Materials Literature
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The inhibiting action of a nonionic surfactant of the TRITON-X series (TRITON-X-405) on stainless steel type X4Cr13 in 1.0 M H 2 SO 4 solution within the temperature range of 25–45 °C was studied using the gravimetric and potentiodynamic technique. The inhibition efficiency was found to increase with the inhibitor con…
Perovskite oxides were typically considered as the electronic and ionic conductors for application in the electrolytes for solid oxides fuel cells (SOFCs). Recently, LaFeO 3 -based systems were mainly focused on the electrochemical property for the anode of Ni/MH batteries in our previous work, and the exciting result…
Despite the extensive application of ellipsoidal micro-/nanoparticles, the synthesis of shape anisotropic ellipsoids is rare because of the minimization of surface free energy that favors simple spherical shape rather than complex nonspherical shape. We present the synthesis of silica ellipsoids with hexagonal mesostr…
Novel biosensors have been designed by reporting an analyte-induced (de)swelling of a stimuli-responsive hydrogel (usually in a form of thin film) with a suitable optical transducer. These simple, inexpensive hydrogel biosensors are highly desirable, however, their practical applications have been hindered, largely be…
A family of hollow organosilica nanospheres and nanotubes was synthesized at appropriately low organosilica-precursor/block-copolymer-surfactant ratios. In Pluronic F127 (EO 106 PO 70 EO 106 ) block copolymer templated synthesis of ethylene-bridged organosilicas in the presence of a swelling agent, the lowering of the…
We perform polarization-resolved magneto-optical measurements on single InAsP quantum dots embedded in an InP nanowire. In order to determine all elements of the electron and hole $g$-factor tensors, we measure in magnetic field with different orientations. The results of these measurements are in good agreement with…
The objective of this paper is the study of the influence of the chemical structures of adsorbent and adsorbate on the adsorption process. By using of crab shell chitosan (CC) and deep‐pink shrimp chitosan (CP) for removal of acid 183 and AR114 from aqueous solutions, it is shown that CP, which corresponds to the high…
An ultrasonic-assisted method to directly prepare nanocrystalline TiO2 has been used. TiO2 was synthesized by the hydrolysis of Tetraisopropyl titanate (TIPT) in the presence of de-ionized water and ethanol under high-intensity ultrasonic irradiation (24 KHz, 300 W/cm2) at different conditions. The effect of water con…
Electronic structure calculations based on the density functional theory are performed to clarify the structural stability and electronic states of twin boundary interfaces in calcite polymorph. The calculations demonstrate that atomic arrangements such as interlayer spacing between adjacent bilayers and atomic distor…
Subphthalocyaninatoboron (SubPc) complexes bearing six peripheral n-dodecylthio substituents and an apical photochromic dithienylperfluorocyclopentene unit were prepared. The photoinduced isomerisation of the apical substituent from the open to the ring-closed form significantly influences the photoluminescence of the…
To tailor functional nanomaterials, the co-assembly of self-assembling dyes in a homogeneous way would be a promising approach because the electronic properties can be tuned by the mixing ratio. Although porphyrins are important supramolecular building blocks with unique optical properties, a homogeneously mixed J-agg…
The role of templating sulfate anions in the hydrothermal formation of nanowires from Bi2O3 and K2SO4 is critically discussed on the basis of X-ray diffraction patterns, electron microscopy studies and ion exchange experiments. Thorough analytical investigations of the obtained nanowires together with mechanistic info…
The colloidal crystal templating method combined with the fast firing technique is used to prepare the three-dimensionally ordered macroporous (3-DOM) composite cathodes for solid oxide fuel cells. The 3-DOM cathodes present very low polarization resistances, showing high electrocatalytic activity at intermediate temp…
Abstract Dihydroxyl soybean oil (DSO) has shown potential as a tackifier for pressure‐sensitive adhesive (PSA) applications, and perchloric acid was used previously as a catalyst to open the oxirane rings of epoxidized soybean oils (ESO) when we prepared DSO and PSA. Phosphoric acid is a more eco‐friendly catalyst tha…
The following compounds have been synthesized: (a) hydantoins 5,5-dimethylimidazolidine-2,4-dione (1), 1′,3′-dihydrospiro[imidazolidine-4,2′-indene]-2,5-dione (2), 3′,4′-dihydro-1′H-spiro[imidazolidine-4,2′-naphthalene]-2,5-dione (3); (b) monomers: 5,5-dimethyl-3-(4-vinylbenzyl)imidazolidine-2,4-dione (4), 1-(4-vinylb…
Silicon nanocrystals with an average size of approximately 4 nm dispersed in SiO2/Si3N4 hybrid matrix have been synthesised by magnetron sputtering followed by a high-temperature anneal. To gain understanding of the photon absorption and emission mechanisms of this material, several samples are characterised optically…
A systematic study of a specific martensitic microstructure, called the X-microstructure, is carried out with the focus on the CuAlNi shape memory alloy undergoing the cubic-to-orthorhombic transformation. The set of all crystallographically distinct candidate X-microstructures is determined, and it is shown that, acc…
The present paper investigates the interaction of silica filler in uncompatibilized and compatibilized styrene butadiene rubber/nitrile rubber (SBR/NBR) blends of varying compositions. The use of a dynamic mechanical analyzer as a tool for confirming the compatibility by the addition of dichlorocarbene modified styren…
The effect of alloying elements on the threshold stress for superplasticity was investigated using two binary solid solutions, namely, Mg–Al and Mg–Y alloys. Both alloys exhibited superplasticity, and in spite of the absence of fine particles showed threshold-stress-like behavior. Different origins were suggested for…
The adsorption of cationic amphiphilic peptides, composed of six consecutive hydrophobic amino acid residues (G, A, and V) at the N-terminus and one cationic charge residue (K) at the C-terminus, at the hydrophilic silica/water interface has been investigated at pH 6.0 by in situspectroscopic ellipsometry (SE) and liq…