Materials Literature
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This paper reports a simple, one-step, template-free surface assisted growth of crystalline branched-like Au nanoparticles (three-dimensional (3-D) growth with more than 12 tips) with high yield and good size monodispersity at room temperature. The size of the Au branched nanocrystals could be tuned by controlling the…
Spent fuel reprocessing for Fast Breeder Reactor (FBR) requires a dissolver made of a material which is resistant to corrosion as the process involves nitric acid as the process medium. The focus was on the use of advanced materials with high performance in high concentrations (greater than 8 N) and high temperatures…
Ti-doped WO3 electrochromic thin films were deposited onto F-doped tin oxide (FTO) substrates using spin coating technique. The as-deposited films prepared with various concentration of titanium were annealed in air at 500oC. The effect of Ti-doping concentration on structural, surface morphology and optical propertie…
Directional mobility and controlled adhesion of water drops were obtained on superhydrophobic paper surfaces by generating high surface energy ink patterns using commercial desktop printing. By changing the curvature/shapes of the ink patterns, geometrical constraints were imposed on the movement of the three-phase li…
In this paper, we present a boundary integral method for computing the quasi-steady evolution of an epitaxial island. The problem consists of an adatom diffusion equation (with desorption) on terrace and a kinetic boundary condition at the step (island boundary). The normal velocity for step motion is determined by a…
The objective of this investigation was to study the effect of drying temperature and beeswax (BW) content on moisture sorption behavior of whey proteins emulsion films. For this purpose, films were obtained by the casting method and dried at two selected temperatures (5 and 25 °C) and constant relative humidity (RH)…
A highly sensitive and selective fluorescence ratiometric sensor membrane for 2,3,3'-trichlorobiphenyl has been achieved, via depositing polypyrrole nanotubes (PPyNTs, the fluorescence indicator) in nano-porous anodic aluminium oxide (NPAAO) template and subsequently immobilizing fluorescein isothiocyanate (as an inte…
We report a facile production of an up-converted surface-emitting DFB laser, performed by exploiting the versatility of sol-gel chemistry, the intriguing properties of well designed graded CdSe-CdS-Cd(0.5)Zn(0.5)S-ZnS colloidal quantum dots, and the scalability of nanoimprinting. Our laser prototype operates in the vi…
Silver/carbon-quantum-dot plasmonic luminescent nanoparticles with a silica interlayer were synthesized through layer-by-layer assembly. The plasmonic and luminescent properties can be tuned by controlling the thickness of the silica layer.
GdVO4 micro-rods were synthesized using a high-energy ball (HEB) milling method without other chemicals or solvents. The powder samples were sintered in the air at 350, 400, 450, 500, 550 and 600 °C for 5 h to form polycrystalline GdVO4 micro-rods. The effects of the processing parameters on the crystallinity, morphol…
We introduce new typical solid–liquid reversible and highly fluorescent semiconductor quantum dots (QDs) via a facile self-assembly strategy. By adjusting the reaction temperature, multi-emission CdTe QD nanofluids with benign liquidity were successfully accomplished.
The thin film mechanical properties of a series of glassy triarylamines [4,4′-N,N′-dicarbazole-biphenyl (CBP), N,N′-diphenyl-N,N′-bis(3-methylphenyl)-1,1′-biphenyl-4,4′-diamine (TPD) and N,N′-di-(1-naphthyl)-N,N′-diphenyl-1,1′-biphenyl-4-4′-diamine (NPD)], which are commonly used in organic light emitting devices (OLE…
The magnetic properties of the antiferromagnetic basic iron(III) carboxylate [Fe(3)O(O(2)CPh)(6)(H(2)O)(3)]ClO(4)·py are studied by magnetic susceptometry and electron paramagnetic resonance spectrocopy. Ac susceptometry under moderate external magnetic fields reveals magnetic relaxation at liquid helium temperatures.
Ba ( Ce 0 . 8 Y 0 . 2 ) O 3 - δ anode-supported proton conductive solid oxide fuel cells (H-SOFC) were fabricated and tested under different H 2 and O 2 partial pressures and temperatures. An electrochemical model developed from Boltzmann statistics was derived to study the V ( i ) of the H-SOFC and proton conductive…
The discovery of new diverse and novel applications for engineered nanomaterials (ENMs) creates possibilities of inadvertent release in the environment. The interactions of ENMs with living systems and possible impact/adverse effects cannot be predicted due to novel size and physiochemical properties. The biological v…
Abstract The applicability of solubility parameters and solvent activity in the screening of binary solvent mixtures was studied. The solubility of indomethacin was measured in binary mixtures of dichloromethane, acetone, and ethyl acetate with methanol and ethanol. Solubility extremes in the mixed solvents were obser…
Multilayers with low charge density polyelectrolytes assembled on thin films of cellulose were studied by piezoelectric microgravimetry. The substrates were produced from colloidal suspensions of cotton fibers before and after modification with cationic and anionic groups via epoxy intermediates of quaternary ammonium…
This work first demonstrates a simple template-free approach for the preparation of nanoporous rare earth oxides with well-defined mesopores, large pore size and specific surface area, and high photoluminescence quantum yield.
The germanium on silicon (Ge-on-Si) semiconductor nanostructures with a vacuum-deposited silver coating are tested as substrates for detecting microamounts of inorganic crystalline ultramarine pigment by enhanced Raman scattering (SERS). At least tenfold enhancement of Raman lines is obtained. The quantum-chemical cal…
We report a remarkable enhancement in the extent of protein (lysozyme) crystallization at a wide class of oil/water interfaces. Additionally, for the case of a 1,2-dichloroethane/aqueous interface, we present initial data which show how the extent of crystallization can be further controlled via the application of a p…