Materials Literature
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A facile strategy for crystal engineering of Cu2O polyhedrons with high-index facets has been developed in the system of CuSO4/NaOH/ascorbic acid. In addition, novel micron-sized Cu2O 74-facet polyhedrons with high-index {744} and {211} facets were firstly achieved in the process of systematic shape evolution.
The impacts of doped B and N atoms on graphyne have been investigated systematically. It is concluded that B substituted graphyne could be a good substrate for surface enhanced Raman scattering (SERS) with pyridine as the probe molecule and it is also beneficial to oxygen reduction reaction (ORR) in fuel cells. The do…
The interplay of intentionally doped H impurity with native defects as well as its influence on the microstructure and optical properties of ZnO whiskers was systematically studied by varying the H+ implantation fluencies from 1 × 1014 to 1 × 1016 ions cm−2. Higher dose of H+ implantation resulted in the serious deter…
Germanium- and tellurium-based glasses have been largely studied due to their recognized potential for photonics. In this paper, we review our recent studies that include the investigation of the Stokes and anti-Stokes photoluminescence (PL) in different glass systems containing metallic and semiconductor nanoparticle…
A new triple-decker dinuclear sandwich-type dysprosium complex based on both the phthalocyanine ligand and the tetradentate Schiff base ligand was synthesized, which is of interest for synthetic chemistry and also shows single-molecule magnetic behaviour.
The ability to achieve an understanding of the correlations between chemical synthesis, doping mechanism and properties of aluminium-doped zinc oxide (ZnO:Al) nanocrystals is of great importance to evaluate the potential of ZnO:Al nanocrystals as optimal building blocks for solution deposited transparent conductive ox…
A simple strategy for preparation of reduced graphene oxide (RGO)/TiO2 hybrid thin films was developed by UV-assisted incorporation of TiO2 nanoparticles (NPs) onto RGO films. The UV-assisted incorporation of TiO2 NPs onto RGO films makes the hybrid films stable against prolonged exposure to UV light without the decre…
Percolation in suspensions driven only by short-ranged attractions has been studied for a long-time due to its imminent relation with equilibrium and non-equilibrium processes, such as gelation and glass transition. Recently, the effects of an additional long-range repulsion have received attention as the competition…
Phase field simulations were conducted to investigate the effect of misfit strain on the vortex domain structure (VDS) in a BaTiO3 nanodot. Taking into account the effect of inhomogeneous eletromechanical fields, ambient temperature and surface effects, our calculations demonstrate a strong effect of misfit strain on…
We have recently shown that by adding 10 to 30 wt% core/shell toughener with a low density polyethylene (LDPE) core and a polybutadiene-g-maleic anhydride (PB-g-MAH) rubber shell to polyamide 6 (PA6), the impact strength of PA6 matrix can be significantly increased by 600–1000%. However, this is at the expense of quit…
A novel-type 3D polyoxomolybdate-organic framework, {[Cu3(H3tpb)2(tpb)(Mo4O12)]·4H2O}n (1, H3tpb = 1,3,5-tri(1H-pyrazol-3-yl)benzene), was prepared and characterized by elemental analysis, IR spectroscopy, and luminescence analysis. Single-crystal X-ray diffraction analysis reveals that novel neutral triple helix {Mo4…
Multifunctional dendritic molecular brushes (DMBs) with pendent poly(glycidyl methacrylate) (PGMA) chains were synthesized via a sequential reversible addition–fragmentation chain transfer (RAFT) polymerization approach. By controlling the kinetics of the polymerization, DMBs with a high number-averaged molecular weig…
Spiro-fluorene-xanthene-bis(diphenylphosphine) dioxide turned out to be a particularly effective co-sensitizer for Eu(hfa)3, Eu(tta)3 and Eu(nta)3 photoluminescent complexes. These ternary complexes proved to be particularly good materials for pure red color OLED devices. Two complexes, Eu(tta)3 and Eu(nta)3, were sel…
A simple method for the preparation of size‐controlled spherical silver nanoparticles (Ag NPs) was reported for their generation by autoclaving a mixture of silver‐containing glass powder and glucose. The particle size is regulated by the glucose concentration, with concentrations of 0.25, 1.0, and 4.0 wt% glucose pro…
We describe the development of a fluorescent biosensor platform for soluble cholesterol based on bovine serum albumin-stabilized gold nanocluster probes co-dissolved with cholesterol oxidase (ChOx) in a surfactant emulsion system. Selective enzymatic oxidation of cholesterol to cholest-4-en-3-one by ChOx produces stoi…
Hydrogen peroxide direct synthesis was studied in continuous mode over a 5% wt Pd/C commercial catalyst in a Trickle Bed Reactor. The target of the study was to maximize the hydrogen peroxide production. The catalyst was uniformly diluted in quartz sand at different concentrations to investigate their effects on the d…
Utilization of 4-dibenzocyclooctynol (DIBO) as an initiator for the ring-opening polymerization of ε-caprolactone yields well-defined, high molecular weight poly(ε-caprolactone) end functionalized with DIBO (DIBO–PCL). Nanofibers bearing reactive DIBO groups were generated via electrospinning and functionalized post-f…
Magnetite (Fe3O4) is an abundant, low cost, environmentally benign material with potential application in batteries. Recently, low temperature coprecipitation methods have enabled preparation of a series of nanocrystalline magnetite samples with a range of crystallite sizes. Electrochemical cells based on Li/Fe3O4 sho…
In this paper we report on a new approach to synthesize core/shell cobalt iron oxide/barium titanate composite nanoparticles combining the co-precipitation and organosol crystallization techniques. The weight fraction of CoFe2O4 and BaTiO3 was 20% and 80% respectively. The obtained core/shell powder was used to sinter…
AC conductivity, dielectric constant, loss and electric modulus of Sodium nitrate system have been studied in the frequency range from 1Hz to 10MHz and in the temperature range from 303 K to 563 K by employing impedance spectroscopy. The frequency dependent ac conductivity follows Jonscher’s universal power law. Dimen…