Materials Literature
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Luminescent properties of Al 2 O 3 :Eu 3+ powder and polyethylene therephtalate (PET) films with this powder incorporated in them are reported. Powders were synthesized by simple evaporation method and the polymeric thin films were made by spray pyrolysis technique using recycled PET as raw material. The phosphors wer…
AIM: Our hypothesis was to prove that surface modifiers themselves can be used as stabilizers and that their entrapment efficiency is directly influenced by the type of stabilizers used. MATERIALS & METHODS: Particle size and the polydispersity index of the nanoparticles (NPs) were measured by dynamic light scattering…
Metal-free and metal(II) all-endo-tetraalkoxy-phthalocyanines of C4h symmetry are synthesised regiospecifically from 3-(2-butyloctyloxy)phthalonitrile with lithium octanolate and subsequent metal ion exchange. The voluminous, yet not overly large, and racemically disordered alkoxy substituent not only renders the cycl…
Graphane is one of the most intensively studied derivatives of graphene. Here we demonstrate the evaluation of exact degree of graphene hydrogenation using the Clemmensen reduction reaction and deuterium labeling. The Clemmensen reduction reaction is based on application of zinc in an acid environment. It effectively…
Peptides and dendrons are enticing building blocks from which to construct hybrid macromolecules because each can be prepared as monodisperse and sequence defined materials. Folding and assembly properties designed into the amino acid sequence of a peptide-dendron hybrid manifest in the formation of a dendronized bund…
A series of glycopolymers containing <sc>d</sc> -galactosyl 1,2,3-triazole groups were synthesized which exhibited thermosensitivity properties.
An <italic>operando</italic> reactor cell for honeycombs to study the effect of conformation on structure–activity relationships by surface Raman spectroscopy and gas-phase analysis.
Compatible with highly reactive functionalities workable with strongly electron-poor starting products.
Compared with nanoparticles, the rugged microspherical structure makes the magnetic La <sub>0.7</sub> Sr <sub>0.3</sub> MnO <sub>3</sub> more favorable for photocatalytic water oxidation.
Étude des diatomées du lac de Reghaia, Nord de l’Algérie. En raison de leur importante capacité de réponse aux changements environnementaux, les diatomées sont depuis longtemps utilisées comme indicateurs biologiques de la qualité des milieux aquatiques. Cette flore a été très peu étudiée en Algérie et en Afrique du N…
Based on benzobis(thiadiazole)-bridged diarylethenes, the exchanging rate between the main conformers in the ring-open form gradually slows down, offering the opportunity for isolating photoactive anti-parallel conformers. In the ring-closed state, the excess steric hindrance can disrupt the thermal bistability.
Morphology-controlled self-assembly of a perylenetetracarboxylic diimide dimer was achieved in THF–H <sub>2</sub> O mixtures by changing the volume ratios of the solvents. The nanostructures showed a hydrazine-sensing response.
Optimizing the photocatalysis in ferromagnetic Bi <sub>6</sub> Fe <sub>1.9</sub> Co <sub>0.1</sub> Ti <sub>3</sub> O <sub>18</sub> (BFCTO) nanocrystals by adjusting alkaline concentration in hydrothermal method.
Although poly(vinyl acetate) (PVAc) differs from poly(methyl acrylate) (PMA) only in the reversed position of the ester group, a large difference in the concentration dependence of the casting solution on the corresponding surface structure of the cast films of PVAc, PMA and poly(methyl methacrylate) (PMMA) was observ…
We presented a facile method for the preparation of a portable detection column integrated with silver nanoparticle (Ag NP) functionalized glass fibers for surface-enhanced Raman scattering (SERS). Ag NPs were immobilized onto the surface of fibers through a two-step self-assembly process, and the cycling of the assem…
O. Overall, the dispersion efficiency of the NBI surfactant was determined by comparison with naphthalene based references. Successful individualization of SWCNTs was corroborated in several microscopic assays. In addition, emission spectroscopy points to the strong quenching of SWCNT centered band gap emission, when…
Poly-aluminum silicate sulphate (PASS) was synthesized in a mixed aqueous solution of sodium silicate and aluminum silicate <italic>via</italic> a sol–gel method for use in ultra-low density fiberboard (ULDF).
Molecules indicate a particular property by obeying a special characteristic in small space in some cases. It was discovered for a liquid phase such as decreasing the melting point in a nano-sized pore. A special phenomenon may also occur in the gas phase in a small space. To demonstrate this prediction, I have begun…
An important development of TRPTC-based ICAR ATRP for metal catalyst separation and recycling in an aqueous/organic biphasic system was achieved with alkyl halide as the initiator for the first time.
This study investigated the effects of CeO 2 on structure and synthesis of boroaluminosilicate transparent glass ceramics containing CaF 2 nanocrystals prepared through isothermal crystallization of the melt‐quenched glasses with composition 54SiO 2 –10B 2 O 3 –13Al 2 O 3 –14Na 2 O–3ZnO–2Li 2 O–4CaF 2 doped with 0–1.2…