Materials Literature
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A highly efficient random copolymer showing a record PCE of 7.03% was prepared.
Solvothermal reactions of the semirigid 3,5-bi(4-carboxyphenoxy)benzoic acid (H3BCP) and transitional metal cations with the help of three ancillary bridging imidazole linkers afforded six coordination polymers, namely, [Co(HBCP)(1,4-bib)0.5]n (), {[Mn1.5(BCP)(1,4-bib)0.5(μ2-H2O)(H2O)2]·(1,4-bib)0.5}n (), {[Mn0.5(1,4-…
Cadmium sulphide (CdS) quantum dots (QDs), sensitizing hierarchical bismuth oxychloride (BiOCl) photocatalysts, were synthesized via a facile solvothermal approach and characterized in detail. The as-prepared CdS–BiOCl photocatalyst possessed an extended light absorption range and efficient charge separation propertie…
Ternary erbium doped BiVO4/TiO2 complexes are synthesized by means of a simple impregnation method with good photoactivities under sun-like excitation for the degradation of phenol. From the structural and morphological characterization it has been stated that the presence of Er3+ induces a slight stabilization of the…
A regiospecific bis-adduct of C70 with anthracene was prepared with unusually high yield (68%) by the Diels-Alder reaction in the absence of solvent (melt). The structure of the bis-adduct was an unexpected 12 o'clock isomer, as determined by single crystal X-ray diffraction, thermal gravimetric analysis (TGA) and spe…
We designed and synthesized a diketopyrrolopyrrole (DPP) molecule with a fully-planar molecular geometry, 3,6-bis{5-[(ethylfuran-2-carboxylate)-2-yl]thiophene-2-yl}-2,5-bis(2-ethylhexyl)pyrrolo[3,4-c]pyrrole-1,4-dione (DPP(CF)2), for solution-processable organic solar cells (OSCs). It is theoretically calculated that…
The sensing of volatile organic compounds by multiwall carbon nanotube networks of randomly entangled pristine nanotubes or the nanotubes functionalized by n‐butylamine, which were deposited on polyurethane supporting electrospinned nonwoven membrane, has been investigated. The results show that the sensing of volatil…
This paper presents an analysis of in-process liquid nitrogen cryogenic cooling on the generation of nanocrystalline workpiece (AISI4140) surface layer in machining. Samplesfrom cryogenic machining demonstratenanocrystalline grain refinement withbeneficial properties, e.g., favorable wear characteristics. Correlations…
A hierarchical structured SnO 2 @graphene nanocomposite has been obtained with superior high-rate and cycle performance for sodium ion batteries.
We determine the maximum value of the second Zagreb index among graphs with given numbers of vertices, edges, minimum and maximum vertex degrees. As the extremal graphs may happen to be multigraphs, we, in addition, determine trees with the maximum value of the second Zagreb index among all trees with given number of…
The AgBr/Ag2CO3 composite was synthesized by an ion-exchange reaction. The physical and chemical properties of the catalysts were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), transmission electron microscopy…
The carbon-coated TiO2(B) nanosheet composite synthesized by one-step hydrolysis of TiCl3 followed by vacuum annealing and air annealing delivers outstanding electrochemical performance as a negative electrode for Li-ion batteries, i.e. reversible capacity above 150 mA h g(-1) at 30 C (10 A g(-1)).
Five coordination polymers (CPs) based on biphenyl-3,4′,5-tricarboxylic acid and bis(imdizole) bridging linkers were synthesized under hydrothermal conditions.
Folate receptors (FRs) are overexpressed on a variety of human cancer cells and tissues, including cancers of the breast, ovaries, endometrium, and brain. This over-expression of FRs can be used to target folate-linked imaging specifically to FR-expressing tumors. Fluorescence is emerging as a powerful new modality fo…
X-Ray absorption spectromicroscopy provides rich information on the chemical organization of materials down to the nanoscale. However, interpretation of this information in studies of "natural" materials such as biological or environmental science specimens can be complicated by the complex mixtures of spectroscopical…
High-efficiency white light emission was developed through the Gd( iii )/Eu( iii )/Tb( iii ) doped complex with 4,4′-oxybis(benzoic acid), 1,10-phenanthroline and oxalate.
It is revealed that c-axis aligned crystal In-Ga-Zn oxide (CAAC-IGZO) and nanocrystalline IGZO films have high-density crystalline morphologies (5.9−6.3 g/cm 3 ) and are very stable under electron-beam irradiation in transmission electron microscope observation. The electrical properties are suitable for practical use…
Polymers based on quinoxaline and indacenodithieno[3,2- b ]thiophene (IDTT) with meta -hexyl-phenyl side chains were synthesized.
Tin oxide hollow spheres (SnO₂ HS) with high structural integrity were synthesized by using a one pot hydrothermal approach with organic moieties as structure controlling agents. By adjusting the proportion of acetylacetone (AcAc) in the precursor formulation, SnO₂ HS of 200 and 350 nm dimensions, with a uniform shell…
A D–π–A dye SAT-1 with benzo[4,5]thieno[2,3- c ]pyridine as the electron-withdrawing anchoring group capable of forming a hydrogen bond or a coordinate bond on a TiO 2 surface was developed as a new-type of D–π–A dye sensitizer for dye-sensitized solar cells.