampl...

A new and simple method for preparing confined copper nickel nanoparticles by thermal treatment of their respective cations inside Mobil Composition Matter 41 (MCM–41) hydrophobic nanopores is presented here. Surface modified MCM–41 materials were impregnated using high-pressure with II (Cu II) or (Ni aqueous solutions. After pressure release washing, the remaining metal cations, exclusively wi...

ZnO nano-particles is synthesized using hydrated zinc chloride (ZnCl2.2H2O) as main raw components. It calcined at different temperatures (i.e., 200 ⁰C, 400 ºC, 600 ⁰C and 800 ⁰C). Synthesized characterized by XRD, SEM/EDS, HRTEM, UV Visible, Band Gap. XRD result showed pure wurtzite-structure crystalline nature. Both results SAED obtained from pattern HRTEM studies are indicated similar inform...