Materials Literature
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Submicron single crystals of ZnO were grown by spray pyrolysis: the mist of an aqueous solution was generated by ultrasonic agitation and then pyrolyzed on a heated glass substrate. Hexagonal platelets of ZnO 10–90 nm thick were obtained when ammonium acetate was incorporated into the precursor solution of zinc acetat…
luminescence is studied for the first time in . Intense and broad blue emission is observed with maximum at when excited with . Studies on show that the emission intensity is maximum for and a decrease in emission intensity is observed for higher values. The concentration of and are varied in , , and , systems, respec…
Reactivity of Titanium in Physiological Medium: I. Electrochemical Characterization of the Metal/Protein Interface, Ouerd, Aziz, Alemany-Dumont, Catherine, Berthomé, Grégory, Normand, Bernard, Szunerits, Sabine
Organic conductors are studied from the viewpoint of the high conductivity in organic metals and superconductors, as well as from the application oriented viewpoint of organic electronics. This review provides a brief survey of organic charge-transfer salts, with particular emphasis on their electronic structure and e…
Thermal adhesives that contain large concentrations of high thermal conductivity filler materials, such as ceramics or metals, are widely used by the electronics industries in a variety of applications. The thermal properties of these materials, such as the thermal contact resistance across a bonded joint and the ther…
Ashammakhi, Nureddin MD, PhD, FRCSEd; Ndreu, Albana MSc; Yang, Ying PhD; Ylikauppila, Hanna MSc; Nikkola, Lila MSc; Hasirci, V. PhD Author Information
Due to the high economic, environmental, and safety costs associated with pure oxygen, mixed-conducting oxygen-permeable ceramic membranes are being explored as an alternative oxygen source for hydrocarbon conversion reactors. This work reports a dramatic improvement in catalyst performance when an oxygen-permeable Sr…
particles were successfully fabricated by flame-assisted spray pyrolysis (FASP) combined with low-temperature annealing. The direct synthesis by FASP produced in the hexagonal phase. However, the phase changed completely to the garnet phase after being heat-treated at a temperature as low as for . The heat-treated par…
Rice husk, one of the main agricultural disposals in Japan, China, India, and South-east Asian countries, is employed as useful renewable resources to produce energy and high-purity silica (SiO2), because it consists of 70% organics and about 20% SiO2. The latter, SiO2 is obtained by burning rice husks in air. The pur…
Cholera toxin levels are optically detected by affinity capture within hybrid lipid bilayer membranes formed in the nanostructures of porous silicon photonic crystals.
Multiscale computational modeling of drug delivery systems (DDS) is poised to provide predictive capabilities for the rational design of targeted drug delivery systems, including multi-functional nanoparticles. Realistic, mechanistic models can provide a framework for understanding the fundamental physico-chemical int…
Lanthanum silicate oxyapatites, ion-conducting materials presenting a strong aversion against densification, have been obtained in the form of dense transparent ceramics, by combining the beneficial use of freeze-drying and spark plasma sintering methods.
The complex dications in the cooperative spin-crossover compound [FeL(2)][BF(4)](2) (2,6-di(pyrazol-1-yl)pyridine) pack through pi-pi interactions into a 2-D layered structure (a "terpyridine embrace" motif). The effects of doping the larger ClO(4)(-) ion into this lattice have been investigated. The bulk solids [FeL(…
An experimental investigation was carried out to analyse the simultaneous reduction of oxides of nitrogen (NO x ) and smoke emissions. The tests were performed on a single-cylinder direct-injection diesel engine. The engine was made to run on both pure diesel and diethyl ether (DEE)-diesel blends. The DEE-diesel blend…
Two novel Eu3+ complexes Eu(CDBM)3·2H2O and Eu(CCDBM)3·2H2O have been synthesized (CDBM = 1-(4-(9-carbazol)phenyl)-3-phenyl-1,3-propanedione, CCDBM = 1-((4-(9-carbazol)methyl)phenyl)-3-phenyl-1,3-propanedione). Eu(CDBM)3·2H2O showed strong internal ligand charge transfer (ILCT) fluorescence and sensitized emission of…
H2O2 was synthesized directly from O2 and H2 over precious metal loaded titanium silicalite (TS-1) in compressed CO2 and yields were measured by immediately reacting the in situ generated H2O2 with an “indicator”—pyridine. Experimental results proved that H2O2 could be effectively synthesized from O2 and H2 in compres…
A novel hyperbranched polymer gelator has been synthesized, which can self-assemble into the thermoreversible physical gel in DMF, DMAC, pyridine, DMSO or NMP with the driving force of hydrogen bonds among amide and amine groups of the highly branched macromolecules.
A rapid and facile synthesis of cubic MCM-48 mesoporous material based on the modification of Stöber synthesis in as little time as 30 minutes at room temperature is reported in this communication.
Factors limiting the strain rate of superplastic deformation in ceramic materials are discussed on the basis of existing models and experimental results concerning high-temperature plastic deformation, intergranular cavitation and dynamic grain growth. From the discussion, it is indicated that simultaneously fulfillin…
2-amino-1, 3, 4-thiadiazoles (AT), 2-amino-5-methyl-1, 3, 4-thiadiazoles (AMT), 2amino-5-ethyl -1, 3, 4-thiadiazoles (AET) and 2-amino-5-propyl -1, 3, 4-thiadiazoles (APT) were synthesized. FT-IR and NMR studies were done in order to confirm the composition of the synthesized inhibitors. These compounds were evaluated…