Materials Literature
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Noble metals deposited on TiO2 act as electron traps facilitating electron-hole separation and promoting the interfacial electron transfer process. In particular, silver nanoparticles have the ability to absorb visible light due to localized surface plasmon resonance. Here we report a photochemical and photocatalytic…
We investigated implications of nanostructure formation on structural and magnetotransport properties of La0.7Sr0.3MnO3 compound. The polycrystalline nanomaterials of variable grain sizes were synthesized by using sol-gel method. The structural parameters obtained by Rietveld refinement of the X-ray diffraction data i…
Carbon nanotube field-effect transistors (CNFETs) are promising candidates for building energy-efficient digital systems at highly-scaled technology nodes. However, carbon nanotubes (CNTs) are inherently subject to variations that reduce circuit yield, increase susceptibility to noise, and severely degrade their antic…
We investigate the effect of confinement and orientation on the phonon transport properties of ultra-thin silicon layers of thicknesses between 1 nm and 16 nm. We employ the modified valence force field method to model the lattice dynamics and the ballistic Landauer transport formalism to calculate the thermal conduct…
Scaffolds are one of the key factors for the success of tissue engineering, in particular when dealing with anchorage-dependent cells. The concept of using scaffolds in tissue engineering lies in mimicking the physical, chemical and biological features of native extracellular matrix (ECM) in order to support cell func…
With increasing threat of man-made debris in outer space, a shielding panel designed for spacecraft or satellite should withstand hypervelocity impact of debris, with speed up to 9.0 km/s. In this study, shielding performances of 2024 aluminum alloy panel, carbon fiber reinforced polymer composite (CFRP) panel and the…
To improve Plasmonic energy harvesting, the Al doped ZnO (AZO) and Si heterojunction was studied for plasmonic photovoltaic applications. Silver nanoparticles (Ag NPs) were embedded in AZO, resulting in direct energy absoption from Ag NPs, positioned close to the junction. This structure has a benefit of avoiding high…
In this study we have investigated the relation between the secondary electron yield (SEY) and the surface chemical state for technical Al alloy samples cut from the inner walls of the Petra III storage ring. SEY curves measured after prolonged electron beam irradiation at 500 eV showed maximum values (${\ensuremath{\…
Eight new species of the diatom genus Gomphoneis Cleve from Xinjiang Province of northwest China are described. Observations were made using light and scanning electron microscopy, documenting the morphological diversity of the taxa, all of which are part of the G. elegans lineage, and lack isolated stigmoids. Five of…
Semiconducting carbon nanotubes are attractive materials for harvesting light in photovoltaic solar cells and photodetectors. A crucial aspect of designing efficient photovoltaic devices using nanotubes is minimizing the length scale for the absorption of light (LA) and maximizing the length scale across which exciton…
Electrospinning is now a typical way of direct and consecutive producing nanofibers. In order to comprehensively understand the change of fiber chains in falling process of electrospinning, the article import dissipative particle dynamics (DPD) mesoscale simulation method into electrospinning study. In current work, a…
The electric current was measured during needle-, rod- and roller electrospinning. The influence of the needle diameter, flow rate, protrusion needle length, and relative humidity on the current was studied using various polymer solutions. The results of Bhattacharjee et al. were confirmed in the experiments with poly…
In nanocrystal quantum dots (NQDs), generating multiexcitons offers an enabling tool for enhancing NQD-based devices. However, the photocharging effect makes understanding multiexciton kinetics in NQD solids fundamentally challenging, which is critically important for solid-state devices. To date, this lack of underst…
Up shift: 6s–5d hybridization and the up-shift of the 5d band to the Fermi level is demonstrated in catalytically active gold clusters on a cerium oxide nanorod support by using resonant photoemission spectroscopy and density functional theory modeling. These results help to explain the high catalytic activity of this…
ZnO nanowire morphology has been widely studied due to its unique material properties and excellent performance in electronics, optics, and photonic. Recently, photocatalytic applications of ZnO nanowire are creating an increasing interest in the environmental applications. This paper presents a low-cost and ecofriend…
We report on the synthesis of two types of Ag nanoparticles (NPs) and the influence of adsorbed surfactant size on the NP surface for surface-enhanced Raman scattering (SERS) signals. Both particles were of similar size and morphology but were covered by surfactants of different sizes; one surfactant was sodium citrat…
A new strategy for the synthesis of inorganic–organic silver(I)-polyoxometalate materials was developed. The approach takes advantage of the ability of purine bases to build strong networks using them as ligands to silver(I). Its major experimental strong point is the facile preparation of target compounds from aqueou…
In this paper, we will explore how optical and ferroelectric properties of the stressed ferroelectric nanoparticles prepared through ball milling set a limit on the performance of optical and electro-optical devices based on such materials. It was found that suspensions of BaTiO3 nanoparticles exhibit a blue shift in…
The labeling of living cells with carbon nanoparticles has been increasingly studied both in vivo and in vitro, but concerns about the potential cytotoxicity of these nanoprobes are also increasing. In this study, the fluorescent carbon dots (CDs) without surface modification was synthesized and evaluated for its cyto…
We report on the preparation and characterization of polyurethane (PU) nanofibers containing silver (Ag) nanoparticles were synthesized by using electrospinning. Two different approaches were adopted to incorporate the Ag nanoparticles in to PU nanofibers. In the first approach, a homogeneous solution of 10 wt% PU con…