Materials Literature
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Functionalization of graphdiyne, a two-dimensional atomic layer of sp-sp(2) hybrid carbon networks, was investigated through first-principles calculations. Hydrogen or halogen atoms preferentially adsorb on sp-bonded carbon atoms rather than on sp(2)-bonded carbon atoms, forming sp(2)- or sp(3)-hybridization. The ener…
The mechanism by which fracture partitions between intergranular and “quasi-cleavage” in a hydrogen embrittled lath martensitic steel has been examined. Intense plasticity is found under both intergranular and “quasi-cleavage” fracture surfaces with differencing slip band orientation relative to lath structures. In th…
Novel waterproof and breathable fibrous membranes with superhydrophobic surface, adjustable pore size and adhesion structure were fabricated by modifying electrospun PAN fibers with WFPU emulsion.
X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) investigations of interfacial reactions between Ce and Si have been carried out on as-deposited and 15 month aged CeO 2 /Si and CeO 2 /Si 3 N 4 thin films.
We synthesized a readily accessible molybdenum-doped covalent-organic framework catalyst (Mo-COF) linked by a hydrazine linkage via a facile two-step bottom-up approach. This Mo-COF catalyst as an open nanochannel-reactor showed promising catalytic properties for the selective oxidation reaction.
SrTiO₃ nanocubes and their hyperstable nanocrystalline sols were synthesized by a rapid sol-precipitation method under atmospheric pressure. Using triethylene glycol (TEG) to control the hydrolysis rate of tetrabutyl titanate, the SrTiO₃ nanocrystalline sol was obtained in as little time as 2 h. The formation kinetics…
A facile drug screening method based on synthesis of fluorescent gold nanoclusters inside albumin proteins loaded with small molecular drugs and comparing the relative fluorescence intensities of the resultant gold nanoclusters has been developed and successfully applied for the quantitative measurement of drug-protei…
In situ and ex situ Raman analyses of porous Ni/CGO electrodes reveal differences in the amount, location and type of carbon formed during CO/CO2 electrolysis. The results demonstrate the limitations of optical in situ techniques applied to Solid Oxide Cells (SOCs) operated in electrolysis conditions. Increased carbon…
A variety of super complex architectures of covellite copper sulfide have been successfully prepared by a simple solvothermal approach and a precise comparison has been carried out in phot-degrading various organic dyes under natural light irradiation.
The objective of the present study is to develop fully renewable and environmentally benign techniques for improving the fire safety of flexible polyurethane foams (PUFs).
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This paper reports on UV‐mediated enhancement in the sensitization of semiconductor quantum dots (QDs) on zinc oxide (ZnO) nanorods, improving the charge transfer efficiency across the QD‐ZnO interface. The improvement was primarily due to the reduction in the interfacial resistance achieved via the incorporation of U…
The self-assembly of [Mo(V)(CN)8](3-) and [Fe(II)(bik)2(S)2](2+) affords a cyanide-bridged {Mo(V)2Fe(II)2} rhombus molecule that shows photomagnetic effect under laser light irradiation at low temperature and exhibits thermo-induced spin crossover near ambient temperature.
This study shows the interest of elaborating polylactide/halloysite nanocomposites by means of water assisted extrusion (WAE). Besides, WAE gives access to materials with improved fire properties and prevents molecular degradation.
Monitoring the antibacterial action of gold and silver nanoparticles via AFM.
A novel route to perform the layer-by-layer (LBL) assembly of graphene sheets through the covalent functionalization of graphene oxide is reported. The two-dimensional (2D) graphene sheets have the tendency to aggregate or stack which reduces the available surface area and limits the ion transport during the electroch…
In China, Colla corii asini is a health-care food and traditional Chinese medicine widely used in life-nourishing and clinical hematic antanemic therapy for more than 2,000 years. In this paper we compiled the chemical constituents isolated and detected from Colla corii asini including amino acids, proteins/gelatins,…
Natural cellulose has recently emerged as potential candidate for replacing fluorinated polymers (e.g. PVdF) binders in electrochemical double layer capacitors (EDLC) and lithium-ion batteries. In the present work it is demonstrated that, among the advantages offered by its natural origin, cellulose fibers enables sup…
A series of water-soluble Au25-xAgx nanoclusters (NCs) protected by mono- and bi-thiolate ligands are synthesized via the NaOH-mediated NaBH4 reduction method. Compositions of both the metal core and the ligand shell can be tailored by varying the feeding ratios of metal precursors and hetero-ligands, further enrichin…
Incineration as end-of-life treatment for nanowaste has perhaps the greatest potential for transforming nanomaterials in the environment.