نتایج جستجو برای: sol gel dip coating technique
تعداد نتایج: 739927 فیلتر نتایج به سال:
Eu3+-(5% mol)-doped Lu2SiO5 optical quality films were prepared using the sol–gel method and dip-coating technique from lutetium europium salts as lanthanide precursors tetraethyl orthosilicate (TEOS) silicon source. To increase thickness of films, 3-Glycidyloxypropyl trimethoxysilane (Glymo) was added rheological agent during sol formation. Structural, morphological, luminescent properties inv...
The nanostructured nickel oxide thin films were prepared by dip coating sol – gel method. Three methods (drying with oven, IR and microwave) have used for drying the films. The effect of drying method on the optical, molecular, electrical, structural, and morphology properties of the films were studied by Uv-Visible spectrophotometry, Fourier Transform Infrared spectroscopy, Hall effect, X-ray ...
TiO2/MWCNT nanocomposite thin films containing different percentages of multi-walled carbon nanotubes were coated on fluorinated tin oxide substrates by sol-gel dip coating method. Results of X-ray diffraction analysis indicated that the crystal structure of the coatings was anatase TiO2. It was also understood that the size of crystallites reduced with CNT but structural properties and equilib...
Tungsten trioxide (WO3) films have been coated on indium thin oxide (ITO) conductive glass substrate, using aqueous solution of peroxotungstic acid (PTA) by the sol-gel dip coating method. X-ray diffractometery (XRD) analysis confirmed monoclinic and triclinic structure for the film and powdered WO3 respectively. Fourier transforms infrared spectroscopy (FT-IR) exhibit...
LiMn2O4 spinel cathode materials have been successfully synthesized by solid-state reaction. Surface of these particles were modified by nanostructured LiFePO4 via sol gel dip coating method. Synthesized products were characterized by thermally analyzed by Thermogravimetric and Differential Thermal Analysis(TG/DTA), X-Ray Diffraction (XRD), Scanning Electron...
In this paper, fabrication steps of a gas sensor based on the Sol-Gel method and spin-coating technique is reported for smoke detection. A system called" Spinner" at temperature 4000C¬¬ is employed to deposit a thinner sensitive sensor. To fabricate a thin layer of "Tin Oxide", lean Decoloured is deposited, and glass as the base substrate is used. A proce...
The sol-gel technology allows preparation of the thin silica lms ranging in porosity from dense to highly porous. These lms can function as matrix binding molecules of pH-sensitive indicators and can be utilized as sensitive coatings for intensity based planar evanescent wave chemical sensors. This paper is devoted to manufacturing technology and characterization of highly porous silica lms dep...
Both N-doped and undoped thin films of 3SnO2/TiO2 composite were prepared, by sol-gel and dip-coating methods, and then calcined at 600 °C for 2 hours. The films were characterized by FTIR, XRD, UV-Vis, SEM, and XPS, and their photocatalytic activities to degrade methylene blue in solution were determined, expecting these activities to correlate with the inactivation of bacteria, which was conf...
The photoelectrochemical properties of a sol–gel prepared titanium oxide coating applied onto a Ti substrate were investigated. The oxide coating was formed from an inorganic sol thermally treated in air at 350 °C. The coating consisted of agglomerates of narrow size distribution around 100 nm. The photoelectrochemical characteristics were evaluated by investigating the changes in the open circ...
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