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Showing 1 to 20 of 61 for “"Dip coating"”.
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Optimization of copper oxide film by dip coating technique for oxygen detection
… are particle structure. In this research, dip coating technique is proposed for the preparation of CuO hierarchical structure by optimized the annealing temperature, various pH of solutions and withdrawal speed of dip coating. The phase structure, morphology and surface roughness of CuO …
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Improving surface quality of SLA 3D printed parts via controlled dip-coating
… this research is to determine whether controlled dipcoating can be used to improve surface quality of SLA 3D printed parts. Contact profilometer data was collected for SLA 3D printed parts that were dip-coated with varying withdrawal speeds (1 mm/s, 5 mm/s, 0.1 mm/s), printed with different …
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Studio di rivestimenti antiriflesso da sol-gel dip-coating per impianti solari termodinamici
… mediante via umida, con tecnica di sol-gel dip-coating. I sol coprenti sono stati preparati da alcossidi o sali metallici precursori degli ossidi che costituiscono il rivestimento. Sono state approfondite sia la fase di sintesi dei sol coprenti, sia la fase di deposizione sul substrato, che …
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Optimization of titanium dioxide (TiO2) thin film using dip coating technique for oxygen gas sensor
… short annealing temperature. In this study, the dip coating method was used to fabricate the TiO2 thin film. The parameters such as deposition layer, withdrawal speed of dip coating and annealing temperature were varied to optimize the properties of thin film. The optimum parameters are obtained …
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Fabrication of solution-processed photoactive polymer- and halide perovskite-based solar cells
… solution-processed solar cells using dip and spin coating methods. Inverted bulk heterojunction structure has been utilised in fabrication of polymer solar cells using dip coating method. In this structure, all layers except electrodes were deposited using dip coating method, which …
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Thermolysis Route for Accessing Amorphous Metal Sulfide Thin-Film Catalysts for the Hydrogen Evolution Reaction
… evolution reaction (HER). Films prepared by dip-coating showed optimal coverage, as monitored by scanning electron microscopy, using high precursor solution concentrations and slow/fast dip-coating retraction rates with low/high volatility solvents. X-ray diffraction confirmed that the films …
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Energy transfer and waveguide studies of Eu3+ and Tb3+ doped 2 SiO2-TiO2 glass prepared via the sol-gel route
… amplifier. Sol-gel chemistry, combined with the dip-coating method is a means to develop rare-earth doped planar waveguides for such integrated optics components. The sol-gel process involves three main steps: first, a metal alkoxide (Si-alkoxide) in alcohol-based medium undergoes hydrolysis at a …
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Microneedles for Drug Delivery in Aquaculture
… project is the needle fabrication method and coating selection to provide necessary mechanical strength to withstand aquatic environments. It was found that hollow, silk microneedles coated in shellac/ethanol coatings of 33.3% w/w following the two-step method of full dip coating then tip-only …
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Composite inorganic membranes for hydrogen reaction, separation and purification.
… prepared using both conventional and modified dip-coating techniques. These were deposited on commercially available a.-alumina macroporous support of 10 millimetre (mm) outer diameter, 7 mm inner diameter and average pore size of 6000 nanometre (nm) wash coated with Titania. The reactants of …
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Gas permeation properties and characterization of mitrimid based carbon tubular membrane
… on the surface of tubular ceramic tubes by using dip-coating method. Dip-coating technique offer high potential in fabricating defect free carbon membrane. The polymer tubular membrane was then carbonized under nitrogen or argon atmosphere at temperature of 600, 750, and 850 oC with heating rate …
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Nickel aluminide coating as catalyst in steam methane reforming microreactor
… analysis of catalyst deposition, specifically by dip coating (DC) method was conducted. This study which to deposit nickel aluminide catalyst on stainless steel 304 (SS304) substrate plates with different roughness and DC withdrawal speed has been conducted. Analysis of calcination temperatures on …
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Formation of salt crystal whiskers on nanoporous coatings and coating onto open celled foam.
… from salt solution saturated nanoporous silica coatings. Coated substrates were partially immersed into an aqueous potassium chloride solution and then kept in a controlled relative humidity chamber for whisker growth. The salt solution was first wicked into the coating by capillary action, and …
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Production and Characterization of Micro-Tubular Solid Oxide Fuel Cells
… current collector layer were fabricated by dip-coating technique. The fuel cell was designed according to the anode-supported configuration with a metallic coil introduced within the anode during the cell fabrication. The production of the devices through wet colloidal process required the …
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Abscheidung und Zersetzung von Selten-Erd-Oxid-Precursorn auf der H-terminierten Si(111)- und der SiO 2 -Oberfläche
… über die Applikationsmethoden "drop-cast", "dip-coating" und "liquid-injection-precursor-deposition" auf die H-terminierte Si(111)- und die SiO2-Oberfläche dosiert. Über definiertes Heizen der Probe im UHV und auch unter Schutzgas fand eine Thermolyse des Precursors statt, sodass eine dünne …
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Out of autoclave manufacturing of cfrps having multiscale reinforcement for improved interlaminar fracture toughness and multifunctional characteristics
… with multi-scale reinforcements, as follows: • Dip-Coating Technique, concerns the nano-modification of the main reinforcement surface (carbon fabrics) by the integration of MWCNTs in a form of CNT-enriched sizing agent. A water-based nano-doped solution was prepared at a given wt.% CNT content …
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Tailoring Local Conductivity by the Formation of Ag Nanoclusters in SiO2 Xerogel Films
… silicon dioxide thin films were produced via dip-coating and doped with Ag+ by adding AgNO3 to the dipping solution. Nanoparticles were formed within the pores of these films by UV exposure. Nanoparticle formation was confirmed by UV-visible spectroscopy and Transmission Electron Microscopy …
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CMZP and Mg-doped Al2TiO5 Thin film Coatings for High Temperature Corrosion Protection of Si3N4 Heat Exchangers
… thin films. Homogeneous and crack-free oxide coatings of calcium magnesium zirconium phosphate (CMZP) and magnesium doped aluminum titanate (Mg-doped Al2TiO5) were successfully deposited on Si3N4 using the sol-gel and dip-coating technique. Coated and uncoated samples were then exposed to a …
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Partiell geschützte Blockcopolymere zur Darstellung von Polymerfilmen mit strukturierbarer und modifizierbarer Morphologie
… wurden dünne Polymerfilme mittels „dip-coating“ präpariert. Die Untersuchung der Topographie und Morphologie der Filme erfolgte mit dem AFM. Aus den erhaltenen Topographie- und Phasenverschiebungsbildern ging eindeutig hervor, dass die verschiedenen Blöcke der jeweiligen partiell …
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Fluid Dynamics in Liquid Entry and Exit
… applications such as mineral flotation, dip coating operations, and air-to-sea and sea-to-air projectiles. It is also crucial in animal behaviors like the locomotion of water-walking animals, the plunge-diving of birds, and the jumping out of water of marine creatures. Depending on the …
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Laser processing of solution based antimony doped tin oxide thin films
… interest in the potential for solution based coatings based on nanoparticulate suspensions of SnO2:Sb. However, solution processed films typically require a high temperature (~700⁰C) annealing step to achieve the desired electrical and optical properties. This is disadvantageous for …
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