نتایج جستجو برای: nanoporous anodic aluminum oxide aao
تعداد نتایج: 228769 فیلتر نتایج به سال:
Highly ordered Pd nanowire arrays (NWAs) prepared by electrodeposition method using the fresh prepared anodic aluminum oxide (AAO) as the template have been characterized by X-ray diffraction pattern (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), scanning electron microscopy (SEM), and electrochemical measurements. SEM results revealed that the brush-shap...
This work reports on the electrodeposition of rhodium (Rh) nanowires with a controlled surface morphology synthesized using an anodic aluminum oxide (AAO) template. Vertically aligned Rh nanowires with a smooth and coarse morphology were successfully deposited by adjusting the electrode potential and the concentration of precursor ions and by involving a complexing reagent in the electrolyte so...
We study the effect of nonsolvent on the formation of polymer nanomaterials in the nanopores of porous templates. Water (nonsolvent) is added into a poly (methyl methacrylate) (PMMA) solution in dimethylformamide (DMF) confined in the nanopores of an anodic aluminum oxide (AAO) template. Water forms a wetting layer on the pore wall and causes the PMMA solution to be isolated in the center of th...
Superhydrophobic nanoporous anodic aluminum oxide (alumina) surfaces were prepared using treatment with vapor-phase hexamethyldisilazane (HMDS). Nanoporous alumina substrates were first made using a two-step anodization process. Subsequently, a repeated modification procedure was employed for efficient incorporation of the terminal methyl groups of HMDS to the alumina surface. Morphology of the...
Dye-sensitized solar cells (DSSCs) utilize high surface area metal oxide sintered particle networks to absorb molecular dyes and transport injected charge carriers. While this sintered particle architecture allows liquid electrolyte DSSCs to achieve efficiencies up to 11%, slow charge transport through the semiconductor network limits the amount of modification that can be made to the electroly...
Anodizing is commonly used for corrosion protection of aluminum and its alloys in the construction industry. The anodic oxide (AAO) coating has a high ability to prevent development extensive pitting substrates, particularly marine sites, as was observed during 10-year atmospheric study carried out several industrial sites. However, this also evidenced that can be highly affected by deposition ...
Anodic Aluminium Oxide (AAO) membranes were fabricated using a modified 2 step anodization process. The effect of varying anodization voltage, time and temperature of electrolyte on the morphology of the pores was studied. AFM measurements showed that the anodized samples contain ordered pores of 32 nm in diameter and were 40nm apart.
The potential of polymeric nanostructures obtained by extruding polymer solutions through reusable anodic aluminum oxide (AAO) nanopores for the fabrication is investigated systematically to be able unveil impact structure on cell culturing. Thus, nanostructured Na-alginate and poly(vinyl alcohol) (PVA) polymers as well blended alginate/PVA hydrogels are fabricated. PVA fibers with different di...
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