Materials Literature
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Strengthening the functional (COO−) group and nanotech reinforcement for binding of cationic metal species has been applied to cellulosic fibers. Modified Nano cellulosic fibers (NCFs) have been used for the remediation of cationic toxic metals from water bodies. Different polymerized NCFs exhibited enhancement in sor…
Perfect polyhedral 50-facet Cu2O microcrystals enclosed by high ratio exposed high-index {211}, {522} or {311} facets were successfully synthesized by a facile wet-chemical route under mild temperature and normal pressure. The morphological evolution of 50-facet Cu2O polyhedra was studied carefully and in detail by ad…
The nano-sized triterpenoid 18β-glycyrrhetinic acid extractable from Glycyrrhiza glabra self assembled in different liquids affording mostly nano to microsized spherical and flower like objects consisting of fibrillar networks yielding thermoreversible gels. The self-assemblies have been utilized for the templated gro…
The aggregation of 12 nm citrate-stabilized gold nanoparticles (cit-AuNPs) in the presence of four different natural organic matter (NOM) isolates and a monovalent electrolyte (KCl) was evaluated using time-resolved dynamic light scattering. All four NOM isolates stabilized the cit-AuNPs with respect to aggregation. H…
Infrared was used to monitor the progression of barite (BaSO4) and gypsum (CaSO4·2H2O) crystallization. It was found that barite crystallized with broad infrared peaks that narrowed over time. This was accentuated when an inhibitor was added. The infrared of gypsum in the early stages showed a phase that was clearly d…
The behavior of amorphous cellulose model thin films upon heat treatment is investigated. Upon heat treatment, a structural rearrangement in the films from a featureless to a fibrillar structure is observed which correlates with the regeneration time and total cellulose content as proven by atomic force microscopy and…
Graphite oxide (GO) nanoplatelets with a thickness from 0.8 nm to 2 nm were prepared using a modified Hummers method. By employing GO nanoplatelets as nanofillers, poly(acrylic acid)–GO superabsorbent nanocomposites were synthesized by a facile solution polymerization of acrylic acid monomers using N,N′-methylenebisac…
A variety of α-MoO3 nanostructures, including 1D nanobelts, 2D nanolayers and 3D nanoparticles, were prepared via three methods: sintering AMT, sintering aggregates of AMT with PEGs, and oxidating MoO2. Our results suggested that the surface structures of the α-MoO3 crystals obtained can be controlled by preparation c…
Large amounts of regular tetrapods and hexapods made of a central silica core and four or six polystyrene satellite nodules were prepared with yields over 80% from 55 nm and 85 nm silica seeds, respectively. The robustness of the process is supported by extensive statistical analyses and large-field transmission elect…
1D nanostructures from II-VI semiconductors have been demonstrated to exhibit outstanding optical properties with strong promise for novel optoelectronic devices with augmented performance and functionalities. Herein, we present a comprehensive review discussing important topics pertinent to the fundamental properties…
We are aiming at the development of epoxy composite materials with both high thermal conductivity and sufficient voltage endurance. A target is set as 10 W/m/K with 5 kV withstand voltage for power electronics applications. In order to achieve high thermal conductivity for polymers such as epoxy, it is a common method…
The effect of the concentration of polyvinylbutyral solution on the process throughput and fibre properties was studied in needle and roller electrospinning. Whereas the polymer throughput is an optional independent parameter in needle electrospinning, it is a dependent parameter that is affected by both the material…
A series of benzothiadiazole-pyridine branched triphenylamine derivatives TPA1BP, TPA2BP and TPA3BP have been designed and synthesized to sense aniline vapor with distinguished sensitivity, selectivity and repeatability via photoinduced electron transfer (PET). Suitable energy levels ensure the high selectivity to ani…
This review describes the state-of the-art of nano-, micro- and macrogels, membranes, micro- and nanocapsules, as well as multilayered thin films exhibiting amphoteric character. The synthetic strategies and physicochemical properties of amphoteric materials are outlined in light of the stimuli-responsive behavior and…
The synthesis of visible light-harvesting C60-bodipy dyads (bodipy = boron-dipyrromethene), and the study of the photophysical properties and the application of dyads as heavy-atom free organic triplet photosensitizers for triplet–triplet annihilation (TTA) based upconversion, are reported. By attaching carbazole unit…
In this study, we analyzed cross-linked phenolic resins by using atomistic molecular dynamics simulations. Cross-linked structures consisting of a network of three functional phenols and two functional methylenes with degrees of cross-linking of 0.70, 0.82, and 0.92 were prepared by cross-linking reactions of linear n…
This work explores the size-induced lattice modification and its relevance to photoluminescence properties of tetragonal zircon-type GdVO(4):Eu(3+) nanostructures. GdVO(4):Eu(3+) nanoparticles with crystallite sizes ranging from 14.4 to 24.7 nm were synthesized by a hydrothermal method using sodium citrate as a cappin…
The large absorption coefficient of iron pyrite (FeS(2)) nanocrystals coupled with their low-cost and vast-abundance shows great promise as a potential photovoltaic absorber. Here, we demonstrate that bulk heterojunction (BHJ) nanostructures consisting of 80 nm FeS(2) nanocubes (NCs) and 4 nm CdS quantum dot (QD) matr…
Boron nitride nanotubes (BNNTs) have attracted huge attention in many different research fields thanks to their outstanding chemical and physical properties. During recent years, our group has pioneered the use of BNNTs for biomedical applications, first of all assessing their in vitro cytocompatibility on many differ…
Templated, macroporous Mg–Al hydrotalcites synthesised via alkali-free co-precipitation exhibit superior performance in the transesterification of C4–C18triglycerides for biodiesel production, with rate-enhancement increasing with alkyl chain length. Promotion reflects improved diffusion of bulky triglycerides and acc…