Materials Literature
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Results of studies on fast ignition of inertial confinement fusion (ICF) targets are reviewed. The aspects of the fast ignition concept, which consists in the separation of the processes of target ignition and compression due to the synchronized action of different energy drivers, are considered. Criteria for the comp…
We report precursor-based methods for low-temperature synthesis of two structure modifications of NaMnPO4. The maricite phase is thermodynamically more stable, while the olivine phase is of great interest as a positive-electrode material for lithium and sodium ion batteries. The advantage of synthetic procedures is th…
The energy and power requirements of portable electronic devices and electric vehicles are ever increasing, driving research into novel battery structures with increased volumetric energy and power densities. Existing energy storage technologies cannot satisfy both of these requirements. There are many reports on the…
We present a preconditioned nullspace method for the numerical solution of large sparse linear systems that arise from discretizations of continuum models for the orientational properties of liquid crystals. The approach effectively deals with pointwise unit-vector constraints, which are prevalent in such models. The…
Hierarchical hollow ZnO microspheres were prepared via a one-pot template-free hydrothermal synthesis. It's worth mentioning that the hollowness of these microspheres could be controlled by adjusting the zinc source concentration. Furthermore, these microspheres were integrated into a sensorial structure which exhibit…
A core-shell nanocomposite based on photo-degradable polymer coated hollow mesoporous silica nanoparticles (HMS) was successfully prepared for targeted drug delivery and visible-light triggered release, as well as fluorescence cell imaging. The HMS nanoparticles were first modified by the long-chain hydrocarbon octade…
Highly flexible nanocomposite hydrogels were prepared by using silica nanoparticles (SNPs) as fillers and multi-functional cross-links to graft hydrophilic poly(acrylic acid) (PAA) by free radical polymerization from an aqueous solution. The SNPs were collected by neighboring polymer chains and dispersed uniformly wit…
Aqueous solutions of highly soluble substances such as small amino acids are usually assumed to be essentially homogenous systems with some degree of short range local structuring due to specific interactions on the sub-nanometre scale (e.g. molecular clusters, hydration shells), usually not exceeding several solute m…
Photoacidity is frequently found in aromatic alcohols where the equilibrium dissociation constant increases by some orders of magnitude upon electronic excitation. In this study we investigated the solvatochromism of a family of recently synthesized super-photoacids and their methylated counterparts based on pyrene. T…
Two novel pyridyl and thioether hybridised 1,2,3-triazole ligands 1-(2-picolyl)-4-(2-(methylthio)-pyridine)-1H-1,2,3-triazole (L1) and 1-(4-picolyl)-4-(2-(methylthio)-pyridine)-1H-1,2,3-triazole (L2) were prepared from CuAAC click reactions. Reactions of CuI with the ligands L1 and L2 yielded two one-dimensional coord…
Review of LiFePO4 Phase Transition Mechanisms and New Observations from X-ray Absorption Spectroscopy, Love, Corey T., Korovina, Anna, Patridge, Christopher J., Swider-Lyons, Karen E., Twigg, Mark E., Ramaker, David E.
Here we report on the "scrolling" of planar graphene induced by water as a result of the interplay between water capillarity and graphene elasticity. This scrolling leads to the formation of stable nanochannels that encapsulate water and nanoscale objects. We demonstrate that these graphene nanochannels can be used as…
In this paper, a plasmonic Ag/AgBr heterostructure was reduced by AgBr, which was successfully synthesized by a facile hydrothermal process at a temperature as low as 90 °C. The morphological and structural observation, crystallinity and optical performance of the products grown were carried out by using scanning elec…
The unique vibrational properties inherent to the human vocal fold have a significant detrimental impact on wound healing and scar formation. Hydrogels have taken prominence as a tissue engineered strategy to restore normal vocal structure and function as cellularity is low. The frequent vibrational and shear forces a…
The application of physical plasma in medicine has great potential in wound healing. Due to the generation of reactive oxygen and nitrogen species (ROS, RNS), emission of UV radiation and the generated electric fields can be used to stimulate epithelial and immune cells. To understand the processes on a molecular leve…
The RAFT polymerization of dimethyl(methacryloyloxy)methyl phosphonate (MAPC1) using dithioester chain transfer agents is reported for the first time to our knowledge in the literature. Poly(dimethyl(methacryloyloxy)methyl phosphonate) (PMAPC1) was synthesized in DMF at 70 °C with a good control over the molecular wei…
This is a scientific review defining the technical feasibility of surface oxidized carbon nanotubes (CNTs) for sorption of divalent metal ions (Cd 2+ , Cu 2+ , Ni 2+ , Pb 2+ , Zn 2+ ) from aqueous solution. By conducting the detailed literature review it was found that the adsorption capacities of CNTs remarkably incr…
Medical implants such as orthopedic, dental, and vascular stents may require subsequent drug therapy regiments to prevent infection or decrease inflammation. Drug release derived directly from the implant surface rather than systemically can reduce unnecessary side effects. TiO2 nanotubes could be considered a more su…
Wittichenite (Cu(3)BiS(3)) nanocrystals have been synthesized utilizing a hot-injection method. They have been characterized in detail. Cu(3)BiS(3) nanocrystals possessed a band gap of 1.56 eV, and the corresponding nanocrystal-film shows a clear photoresponse in I-V measurements. Our work illustrates that Cu(3)BiS(3)…
High yield porous carbon is prepared via the chemical oxidative polymerization of pyrrole and subsequent the decomposition of polypyrrole nanowires with KOH activation. The obtained carbon materials take on a seaweed-like porous morphology. The effects of the KOH mass and activation temperature on the morphology, stru…