Materials Literature
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Poly(vinylidene fluoride-co-hexafluoropropylene) (HFP) nanocomposites with layered silicate have been synthesized via the melt extrusion route. The intriguing nanostructure, crystalline structure, morphology, and thermal and mechanical properties of the nanocomposites have been studied and compared critically with pri…
Density functional theory (DFT) calculations were carried out in a study of the oxidation of benzene to phenol by N 2 O on an Fe 2+ -ZSM-5 cluster. The catalytic cycle has been studied on a model [Si 6 Al 2 O 9 H 14 Fe] cluster. It is found that Fe 2+ is preferred over Fe 1+ as a site for phenol oxidation. A high deso…
Abstract In this study, cold and melt crystallization behaviors of amorphous poly(ethylene terephthalate) (PET)/clay nanocomposites were investigated. Two nanocomposite samples with the same amount of inorganic content were prepared by melt processing using natural montmorillonite (Na‐MMT) and organo‐modified montmori…
By exploiting the link between form and function, the engineering of crystalline materials is providing new opportunities for the development of designer materials, especially at the nanoscale. Tailoring of the nanodiamond band gap remains one of the unresolved challenges in the development of nanodiamond-based electr…
ZnO nanoparticles were prepared by a simple solvothermal route by using a ethylene glycol (EG)-ethanol (E) solvent system. The shape and size of ZnO nanoparticles were tuned by changing the volume composition of the solvents and the synthesis temperature. Phase purity was confirmed by X-ray diffraction (XRD) and cryst…
The Fermi energy dependence of the $G$-band resonance Raman spectra of single-wall carbon nanotubes (SWNTs) is calculated, including the Kohn anomaly effect for metallic tubes. The gate voltage dependence of the $G$-band Raman spectra for SWNTs shows chirality-dependent ${G}^{+}/{G}^{\ensuremath{-}}$ spectra, reflecti…
Two complementary theoretical approaches are used to study the effect of polydispersity on (anti)fouling properties of a neutral polymer brush. Polydispersity is described using the Schulz−Zimm distribution. The Scheutjens−Fleer self-consistent-field (SF-SCF) formalism is used to consider the interaction between a sin…
Continuous boron nitride nanofibers (BNNFs) have been synthesized from boric oxide (B(2)O(3)) coatings deposited on stabilized electrospun polyacrylonitrile fibers (S-PANFs). The B(2)O(3) overcoatings were prepared by impregnating the S-PANFs with B(2)O(3) ethanol solutions. By successive heat treatments at 800 degree…
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication to the EditorNEXTThermo-Responsive Nanofiber MatsHidenori Okuzaki*, Keiko Kobayashi, and Hu YanView Author Information Laboratory of Organic Robotics, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-4-37 Tak…
Using first-principles calculations we have investigated the possible native point defects in bulk ${\text{MgH}}_{2}$. Due to the interest in this material for hydrogen storage, we have paid particular attention to hydrogen-related defects that are likely to be involved in the absorption and release kinetics of hydrog…
The reproducible preparation of p-type ZnO represents an important task that might be realized via the partial substitution of Zn 2+ by Li + in the ZnO lattice. Consequently, it is necessary to understand the effect of Li incorporation into ZnO in detail. A systematic approach employing molecular organometallic precur…
A series of new mixed-metal Ru(II)-Ir(III) trinuclear complexes have been prepared and characterized, together with their mononuclear parents and a series of closely related dinuclear and trinuclear homometallic Ru(II) and Ir(III) species, and their absorption spectra and luminescence properties (both at 77 K in rigid…
The catalytic oxidation activity of palladium is influenced by the oxidation state of the metal. Under technologically relevant conditions, bulk and surface oxides may form and decompose. By employing first-principles calculations based on density functional theory, we have investigated the transition from the surface…
ADVERTISEMENT RETURN TO ISSUEEditorialNEXTNanotechnology for Next Generation Solar CellsPrashant V. Kamat and George C. SchatzCite this: J. Phys. Chem. C 2009, 113, 35, 15473–15475Publication Date (Web):August 4, 2009Publication History Published online4 August 2009Published inissue 3 September 2009https://doi.org/10.…
A new and simple method to directly synthesize stable and crystalline pure phase La(OH)(3) nanorods was developed using cationic surfactant (cetyltrimethylammonium bromide, CTAB). The advantages of the method are facile synthesis, at room temperature, and low cost. X-ray diffraction (XRD) spectra, Fourier transform in…
Abstract The foaming behavior of high‐melt strength polypropylene (HMS‐PP) and HMS‐PP/Cloisite 20A nanocomposites (PPNC) was studied in a batch process. PPNCs with 2, 4, 8, and 10 wt% clay were prepared in a twin screw extruder. The morphology of the nanocomposites was studied using XRD and TEM. Subsequently, foaming…
Reversible self-assembly of Keggin structure polyoxometalate (POM) nanoclusters into nanodisks, nanocones, and nanotubes is described. The surface of POM clusters was modified by organic surfactant through single-phase approach. By carefully controlling and varying clusters surrounding environment, all assemblies were…
Efficient intracellular delivery of quantum dots (QDs) and unravelling the mechanism underlying the intracellular delivery are essential for advancing the applications of QDs toward in vivo imaging and therapeutic interventions. Here, we show that clathrin-mediated endocytosis is the most important pathway for the int…
The liquid crystal and luminescent properties of two related series of rod-like, ortho-platinated complexes bearing a β-diketonate co-ligand are reported. The parent ligands exhibit a rich, smectic polymorphism, but when modified with a fused cyclopentene ring, nematic phases dominate. Reaction of the ligands with tet…
Fünfmal gut: Die Titelreaktion gelang an Katalysatoren auf der Basis triazinbasierter Polymere, die durch Trimerisierung von 2,6-Dicyanpyridin in einer ZnCl2-Schmelze hergestellt wurden und Bipyridin-Struktureinheiten zur Koordination von Platin aufweisen. Die Katalysatoren zeigen hohe Aktivität und können leicht vom…