Materials Literature
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Cyclic voltammetry (CV) is one of the standard and useful methods for characterization of energy levels of organic compounds. In this article we present the CV investigation of newly synthesized Iridium cyclometalated complexes used for the first time as phosphorescent dopants in Organic Light Emitting Diodes (OLEDs).…
Abstract- Porous clay ceramics were fabricated by using kenaf powder waste (KP as a pore-forming agent PFA). The raw clay powder was characterized using XRF, XRD and TGA. Samples were prepared with different kenaf powder wastes (up to 30wt.%) using granulated powder mixtures and followed by hydraulic pressing. After d…
Though many compostable plastics have entered the market, they often require lengthy treatment processes to degrade. Polylactic acid (PLA) has the greatest potential to replace petroleum-based plastics due to its comparable cost with generic plastics. The aims of this study were the following: 1) evaluate the effectiv…
Rice husks are the hard protecting coverings of grains of rice. Several million tons of rice husks, which can be considered as an agricultural waste, are obtained every year. Precipitated silica is commonly used reinforcing filler in rubber industry. The objective of the present work is to replace commercial silica co…
Breaking and disintegrating of biomass compacts during fluidized drying in a superheated steam (SS) dryer is a common problem observed during the initial stages of SS drying process. This can create a challenge to the drying process itself and the quality of the product dried in the SS dryer. The present work investig…
Solution (17)O-NMR application to biological macromolecules is extremely limited. We describe here (17)O-NMR observation of the (17)O(2)-oxidized cysteine side chain of human Cu,Zn-superoxide dismutase in solution using selective (17)O(2) oxidation. (17)O-NMR with the aid of (17)O-labeling has wide potential to probe…
One of the main requirements of designing perpetual pavements is to determine the endurance limit of hot-mix asphalt (HMA). The endurance limit, as applied to HMA and flexible pavement design, is the strain or stress level below which the HMA would endure indefinite fatigue load repetitions and the pavement would not…
Multiferroic (ferroelectric–ferromagnetic) ceramic composites were obtained on the basis of a ceramic powder of PZT type, i.e. Pb(Zr0.51Ti0.49)O3 + 0.2% at. Bi2O3 + 0.03% at. Nb2O5 + 0.06% at. MnO2 (marked as PZTBNM) and Pb0.84Ba0.16(Zr0.54Ti0.46)O3 + 1.0% at. Nb2O5 (marked as PBZTN). Admixtured compositions constitut…
Abstract: The influence of water and WD-40 oil content on the sensitivity to friction of three primary explosives, triacetone triperoxide (TATP), diacetone diperoxide (DADP) and hexamethylene triperoxide diamine (HMTD), has been investigated. All of these explosives belong to a group of improvised explosives. The poss…
SPECIALTY GRAND CHALLENGE article Front. Energy Res., 21 November 2013Sec. Fuel Cells, Electrolyzers and Membrane Reactors Volume 1 - 2013 | https://doi.org/10.3389/fenrg.2013.00005
A new facile solution-based method to fabricate Cu2ZnSn(S,Se)4 (CZTSSe) alloys is presented without involving toxic solvent and post-growth selenization. Influences from the source concentration in the precursor solution and the annealing conditions on the product composition and phase transition are thoroughly examin…
Solution deposition offers an attractive, low temperature option in the cost effective production of thin film solar cells. Continuous microreactor-assisted solution deposition (MASD) was used to produce nanocrystalline cadmium sulfide (CdS) films on fluorine doped tin oxide (FTO) coated glass substrates with excellen…
Two new chiral hexanuclear palladium(II) complexes [Pd6(Cys)4(CysH)4][Pd6(CysH)8]Cl4·24H2O (1) and [Pd6(HCys)10](NO3)2·11H2O (2) are prepared through careful control of the reaction conditions. Both complexes comprise two alternately arranged isomerous hexanuclear Pd(II) clusters. As supported by ESI-MS spectra and CD…
A number of nanofluids have been prepared to study the effect of lubrication properties of nanofluids on stainless steels taking Kaolin and Boron Nitride (BN) as the lubricant particles and Sodium Dodecyl Sulfate (SDS), Cetyl Trimethyl Ammonium Bromide (CTAB), Sodium Hexa Meta Phosphate (SHMP) as dispersants in the sa…
Active packaging is an innovative packaging technology by which active compounds are released from the package to enhance the quality and microbial safety for a wide range of foods. The problem of active ingredient release through the bilayer packaging food system is studied from a theoretical viewpoint. A release mod…
Tungsten trioxide (WO3) films were prepared using polystyrene spheres of two different diameters as a template in order to create porous layers. X-ray diffraction data and electron microscopy images show that annealed films exhibit polycrystalline structure with monoclinic phase and pore size of approximately hundred…
We have deposited thin films of yttrium aluminum garnet (YAG) doped with Ce3+ and Yb3+ on quartz and silicon substrates by pulsed laser deposition. Near‐infrared (NIR) quantum cutting which involves the emission of NIR photons through the downconversion from Ce3+ to Yb3+ is realized. Upon the broadband excitation of C…
Fabrication of Highly Porous Platinum by Cyclic Electrodeposition of PtCu Alloys: How do Process Parameters Affect Morphology?, Kloke, Arne, Köhler, Christian, Dryzga, Anna, Gerwig, Ramona, Schumann, Katrin, Ade, Martin, Zengerle, Roland, Kerzenmacher, Sven
Enhanced T1 MRI contrast was observed in mesoporous gadolinosilicates co-doped with aluminium. The effect of gadolinium and aluminium dopant concentration was explored using a high-throughput workflow. The T1 relaxivity increases with lower gadolinium and higher aluminium loadings.
The free-radical initiated copolymerization of 2-(4-chloro-1-naphtyloxy)-2-oxoethyl methacrylate (ClNOEMA) with 2-(diethylamino) ethyl methacrylate (DEAEMA) was carried out in 1,4-dioxane solution at 70 ± 1°C using 2,2′-azobisisobutyronitrile (AIBN) as an initiator with different monomer-to-monomer ratios (ranging fro…