Materials Literature
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This contribution deals with the state of the art of studies concerning the fabrication of electric double-layer capacitors (EDLCs) also called super- or ultracapacitors and obtained using carbon nanotubes (CNTs) without exploiting Faradic reactions. From the first work published in 1997, EDLCs fabricated using carbon…
Partially folded protein species transiently form during folding of most proteins. Often, these species are molten globules, which may be on- or off-pathway to the native state. Molten globules are ensembles of interconverting protein conformers that have a substantial amount of secondary structure, but lack virtually…
Transparent free-standing films of reduced graphene oxide (RGO) are obtained from graphene oxide solution at the air–water interface in a simple, rapid, one-step reduction process with tetrakis(hydroxymethyl)phosphonium chloride (THPC), a widely used reducing agent for synthesizing metal nanoparticles from metal salts…
Single-walled carbon nanotubes (SWNTs) can be dispersed into fine bundles in imidazolium-based ionic liquids (ILs) by simple mechanical grinding. Photoluminescence (PL) of the exciton energy migration from larger band gap semiconducting donor nanotubes to smaller band gap semiconducting acceptor nanotubes within the s…
As typically utilized in applications, a particular shape memory alloy device or component operates under a large number of thermomechanical cycles, hence, the importance of accounting for the cyclic behavior characteristics in modeling and characterization of these systems. To this end, the present work is focused on…
We present a model for dual-gated, single-layer graphene, with a back gate separated by a layer of oxide, and the top gate potential applied through a thick layer of liquid electrolyte that contains mobile ions in a diffuse layer, described in the Debye-H\"uckel approximation, which is separated from graphene by a cha…
Abstract Crystalline ZnO and ZnO2 nanoparticles (NPs) were prepared in one-pot oil-in-water (O/W) microemulsion media at room temperature by adding an aqueous solution of sodium hydroxide (followed by H2O2 in the case of synthesis of ZnO2) to the O/W microemulsion containing a Zn(II) organometallic precursor dissolved…
First-principles calculations based on all-electron density functional theory are performed on hydrogenated graphene/boron nitride (BN) bilayer and graphene/BN multilayers to exploit the effects of the heterogeneous interface and external bias voltage on controlling their electronic properties. After hydrogenation, th…
First-principles fully relaxed tensile tests were performed on a Σ3 (111)/[10] tilt Fe grain boundary (GB) segregated with Al. The effects of Al segregation on bond breaking in the GB were compared with those of Cu and P, which are typical GB embrittlers because of charge transfer and covalent-like characteristics, re…
Abstract Adipic acid, which is nontoxic, was used to dissolve chitosan. The chitosan/adipic acid solution was used to prepare chitosan membrane. After being heated at 80–100°C, the membrane was in situ chemically crosslinked by adipic acid, as verified by Fourier transform infrared and wide‐angle X‐ray diffractometer…
Abstract Flame retarded poly(butylene terephthalate) (PBT) is required for electronic applications and is mostly achieved by low molar mass additives so far. Three phosphorus‐containing polyesters are suggested as halogen‐free and polymeric flame retardants for PBT. Flame retardancy was achieved according to cone calo…
The determination of the carbon concentration of single-wall carbon nanotubes (SWCNTs) in a given dispersion is a basic requirement for many studies. The commonly used optical absorption-based concentration measurement is complicated by the spectral change due to variations in nanotube chirality and length. In particu…
A bulk metallic glass (BMG) of composition Mg(65) Zn(30) Ca(5) was cast directly from the melt and explored as a potential bioresorbable metallic material. The in vitro degradation behavior of the amorphous alloy and its associated effects on cellular activities were assessed against pure crystalline magnesium. Biocor…
Shape memory alloys have been actively studied in various fields in an attempt to utilize their high energy density. In particular, shape memory alloy wire-embedded composites can be used as load-bearing smart actuators without any additional manipulation, in which they act like a hinge joint. A shape memory alloy wir…
Using high-resolution transmission electron microscopy and image simulation techniques in combination with ab initio calculations, we show the existence of two different superlattices of crystallographic shear planes, analogous to the Magn\'eli phases of rutile, in oxygen-deficient films of anatase TiO${}_{2}$ epitaxi…
The scattering of a Gaussian wave packet in armchair and zigzag graphene edges is theoretically investigated by numerically solving the time-dependent Schr\"odinger equation for the tight-binding model Hamiltonian. Our theory allows us to investigate scattering in reciprocal space, and depending on the type of graphen…
In this paper we suggest a new approach to improve the kinetics of hydrogenation based on a material with a high density of interfaces between hydride-forming solid (HFS) and hydrogen-diffusing solid media (HDM). Such materials can be realized for phase-separated systems when synthesized in the conditions limiting kin…
Abstract The interaction of olefins with metal oxides affords surface species which are considered to be the intermediates in olefin isomerization reactions. The nature and the structure of these intermediates after earlier characterization by IR spectroscopy still remain debatable. In this paper by using 13C solid-st…
Abstract Poly(p‐oxybenzoyl) (POB) precipitates prepared by reaction‐induced phase separation during copolymerization exhibit wide variety of morphologies such as fibril, needle, slab, spindle, and sphere. The morphology is significantly influenced by the copolymerization conditions of structure of trifunctional comono…
Trap spectroscopy by charge injection and sensing method was applied to the$\hbox{In}_{0.53}\hbox{Ga}_{0.47}\hbox{As}{-}\hbox{Al}_{2}\hbox{O}_{3}$system, yielding the spatial and energetic distribution of the traps inside the$\hbox{Al}_{2}\hbox{O}_{3}$layer. The trap density inside the atomic-layer-deposited (ALD)$\hb…