Materials Literature
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We report on a novel design of a piezoelectric nanogenerator that is monolithically integrated onto an elastic spring by growing ZnO nanowire arrays on the surface of the spring. Under a cyclic compressive force applied to the spring, the nanogenerator produced a stable AC output voltage and current, which are linearl…
New isoindigo and di(thienyl)ethylene-containing π-extended conjugated polymers with different branched side-chains and molecular weights (MWs) have been synthesized. Octyldodecyl (OD) and decyltetradecyl (DT) groups were employed as side chain moieties tethered to isoindigo units. In addition, the MW of the polymer w…
A composite hydrogel was fabricated by introducing hyaluronic acid (HA) into gelatin (Gel) using 1-ethyl-(3-3-dimethylaminopropyl) carbodiimide (EDC) as a cross-linker. The effects of cross-linking, including cross-linker content and cross-linking time, on the morphology, swelling ratio, compressive strength and cytot…
Zinc-air batteries were fabricated using porous zinc anodes with various concentrations of Super P carbon black additive. The introduction of Super P significantly improved the electrochemical performance of the batteries. The specific discharge capacity and power density of the Zn anode with 2 wt% Super P anode was 7…
Synthesis of functional yolk–shell nanostructures (YSNs) containing SiO2 nanoparticle yolk and a mesoporous shell of NiTiO3 is reported. SiO2@TiO2 core–shell spheres were first prepared via a sol–gel approach, and then a Ni(OH)2 nanowhisker was deposited on the surface of a TiO2 layer and SiO2 nanoparticle-core etchin…
Different techniques are being attempted over the years to use low pollution emitting fuels in diesel engines to reduce tail pipe emissions with improved engine efficiency. Especially, Biodiesel fuel, derived from different vegetable oils, animal fat and waste cooking oil has received a great attention in the recent p…
A new rhodol dye with an ESIPT unit has been successfully developed, which can serve as a convenient and universal platform for developing ratiometric sensing systems based on the unique spirocyclic ring-opening process. As a model platform, rhodol hydrazide (4) was prepared and it showed ratiometric response toward C…
Recent years have witnessed a rapid accumulation of investigations on TiO2‐based photocatalysis, which poses as a greatly promising advanced oxidation technology for water purification. As the ability of this advanced oxidation process is well demonstrated in lab and pilot scales to decompose numerous recalcitrant org…
We report a combined Non-Equilibrium Green's Function - Density Functional Theory study of molecular junctions made of photochromic diarylethenes between gold electrodes. The impact of derivatization of the molecule on the transmission spectrum is assessed by introducing: (i) substituents on the diarylethene core; and…
The practical use of high-capacity anodes in lithium-ion batteries generally suffers from significant volume changes upon lithium insertion and extraction. The volume changes induce cracks and loss of inter-particle electronic contact in the electrode, resulting in rapid capacity decay. The use of fiber-like materials…
The paper provides a brief review of multilevel models (mostly, two-level models) that allow the description of deformation of single- and polycrystals and attendant microstructure evolution. Particular attention is given to models of texture formation. The paper covers models that are based on a statistical determina…
Integrated and insulated boronate-based fluorescent probes have been evaluated for the detection of hydrogen peroxide in the presence of saccharides.
Hydrothermal treatment of cobalt nitrate in the presence of ZnO nanorod templates results in the generation of free-standing CoO–ZnO composite arrays on a copper substrate. The result shows that tuning the molar concentration of cobalt nitrate can controllably prepare CoO–ZnO nanotube and ZnCo2O4 hierarchical nanorod…
The Cd(II) complex of adpa (N-(9-anthracenylmethyl)-N,N-di-(picolyl)amine) in MeOH-H2O has increased fluorescence intensity with [Cl(-)], a new type of anion sensor. The structure of [Cd(adpa)(NO3)2] has a proposed fluorescence-quenching π-contact between Cd and the fluorophore, while the Cl in [Cd(adpa)Cl2] disrupts…
Titanium(IV) complexes with a salan or cyclopentadienyl ligand showed different biological behaviour concerning binding to biomolecules, cellular accumulation and intracellular distribution. Binding efficacy as well as trafficking on the cellular level are crucial parameters for their biological effects.
Phthalocyanine (H2Pc) and its open-shell copper complex (CuPc) deposited on amorphous gold films have been studied by combining the outcomes of several synchrotron based spectroscopic tools (X-ray photoelectron spectroscopy, UV photoelectron spectroscopy and near-edge X-ray absorption fine structure, NEXAFS, spectrosc…
The influence of Ni vacancies on the chemistry and electronic structure of NiO thin films was investigated using X-ray absorption spectroscopy and extended X-ray absorption fine structure analysis. Changes in the electronic structures upon partial oxidation are mainly addressed. It is strongly suggested that the hole…
Nanoparticles of Bi4TaO8Cl, a Bi-based layered oxychloride where the halide ions are in the interlayer space, have been synthesized by a solution combustion technique for the first time. The formation of homogenous particles in the 30–70 nm range is confirmed by an SEM measurement. The nanoparticles showed enhanced UV…
Two homochiral organocatalytic MOMs were prepared using tetra- and octa-carboxylate ligands, respectively. The nanoscopic channels in these MOMs are lined by organonocatalytic chiral phosphoric acid derivatives of binol and ocMOM-1 exhibited improved enantioselectivity over the parent ligand in the context of transfer…
Uniaxially aligned triisopropylsilylethynyl pentacene (TIPS-pentacene) crystals over a large area were fabricated using zone-casting technique. The array of TIPS-pentacene displayed a high orientation degree with a dichroic ratio (DR) of 0.80. The crystals were arranged with c axis perpendicular to the substrate and t…