International Nano Letters
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Biodegradation behaviors and water adsorption of poly(vinyl alcohol)/starch/carboxymethyl cellulose/clay nanocomposites
International Nano Letters - Tập 3 - Trang 1-8 - 2013
The focus of this work is to study the effect of sodium montmorillonite (MMT-Na) clay content on the rate and extent of enzymatic hydrolysis polyvinyl alcohol (PVA)/starch (S)/carboxymethyl cellulose (CMC) blends using enzyme cellulase. The rate of glucose production from each nanocomposite substrates was most rapid for the substrate without MMT-Na and decreased with the addition of MMT-Na for PVA...... hiện toàn bộ
Realization of ZnO/PVK transparent heterojunction by solution processing routes
International Nano Letters - Tập 3 - Trang 1-5 - 2013
In this work, transparent heterojunction between zinc oxide (ZnO) and poly(N-vinyl carbazole) (PVK) was fabricated by solution processing techniques such as spin-coating and dip-coating techniques; then, its performance was studied using current (I)-voltage (V) measurement at room temperature. Before fabricating the heterojunction, initially, the growth characteristics of both thin films were inde...... hiện toàn bộ
Tuned optical transmittance in single-step-derived silica aerogels through pH-controlled microstructure
International Nano Letters - Tập 7 - Trang 257-265 - 2017
We have systematically studied the relationship between synthesis pH and morphological and optical properties of silica aerogels. We have determined through SEM and BET that there is a systematic correlation between the pH of the initial silica solution and the surface area, porosity, and pore size of the resulting aerogel. We find that optical transmittance, particularly its wavelength dependence...... hiện toàn bộ
One-pot hydrothermal synthesis and characterization of magnetic nanocomposite of titania-deposited copper ferrite/ferrite oxide for photocatalytic decomposition of methylene blue dyeAbstract
The pure titania (TiO2 ) and the heterogeneous ternary magnetic nanocomposite of copper ferrite/ferrite oxide (CuFe2 O4 /Fe2 O3 ) deposited by titanium dioxide (TiO2 ) were fabricated using a facile one-pot hydrothermal synt... ... hiện toàn bộ
International Nano Letters - Tập 9 Số 4 - Trang 327-338 - 2019
The comparison of antibacterial activities of CsPbBr3 and ZnO nanoparticles
International Nano Letters - Tập 9 - Trang 349-353 - 2019
All-inorganic cesium lead bromide (CsPbBr3) perovskite nanoparticles and ZnO nanoparticles were synthesized. The structure, optical properties and the morphology of synthesized nanoparticles were fully characterized using X-ray diffraction (XRD), UV/Vis spectroscopy and transition electron microscopy (TEM). A comparative study was carried out to investigate the antibacterial activity of ZnO and Cs...... hiện toàn bộ
Frequency comparison of light transmission in a defected quasi-one-dimensional photonic crystal slab
International Nano Letters - Tập 3 - Trang 1-11 - 2013
In a new theoretical investigation, we study light transmission through a photonic crystal (PC) slab with limited boundaries at width. By using a tight binding model, photon dispersion relation and photon Green function for a perfect system are obtained. Then, based on the Lippmann-Schwinger formalism, we calculate the effects of disordering on light transmission in the PC channel. We found that t...... hiện toàn bộ
Representation of heterostructure electrically doped nanoscale tunnel FET with Gaussian-doping profile for high-performance low-power applications
International Nano Letters - Tập 8 - Trang 277-286 - 2018
In this paper, a gallium antimonide junctionless tunnel field-effect transistor based on electrically doped concept (GaSb–EDTFET) is studied and simulated. The performance of the device is analyzed based on the energy band diagram and electric field profile. The on-current, transconductance, and cut-off frequency are enhanced in case of GaSb–EDTFET compared with Si-EDTFET due to the combination of...... hiện toàn bộ
Band gap determination using absorption spectrum fitting procedure
International Nano Letters - - 2013
Synthesis, characterization, and photocatalytic activity of MCM-41 and MCM-48 impregnated with CeO2 nanoparticles
International Nano Letters - Tập 2 - Trang 1-8 - 2012
MCM-41/CeO2 and MCM-48/CeO2 were synthesized by direct and indirect methods in solvent media and by grinding method in a solvent-free media. The materials prepared by grinding method are characterized by X-ray diffraction, infrared spectrum analysis, and N2 adsorption and desorption. Surface areas and pore size of MCM-48/CeO2 were obtained with values of 680.9 m2·g−1 and 1.64 nm, respectively, by ...... hiện toàn bộ
Effect of dispersion behavior on the heat transfer characteristics of alumina nanofluid: an experimental investigation and development of a new correlation function
International Nano Letters - Tập 10 - Trang 207-217 - 2020
Present work aims to study the dispersion characteristics of Al2O3 nano-dispersoid in water following different periods of ultrasonication and its impact on the thermal conductivity and viscosity of the nanofluid. Nanofluids with 0.5–2 vol% of Al2O3 nanoparticles have been prepared by ultrasonication for varying period. Al2O3 nanofluids reported a maximum thermal conductivity enhancement of 16.1% ...... hiện toàn bộ
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