Materials Literature
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Two coordination compounds with the formula Ln5(H2O)(OH)4(NO3)3(BZA)4L (Ln = Tb(3+) (1), Dy(3+) (2)) have been assembled in a one-pot synthesis from the tetrasubstituted cyclen derivative ligand N,N',N'',N'''-tetra(2-hydroxy-3-methoxy-5-methylbenzyl)-1,4,7,10-tetraazacyclododecane (H4L), Ln(NO3)3·xH2O (Ln = Tb(3+) (x…
Treatment of a benzocarbaporphyrin with [Rh(CO)2Cl]2 in refluxing dichloromethane gave a rhodium(i) dicarbonyl complex, and further reaction in refluxing pyridine afforded an organometallic rhodium(iii) derivative. The carbaporphyrin also reacted with [Ir(COD)Cl]2 and pyridine in refluxing p-xylene to generate a relat…
Self-healing process occurring when a self-healing Co–CS/PAA PEM film is integrated (I), damaged (II), self-healing (III), and self-healed (IV).
The results of spectrophotometry and TEM revealed that materials with a higher homogeneity degree of morphological structure could obtain 98.7% of transmittance at a wavelength of 680 nm.
In this report, the structural, magnetic and spectroscopic properties of the freeze-drying synthesized Sr2Ni1-xMgxTeO6 (x = 0.0, 0.1, 0.2, 0.3 and 0.5) oxides are analyzed by means of X-ray powder diffraction (XRPD) and neutron powder diffraction (NPD), electron paramagnetic resonance, diffuse reflectance and magnetic…
Recyclable collagen is a potential candidate to be used as development prototypes in biomaterial scientific research.
Lower thermal conductivity and intrinsic electronic bandgap make large honeycomb dumbbell silicene/germanene prospective in future thermoelectrics.
High durability of the steel fiber reinforced concrete is one of the prerequisites for it successful use in road construction. Frost resistance of concrete depends on many factors, in particular on the visco-plastic properties of the cement matrix and the cement paste porosity. The use of active mineral additives can…
Nanomaterials for sensing applications
Template-assisted pattern formation in monolayers of particles with competing short-range attraction and long-range repulsion interactions (SALR) is studied by Monte Carlo simulations in a simple generic model [N. G. Almarza et al., J. Chem. Phys., 2014, 140, 164708]. We focus on densities corresponding to formation o…
A novel type of shape memory polyurethane (SMPU) with high mechanical properties and biodegradability was constructed using a lactone copolymer (poly(ε-caprolactone-co-γ-butyrolactone), PCLBL), a diol- or triol-based chain extender (1,5-pentanediol, glycerol and 2-amino-2-hydroxymethyl-1,3-propanediol) and a diisocyan…
A new iridium(iii) complex containing a coumarin derivative as the cyclometalated ligand (L) and a carbazole-functionalized β-diketonate (Cz-acac-allyl) as the ancillary ligand, namely, Ir(iii) bis(3-(pyridin-2-yl)coumarinato-N,C(4))(1-(9-butyl-9H-carbazol-3-yl)hept-6-ene-1,3-dionato-O,O) [Ir(L)2(Cz-acac-allyl)], was…
In this contribution, an extensive spectroscopic study of Y2O2S doped with Eu(3+) and Tb(3+) is presented. Steady-state luminescence and luminescence excitation spectra as well as the time-resolved spectra and luminescence kinetics were obtained at high hydrostatic pressures up to 240 kbar. It was found that pressure…
Lower dark current, higher photoresponse and faster switching time under a 254 nm light illumination and dual-band are obtained for a photodetector through the introduction of Au-NPs.
In this article, we studied the thermodynamic and electronic properties of Mg and MgH2 nanowires with different diameters, and elucidated why MgH2 nanowires are good hydrogen storage materials through first-principles calculations. Previous experiments have shown that the orientation relationship between Mg and MgH2 n…
The supramolecular structures formed by polyoxometalate–steroid conjugates can be greatly influenced by molecular structures and solution components.
A multifunctional hybrid material suitable for cancer therapy, combining stimuli-responsive properties for drug delivery and magnetic hyperthermia.
NMR spectroscopy has been proven to be a useful method to characterize the spatial structure of polymer-protected nanoparticles (NPs). In the present study, polyethylenimine (PEI) partially modified with polyethylene glycol (PEG) was used as a template to form gold NPs (Au NPs) via either sodium borohydride reduction…
Novel polyazamacrocyclic ligand decorated short-channel mesoporous silicas with the ability to selectively capture palladium ions in HNO <sub>3</sub> solutions.
This review aims to critically assess the use of X-ray techniques, both of a scattering ( <italic>e.g.</italic> X-ray diffraction (XRD), pair distribution function (PDF)) and spectroscopic nature (X-ray absorption spectroscopy (XAFS)), in the study of cobalt-based Fisher–Tropsch synthesis (FTS) catalysts.