Materials Literature
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Uniform hollow octahedra of Cu2O were successfully synthesized by the facile room-temperature chemical reaction of copper acetate and N2H4 without using any surfactant. The growth mechanism of the hollow octahedra and the solution environment in the chemical reaction were investigated. The chemical reactions from Cu2+…
A new multi-responsive tetraphenylethene functionalized oxazoline molecular switch (TPE-OX) was synthesized, which not only preserves isomerization and AIE properties, but also demonstrates synergistic effects, showing tunable multi-emission both in solution and in solid states.
A hybrid capped mesoporous material, which was selectively opened in the presence of Tetryl and TNT, has been synthesised and used for the fluorogenic recognition of these nitroaromatic explosives.
In this work, a new cost-effective, rapid and simple method for the preparation of stable silver nanoparticles (AgNPs) was developed, which can be completed within 15 minutes at room temperature by oxidizing the reductants in pear juice with AgNO3. Compared with the most used citrate-capped AgNPs, the as-prepared AgNP…
Localized surface plasmon (LSP) enhanced ultraviolet (UV) light-emitting diodes (LEDs) were fabricated by embedding a ZnO nanorod array/p-GaN film heterostructure into a Ag-nanoparticles/PMMA composite. By optimizing the concentration of Ag nanoparticles in PMMA, two distinct changes in electroluminescence (EL) spectr…
Prerequisites for the design of efficient organic solar light converting systems are intense absorptions across the visible region, the ability to funnel excited state energy by intramolecular energy transfer, and the option to partake in photoinduced electron transfer processes. We have established a versatile synthe…
Nanocrystalline VN was synthesized from the melamine reduction of V2O5 xerogel under a N2 atmosphere for supercapacitors. The structure, particle size and surface elemental composition are characterized by X-ray diffraction spectroscopy (XRD), nitrogen adsorption/desorption at 77 K, transmission electron microscopy (T…
We describe an optical scattering study of grain boundary premelting in water ice. Ubiquitous long ranged attractive polarization forces act to suppress grain boundary melting whereas repulsive forces originating in screened Coulomb interactions and classical colligative effects enhance it. The liquid enhancing effect…
We present an approximation scheme to the master kinetic equations for aggregation and gelation with thermal breakup in colloidal systems with variable attraction energy. With the cluster fractal dimension df as the only phenomenological parameter, rich physical behavior is predicted. The viscosity, the gelation time,…
Single layer graphene transistors demonstrate low I ON /I OFF ratio at room temperature. While they show promising results when applied for high-speed analog circuits in the gigahertz range, their implementation for logic devices is not favorable. Opening the band gap by means of quantum confinement improves the I ON…
X-ray photoelectron spectroscopy a technique was used in order to characterize, ionic state of Fe and chemical composition of Fe doped TiO 2 .XPS detected Iron in form of Fe 2+ and Fe 3+ .Surface atomic concentrations were measured.Light exposed and reference samples were compared.Light irradiation affected charge tra…
There has been long-standing interest in hybrid electrodes containing an electronically conductive polymer and an inorganic cathode material for electrochemical energy storage. Conductive polymers such as polyaniline serve to enhance the conductivity of the electrode, and are electrochemically active themselves. Here,…
The uni-axially aligned ZnO nanofibers with diameters of ∼200 nm were prepared by electrospinning followed by calcination at 600 °C. The effects of humidity and UV illumination on the electrical properties of electrospun ZnO nanofibers were investigated in air under different levels of relative humidity (RH). In the a…
The self-assembly in aqueous solution of the alanine-rich peptide A12R2 containing twelve alanine residues and two arginine residues has been investigated. This oligomeric peptide was synthesized via NCA-polymerization methods. The surfactant-like peptide is found via FTIR to form antiparallel dimers which aggregate i…
We report an efficient and environmentally-friendly method of synthesizing polyurethanes in aqueous solution via an isocyanate- and catalyst-free polymerization process. Five different polyurethanes were synthesized by first activating 1,6-hexanediol and poly(ethylene glycol) with bis(pentafluorophenyl)carbonate, and…
Particle size and particle–framework interactions have profound effects on the kinetics, reaction pathways, and even thermodynamics of complex hydrides incorporated in frameworks possessing nanoscale features. Tuning these properties may hold the key to the utilization of complex hydrides in practical applications for…
In this study, we develop a reproducible and controllable microwave-assisted cation exchange approach, for the first time, to quickly synthesize high-quality, near-infrared emitting PbS/CdS core/shell quantum dots (QDs). These monodisperse QDs, emitting in the range of 1300-1600 nm, show a quantum yield as high as 57%…
A new monomer, 2-(methacryloyloxy)ethyl choline phosphate, and its direct polymerization into a polyvalent choline phosphate are described, providing a universal biomembrane adhesive exhibiting rapid, strong attachment to any mammalian cell membrane and fast internalization, properties of great value in applications s…
We demonstrate a facile one-pot approach for the synthesis of reduced graphene oxide (rGO)-cuprous sulfide quantum dot (Cu₂S QD) hybrids, wherein the reduction of GO and the growth of Cu₂S QDs on graphene occur simultaneously. The as-synthesized rGO-Cu₂S QD hybrids exhibit an excellent photoelectric response and effic…
The development of smart corrosion protection systems for aluminum and aluminum alloys is a subject of prime importance. Self-healing materials with longer lifetime and lower production costs have received extensive attention. Herein we report an intrinsic self-healing coating of in situ-grown inorganic zinc, aluminum…