Materials Literature
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A novel amorphous carbon thin film (ACTF) was prepared by hydrolyzing wood sawdust and delignificating the residue to obtain cellulose mass that was subjected to react with cobalt silicate nanoparticle as a catalyst under the influence of sudden concentrated sulfuric acid addition at 23 °C. The novel ACTF was obtained…
An efficient synthetic method for magnetically recoverable hybrid copper porphyrinic nanomaterials is reported. These functionalized magnetic materials prove to be efficient bioinspired oxidation catalysts of olefins and thiols, using molecular oxygen as oxidant, in total absence of reductants and solvents, with the h…
Observation of replica bands in the angle-resolved photoemission spectroscopy (ARPES) spectra of single-layer FeSe on a strontium titanate substrate revealed a phonon component contribution to mechanisms behind its high-${T}_{c}$ superconductivity. We study the interaction of the in-layer FeSe electrons with the elect…
White-light-emitting Ca 4– x F 2 Si 2 O 7: x Ce 3+ phosphor and violet-light-emitting oxyfluoride Ca 4 F 2 Si 2 O 7 host were synthesized by solid-state reaction. Ca 4– x F 2 Si 2 O 7: x Ce 3+ has strong absorption in the near-UV region (370 nm) and shows a broad emission in the range of 390–600 nm centered at 475 nm.…
Abstract Four active components, oregano essential oil ( OR ) and its respective main compound carvacrol ( CA ) and clove essential oil ( CLO ) and its respective main compound eugenol ( EU ), were used separately to obtain, using compression moulding, poly[(3‐hydroxybutyrate)‐ co ‐(3‐hydroxyvalerate)] ( PHBV ) bilaye…
Deoxygenation and decomposition of ethers and esters, including anisole, diisopropyl ether (DPE), and ethyl propanoate (EP), was investigated using bifunctional metal–acid catalysis at a gas–solid interface in the presence and absence of hydrogen. The bifunctional catalysts studied comprised Pt, Ru, Ni, and Cu as the…
Novel columnar liquid crystals whose molecular structures consist of a C3 star-shaped 1,3,5-triazine unit as a central core, and three pendant 2-phenyl-5-(di-, and/or tri-n-alkoxyphenyl)-1,3,4-thiadiazole arms, containing ether connecting groups, variable number and positions of linear alkoxy chains were synthesised a…
SrAl2O4 doped with europium and dysprosium is a powerful and widely used afterglow material. Within this material strontium is found in two crystallographic different sites. Due to the similar ion radii and same charge, Eu2+-ions can occupy both sites, resulting in two different Eu2+-ions, one emitting in the blue and…
ABSTRACT Copper/poly(vinyl alcohol) (Cu/PVA) nanocomposites were synthesized using gamma radiation‐induced method and characterized by various analytical techniques. UV–vis absorption spectra showed that the surface plasmon resonance bands of the Cu nanoparticles around 580 nm were redshifted with increasing both irra…
We report a simple approach to fabricating highly stable, perpendicularly oriented lamellae through the self-assembly of high-molecular-weight polystyrene- b -poly(methyl methacrylate) (PS- b -PMMA). Using a solvent vapor annealing (SVA) process controlled by modulating the temperature gap between the chamber and bott…
While metamaterials are often desirable for near-field functions, such as perfect lensing, or cloaking, they are often quantified by their response to plane waves from the far field. Here, we present a theoretical analysis of the local density of states near lattices of discrete magnetic scatterers, i.e., the response…
Ever more emerging combined treatments exploiting synergistic effects of drug combinations demand smart, responsive codelivery carriers to reveal their full potential. In this study, a multifunctional stimuli-responsive amphiphilic peptide was designed and synthesized to self-assemble into nanoparticles capable of co-…
Phosphor-in-glass (PiG) when used in combination with a blue light emitting diode (LED) chip in a remote phosphor configuration offers precise tuning and yields higher luminous efficiencies at elevated temperatures, compared to the conventional conformal LED packaging. However, drawbacks such as spectral overlapping o…
Large defects are the main factor leading to the degradation of material properties under irradiation environments. It is commonly assumed that the large defects are mainly formed through cluster growth under continuous irradiations. Besides this mechanism, recent experiments and simulations show that sometimes an ind…
We investigate the generalized stacking fault energy (-surface) of paramagnetic -Fe as a function of temperature. At static condition, the face-centred cubic (fcc) lattice is thermodynamically unstable with respect to the hexagonal close-packed lattice, resulting in a negative intrinsic stacking fault energy (ISF). Ho…
Inorganic particles/polyaniline (PANI) composite materials showed negative permittivity in recent years so that different conductive polymers filled with a wide variety of inorganic particles have been investigated for higher negative permittivity. However, the generation mechanism on negative dielectric properties of…
Photoluminescent nitrogen-doped carbon nanodots (N-doped CNDs) soluble in organic media are synthesized in a one-step synthesis from a single-source precursor (an amphiphilic polymer), which exhibits a very high quantum yield (QY = 78%), excitation wavelength-dependent emission, and upconversion emission properties. T…
We investigate the emergence of subdiffusive transport by obstruction in continuum models for molecular crowding. While the underlying percolation transition for the accessible space displays universal behavior, the dynamic properties depend in a subtle nonuniversal way on the transport through narrow channels. At the…
Pyridoxal 5′-phosphate (PLP) is an essential cofactor for nearly 60 Escherichia coli enzymes but is a highly reactive molecule that is toxic in its free form. How PLP levels are regulated and how PLP is delivered to target enzymes are still open questions. The COG0325 protein family belongs to the fold-type III class…
We present the first theoretical investigation of a recently proposed class of photochromes, namely donor-acceptor Stenhouse adduct (DASA) switches [J. Am. Chem. Soc. 2014, 136, 8169-8172]. By using density functional theory and its time-dependent counterpart, we investigate the ground- and excited-state structures, e…