Materials Literature
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A series of novel red emission Mg3Ga2GeO8 (MGG):Mn(4+) phosphors under near-UV (NUV) excitation are synthesized successfully by traditional high-temperature solid-state reaction. The structure of Mg3Ga2GeO8 is investigated by high-resolution transmission electron microscopy, scanning electron microscopy, and powder X-…
Background: Magnetic nanoparticles (NPs) used in biomedical applications should be discrete with small particle sizes, narrow size distribution and superparamagnetic. NPs can be tailored to target, through chemical bonds, specific organs, cells, or even molecular markers of different diseases in vivo, with suitable su…
Recent strategies for the design of zeolites with unusual architectures and porosities offer many opportunities for the encapsulation of catalysts.
Abstract A novel bi‐functional Janus cotton fabric is used to separate oil from oil‐in‐water emulsions. This fabric is superhydrophobic on one surface and polyamine‐bearing on the other. When used as a filter, the polyamine‐bearing side causes the micrometer‐sized oil droplets to coalesce. The coalesced oil then fills…
A novel bi-functional Janus cotton fabric is used to separate oil from oil-in-water emulsions. This fabric is superhydrophobic on one surface and polyamine-bearing on the other. When used as a filter, the polyamine-bearing side causes the micrometer-sized oil droplets to coalesce. The coalesced oil then fills fabric p…
The direct synthesis of H <sub>2</sub> O <sub>2</sub> from H <sub>2</sub> and O <sub>2</sub> using Pd catalyst, fuel cell and plasma methods have been reviewed systematically.
The striking in-plane anisotropy remains one of the most intriguing properties for the newly rediscovered black phosphorus (BP) 2D crystals. However, because of its rather low-energy band gap, the optical anisotropy of few-layer BP has been primarily investigated in the near-infrared (NIR) regime. Moreover, the essent…
The strong metal-support interaction (SMSI) is of great importance for supported catalysts in heterogeneous catalysis. We report the first example of SMSI between Au nanoparticles (NPs) and hydroxyapatite (HAP), a nonoxide. The reversible encapsulation of Au NPs by HAP support, electron transfer, and changes in CO ads…
Colored cotton fabrics with satisfactory color fastness as well as durable antibacterial and self‐healing superhydrophobic properties are fabricated via a convenient solution‐dipping method that involves the sequential deposition of branched poly(ethylenimine) (PEI), silver nanoparticles (AgNPs), and fluorinated decyl…
Transition metal dichalcogenides in the class MX_{2} (M=Mo, W; X=S, Se) have been identified as direct-gap semiconductors in the monolayer limit. Here, we examine light emission of monolayer WSe_{2} using temperature-dependent photoluminescence and time-resolved photoluminescence spectroscopy. We present experimental…
The solidification kinetics of polyolefins (PO) under three cooling conditions were investigated using an in situ measurement of the temperature decay within the PO resins. The phase-change temperature range of high-density polyethylene (HDPE) was located between 110 and 120°C, and those of low-density polyethylene (L…
The high temperature thermal deterioration, under oxidative pyrolysis conditions, of poly-α-olefins aviation lubricant material, was investigated. Detailed characterisation of products were performed with Fourier transform infrared, GC/MS and viscosity experiments. The results showed that poly-α-olefins had the lower…
Kinetic Monte Carlo simulations (kMC) are useful tools for the investigation of the dynamics of surface properties. Within this method we investigate the oxygen vacancy concentration of Ce O 2 ( 1 1 1 ) at ultra high vacuum conditions (UHV). In order to achieve first principles calculations the input for the simulatio…
Ferritic stainless steel (FSS) containg (11%~13%)Cr with low C and N has excellent comprehen- sive performances and thus can be widely applied in extensive fields such as automobile exhaust systems, contain- ers, buses and so on. Among them, 409L steel containing 11%Cr has been increasingly used in applications for ta…
In this paper, milled corncob powder was treated with sodium chlorite to remove lignin, and the resulting holocellulose was optionally modified with cationic agent. The derivative product was investigated using elemental analysis, Fourier transform infrared (FTIR) spectroscopy, and scanning electron microscopy (SEM).…
Abstract Novel cubic perovskites SrFe 1− x Ni x O 3 (0≤ x ≤0.5) with unusual high‐valence iron(IV) and nickel(IV) ions were obtained by high‐pressure and high‐temperature synthesis. Substantial magnetic moments of Ni IV , which is intrinsically nonmagnetic with a nominal d 6 electron configuration, were induced by the…
Abstract The first examples of organic–inorganic hybrid materials reinforced by transition‐metal oxoclusters that exhibit shape memory properties, based on the covalent incorporation of zirconium‐based inorganic building blocks, are reported. Methacrylate‐functionalized zirconium oxoclusters Zr 4 O 2 (OMc) 12 and [Zr…
This work illustrates how enthalpy and entropy changes responsible for successive phase transitions of cyanobiphenyl-based liquid crystals can be combined to give cohesive free energy densities. These new parameters are able to rationalize and quantify the demixing of the melting and clearing processes that occur in t…
Tucumán se destaca por sus riquezas en recursos naturales e hídricos. Los estudios ficológicos se basaron principalmente en el fitoplancton, siendo escaso el análisis de la ficoflora epilítica. Los objetivos fueron analizar la taxocenosis epilítica y variables fisicoquímicas del arroyo durante un ciclo anual y contrib…
We design, fabricate, and characterize a frequency-selective surface (FSS) with directional thermal emission and absorption for long-wave infrared wavelengths. The FSS consists of an array of patch antennas connected by microstrips, the ensemble of which supports leaky-wave-type modes with forward and backward propaga…