Materials Literature
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ABSTRACT Good textile sensory characteristics required by the consumers incites textile industrialists to improve the sensory properties of fabrics. Therefore, several textile finishing processes have been proposed to improve the feel of fabrics. This work investigates the effects of some finishing treatments on the t…
Vernetzt: Ein ABA-Triblock-Copolymer mit geladenen Endgruppen und ein entgegengesetzt geladener Polyelektrolyt bilden Gele, die auf Änderungen in Konzentration, Temperatur, Ionenstärke, pH-Wert und Ladungszusammensetzung reagieren. Oberhalb der kritischen Gelbildungskonzentration verbrücken die Triblock-Copolymere Mic…
Polycrystalline BiFeO 3 and Bi 1− x Tb x FeO 3 (BTFO) ( x =0.05–0.16) thin films were deposited on indium tin oxide/glass substrates via a metal organic deposition method. The influence of Tb doping content on the structure and multiferroic properties was investigated. X‐ray diffraction results reveal that there may e…
Experiments in the past have only been able to suggest that Ga--Ga bonds are not favored in the cage structure of ${\text{Ba}}_{8}{\text{Ga}}_{16}{\text{Sn}}_{30}$ and other type-I clathrates. Here we show definitive evidence that this is indeed the case. Using the extended x-ray-absorption fine structure technique, w…
We carried out a molecular-dynamics (MD) study of the self-diffusion tensor of a Lennard-Jones-type fluid, confined in a slit pore with attractive walls. We developed Bayesian equations, which modify the virtual layer sampling method proposed by Liu, Harder, and Berne (LHB) [P. Liu, E. Harder, and B. J. Berne, J. Phys…
Based on analytical derivations and numerical simulations, we show that both reflection and transmission can be canceled at the surface of a metamaterial (MM) with a metal-dielectric stratified structure. Strong anisotropic absorption and the surface direction are found to play important roles in this phenomenon. For…
The one-dimensional nano/microstructures of metal−organic complex (Ag−TCNQ) were synthesized by solution route via the reaction between Ag film and TCNQ. We have grown micrometer-sized Ag−TCNQ crystals by simply spin-coating the TCNQ solution over Ag substrate and treating at elevated temperature. The reproducible mem…
A new main-chain NLO hyperbranched polymer (P1) was first prepared through a simple synthetic route, which demonstrated much better NLO properties (d33 value up to 143.8 pm/V) than its corresponding linear analogue (P2), since the three-dimensional spatial isolation from the highly branched structure could greatly enh…
1,3,5,7-Tetramethyl-1,3,5,7-tetrahydroxycyclotetrasiloxane has been synthesized in good yield from tetrapotassium tetramethylcyclotetrasiloxanolate. Methods for isolation of all-cis-isomer I and cis-trans-cis-isomer II as the only crystalline product have been developed. Both isomers have been characterized by single-…
The adsorption/dissociation of the O 2 molecule on the surface of silicon carbide nanotubes (SiCNTs) was investigated by density functional theory. We found several adsorption configurations, including chemisorption and cycloaddition configurations, for triplet and singlet O 2 . Unlike the case for carbon nanotubes, t…
In the present paper, Tm 3+ /Yb 3+ ‐codoped lanthanum aluminum germanate glasses are prepared by simply melting and quenching method. Quantum cutting (QC) between Tm 3+ and Yb 3+ ions in these samples is realized; in the QC process, one blue photon at about 467 nm is cut into two near‐infrared photons at about 1 μm. T…
We report a new “grafting to” technique for the functionalization of silica particles with anionically produced polymers. It is based on a two-step procedure. In the first step the silica nanoparticles were modified with multifunctional chlorosilanes. This procedure allows replacing the original Si−OH surface groups b…
Al-doped ZnO (AZO) thin films were grown by atomic layer deposition (ALD) for use as transparent conductive oxides on high aspect ratio Si microrod arrays. The ALD-deposited AZO films showed high optical transmittance and electrical conductivity despite their polycrystalline structures and resulted in a superior confo…
Peapods present a model system for studying the properties of dimensionally constrained crystal structures, whose dynamical properties are very important. We have recently studied the rotational dynamics of C(60) molecules confined inside single walled carbon nanotube (SWNT) by analyzing the intermediate frequency mod…
A novel observation method is proposed to study the streamer-leader propagation processes of long air-gap positive discharges. Experiments of 3-12 m air-gap discharges have been conducted in this paper. The observed images could clearly and particularly describe the characteristics of the positive streamer-leader prop…
Poly( l -lactic acid) (PLLA) pellets were degraded in a batch reactor under hydrothermal conditions of aqueous sodium hydroxide solution, from 343 to 453 K, compared to water in the absence of NaOH. Over an entire range of conversion, components solubilized from PLLA mainly consisted of l -lactic acid (LLA) in the pre…
Abstract Wood/plastic composites (WPCs) can absorb moisture in a humid environment due to the hydrophilic nature of the wood in the composites, making products susceptible to microbial growth and loss of mechanical properties. Co‐extruding a poly(vinyl chloride) (PVC)‐rich cap layer on a WPC significantly reduces the…
A solid-stabilized multiple w/o/w or o/w/o emulsion was prepared in a two-step process. Various nanocomposite polymer microspheres with multihollow armored closed pores were fabricated easily by suspension polymerization of the multiple Pickering stabilized emulsions.
Monitoring of environmental pollutants has become increasingly important due to concern over potential health and environmental impact inflicted by these chemicals. In this contribution, we focus on the development of an all-plastic biosensor comprising laminated single-walled carbon nanotubes as the active element an…
We report here the development of a very flexible synthetic approach to generate core−shell nanoparticles below 100 nm diameter, whereby thin polymer shells are synthesized under nonaqueous conditions in a variety of organic solvents with diverse properties. This facilitates incorporation of a wide range of functional…