Materials Literature
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The correlation between capacitance and the structure of carbon nanotubes ͑CNTs͒ was revealed.The electrochemical behaviors of single-and double-walled CNTs were characteristic due to the electrochemical doping mechanism of semiconducting nanotubes, which are amphoteric and can be doped by both donors and acceptors.Th…
In (18)O tracer diffusion experiments slow oxygen exchange kinetics at the surface (i.e. a small oxygen exchange coefficient k*) often drastically decreases the (18)O concentration compared with cases of pure diffusion limitation and this restricts the applicability of such experiments to certain parameter regimes. In…
This paper introduces a new process for fabrication of high resolution Al2O3/SiC composite microcomponents using softlithography and non-aqueous ceramic suspension. Polysilazane is used to provide both binding force and SiC composition. The shape retention and dimensions of the microcomponents were analyzed using a sc…
The crystallization of N,N-di(n-cetyl)quinacridone (DCQA) gives two crystalline polymorphs A and B. It is found that crystalline polymorphs A and B adopt remarkable different packing structures. The form A crystal is characterized by the strong intermolecular π⋯π interaction and C–H⋯O interaction. The form B crystal d…
Rhenium complexes functionalised with thioester-terminated alkyl chains can be attached to gold nanoparticles to yield water-soluble, visibly luminescent Re-GNP hybrid conjugates.
The synthesis of nanocrystal-polymer nanocomposites is reported, in which 2-(2-ethoxyethoxy)ethoxy modified polythiophene serves as the protecting group for dispersion and homogeneous size distribution of the nanoparticles, showing potential of this polymer-based material in optoelectronics and microelectronics.
In this study, the syntheses of octakis(hydroxyethylsulfanyl) phthalocyaninatomanganese(III) chloride and its chlorinated derivative, octakis(chloroethylsulfanyl) phthalocyaninatomanganese(III) chloride, and successive electrochemical investigations of the latter were reported. The voltammetric studies of the complex…
Adsorption of hydrogen molecules on an Ni-doped (8,0) single-walled carbon nanotube (SWNT) is investigated by using first-principles density functional calculations. The result shows that a single Ni atom adsorbed on the bridge site of the tube could cannot dissociate the H 2 , however it can chemisorb three H 2 at mo…
The novel ball-type four cyclopentyldisilanoxy-POSS bridged binuclear metallophthalocyanines 4-6 (M = Zn, Co, Cu) were synthesized from the corresponding phthalodinitrile derivative 3 which can be obtained from the reaction of cyclopentyldisilanol-POSS 1 with 4-nitrophthalonitrile 2 in THF in the presence of K(2)CO(3)…
We report on the thermoelectric properties of (Fe2-x-yMy)V1+xAl alloys (M=Ir and Rh) with compositions x=0, 0.02 and 0.05, and y=0-0.10. While a small deviation from the stoichiometric Fe2VAl composition causes an enhancement in the Seebeck coefficient, a slight substitution of Ir or Rh for Fe leads to a further incre…
Chemical bath deposition (CBD) is a commonly used and inexpensive technique to deposit a variety of semiconductor and oxide thin films for a variety of different applications. In this work, a continuous flow microreactor was used to better control the reacting flux present during the CBD reaction by offering a better…
In this paper, the general synthesis of two-dimensional (2D) ordered porous micro/nanostructured arrays by a layer-by-layer strategy based on the 2D colloidal template transfer are systematically studied. Using such a strategy, various 2D ordered porous films including hetero-pore sized, heterostructured and ion-doped…
A pentanuclear complex, [Mo(CN)8{CuL1}2{CuL1(H2O)}2].6H2O 1, and a decanuclear one, [Mo(CN)8{CuL2}3{CuL2(H2O)}]2.10H2O 2, have been obtained following the building-block approach (HL1 and HL2 are tridentate Schiff bases obtained by reacting salicylaldehyde with 2-aminomethyl-pyridine and 2-aminoethyl-pyridine, respect…
The statistical-thermodynamics and kinetics models of atomic ordering in a metal-doped graphene (binary two-dimensional planar graphene-type crystal lattice) at 1/8, 1/4, and 1/2 stoichiometries are proposed. Impossibility of (completely) atomic-ordered distribution at 1/6 and 1/3 stoichiometries is ascertained in a g…
This study demonstrates that realizing the correlation between in situ crystallographic structure modifications of an electrochromic material and its functionality leads to improved performances, which can then contribute to a variety of energy-efficient applications.
Addition of the germene Mes2Ge=CR2 to 1,4-naphthoquinone yields a singular o-quinodimethane which gives Diels-Alder reactions at room temperature and reacts cleanly with oxygen to form an endoperoxide.
The unique possibilities of current–voltage and force-displacement curve recordings and delicate nanomanipulation of individual inorganic nanotubes under the ultimate spatial resolution typical of high-resolution transmission electron microscope are demonstrated. The examples include metal- or ceramic-filled and nitro…
The indium(III) halo-bridged octahedral dimers [InX(2)(L-L)(mu-X)(2)InX(2)(L-L)] (X = Cl: L-L = MeS(CH(2))(2)SMe, MeSe(CH(2))(2)SeMe, (n)BuSe(CH(2))(2)Se(n)Bu), the ionic trans-[InX(2)(L-L)(2)][InX(4)] (X = Cl: L-L = (i)PrS(CH(2))(2)S(i)Pr; X = Br: L-L = MeS(CH(2))(2)SMe, (i)PrS(CH(2))(2)S(i)Pr, MeSe(CH(2))(2)SeMe), c…
Chiral C(2)-symmetric electroactive bis(oxazolines) containing an EDT-TTF (ethylenedithio-tetrathiafulvalene) backbone, as promising multifunctional ligands and precursors for chiral molecular materials, were synthesized and structurally characterized, together with octahedral molybdenum and tungsten carbonyl complexe…
The quinone-methide elimination is a common, efficient methodology used in linkers designed to undergo self-fragmentation. Here, for the first time, we demonstrate this elimination in a pyridine ring system. Under physiological conditions, a compound constructed of a pyridine core, a reporter, and an enzymatic trigger…