نتایج جستجو برای: fe doped nanotube
تعداد نتایج: 140621 فیلتر نتایج به سال:
Highly ordered, vertically oriented Fe3+-doped TiO₂ nanotube arrays (Fe-TNTs) were prepared on Ti-Fe alloy substrates with different Fe contents by the electrochemical anodization method. The as-prepared Fe-TNTs were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and related electrochem...
The interactions between N-hydroxyurea (NHU) as anticancer drug and SWCNTs (pure and Fe-doped) were investigated with density functional theory. In this study, large long-range corrected CAM-B3LYP and B3LYP were employed to investigate the stability of the different NHU-CNT and NHU/Fe-CNT complexes in the gas phase and solution (water). The presence of an iron atom would create suitable space o...
electrical sensitivity of a boron nitride nanotube (bnnt) was examined toward (c3h4) molecule by using density functional theory (dft) calculations at the b3lyp/6-31g (d) level, and it was found that the adsorption energy (ead) of methylacetylene (c3h4) the pristine nanotubes is a bout -1.78kcal/mol. but when nanotube have been doped with si and al atomes, the adsorption energy of methylacetyle...
electrical sensitivity of a boron nitride nanotube (bnnt) was examined toward hydroquinone (c6h4(oh)2) molecule by using density functional theory (dft) calculations at the b3lyp/6-31g(d) level, and it was found that the adsorption energy (ead) of hydroquinone on the pristine nanotube is a bout -7.77kcal/mol. but when nanotubes have been doped with si and al atomes, the adsorption energy of hy...
abstract: electrical sensitivity of a boron nitride nanotube (bnnt) was examined toward ethyl acetylene (c4h6) molecule by using density functional theory (dft) calculations at the b3lyp/6-31g (d) level, and it was found that the adsorption energy (ead) of ethyl acetylene the pristine nanotubes is about -1.60kcal/mol. but when nanotube has been doped with si and al atoms, the adsorption energy ...
X-ray absorption near-edge structure (XANES) measurements have been performed on nitrogen-doped diamond films with three different dopant concentrations and iron-layer-stabilized carbon nanotube (CNT) structures with various diameters at the C K-absorption edge using the sample drain current mode. The C K-edge XANES spectra of these N-doped diamond films resemble that of the undoped diamond reg...
A 0.4 mm long semiconducting single-walled carbon nanotube is doped into n type by potassium ~K! vapor. Electrical measurements of the doped nanotube reveal single-electron charging at temperatures up to 160 K. The K-doped sample manifests as a single quantum dot or multiple quantum dots in series depending on the range of applied gate voltage. This is explained by an inhomogeneous doping profi...
electrical sensitivity of a boron nitride nanotube (bnnt) was examined toward aniline (c6h5nh2) molecule by using density functional theory (dft) calculations at the b3lyp/6-31g (d) level, and it was found that the adsorption energy (ead) of aniline on the pristine nanotubes is a bout -19.03kcal/mol. but when nanotube has been doped with si and al atomes, the adsorption energy of aniline molecu...
abstract: electrical sensitivity of a beryllium oxide nanotube (beont) was examined toward (c5h5n) molecule by using density functional theory (dft) calculations at the b3lyp/6-31(d) level, and it was found that the adsorption energy (ead) of pyridine on the pristine nanotubes is a bout -73.29kcal/mol. but when nanotubes has been doped with s and p atomes , the adsorption energy changed . cal...
Adsorption of hydrogen molecules on platinum-doped single-walled zigzag (8,0) boron nitride (BN) nanotube is investigated using the density-functional theory. The Pt atom tends to occupy the axial bridge site of the BN tube with the highest binding energy of -0.91 eV. Upon Pt doping, several occupied and unoccupied impurity states are induced, which reduces the band gap of the pristine BN nanot...
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