Search results for " Anodic Alumina Membranes"

showing 7 items of 17 documents

Fabrication and Characterization of Different Nanostructures

2007

Settore ING-IND/23 - Chimica Fisica ApplicataNanostructures Nanowires Nanotubes Electrodeposition Template Electrosynthesis Anodic Alumina Membranes
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Fabrication and characterization of nanostructured materials

2008

Settore ING-IND/23 - Chimica Fisica ApplicataNanostructures Template Electrosynthesis Anodic alumina membranes Nanowires Nanotubes
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Nanostructured alloys for energy devices

2009

Settore ING-IND/23 - Chimica Fisica ApplicataSnCo PdCo Alloys Electrodeposition Template Synthesis Nanoparticles Nanowires Anodic Alumina Membranes
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Electrodeposition of lead dioxide nanowires with a high aspect ratio

2008

Settore ING-IND/23 - Chimica Fisica ApplicataTemplate Electrosynthesis Anodic Alumina Membranes Nanowires Lead Dioxide
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Nanoporous alumina membranes filled with solid acid for thin film fuel cells at intermediate temperatures

2004

Thin film fuel cells have been fabricated by impregnation of inorganic porous membranes with inorganic proton conductor. Anodic alumina membranes (50 μm thick and pore diameter of 200 nm), filled with CsHSO4 salt have been used as protonic conductor in a hydrogen-oxygen fuel cell working between 423 and 443 K in dry atmosphere. Polarization curves at 433 K showing ohmic control with open circuit values near 0.8 V and short circuit current around 8 mA cm−2 have been obtained. Possible causes of degradation as well as alternative routes to overcome some of the problems encountered with this approach will be reported. Keywords: Solid acid, Anodic alumina membranes, Pore filling, Thin film fuel…

Thin film fuel cellSolid acidMaterials scienceAnodic alumina membraneNanoporousOpen-circuit voltageProton exchange membrane fuel cellIntermediate temperature fuel cellAnodelcsh:ChemistrySettore ING-IND/23 - Chimica Fisica Applicatalcsh:Industrial electrochemistrylcsh:QD1-999Chemical engineeringAnodic alumina membranes Intermediate temperature fuel cell Pore filling Solid acid Thin film fuel cellElectrochemistryThin filmPore fillingSolid acid; Anodic alumina membranes; Pore filling; Thin film fuel cell; Intermediate temperature fuel cellPolarization (electrochemistry)Short circuitlcsh:TP250-261Proton conductor
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Optimized bath for electroless deposition of palladium on amorphous alumina membranes

2006

A new bath for the electroless deposition of palladium on anodic alumina (AA) membranes is proposed. It was found that the optimal conditions for the uniform deposition of palladium, with minimal damage to the AA membranes, were under conditions of pH 8.4 and plating times shorter than 30 min. The deposited Pd layer was detected by X-ray diffraction (XRD) and energy dispersive X-ray (EDX) analysis. The morphology of the AA membrane before and after plating was examined by scanning electron microscopy (SEM). EDX analysis revealed that palladium was deposited only on the surfaces of the membrane and Sn ions, coming from the sensitizing bath, were incorporated into the palladium layer. EDTA in…

inorganic chemicalsMaterials scienceScanning electron microscopeInorganic chemistrychemistry.chemical_elementSurfaces and InterfacesGeneral ChemistryCondensed Matter PhysicsSurfaces Coatings and FilmsAmorphous solidMembranechemistryAluminiumPlatingMaterials ChemistryFourier transform infrared spectroscopyElectroless deposition Palladium Dehydrogenation Anodic alumina membranesLayer (electronics)PalladiumSurface and Coatings Technology
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Fabrication and characterization of Metal and Metal Oxide Nanostructures Grown by metal displacement deposition into anodic alumina membranes

2011

Abstract preview not available - see full-text PDF article.

lcsh:Computer engineering. Computer hardwareSettore ING-IND/23 - Chimica Fisica ApplicataComputingMethodologies_DOCUMENTANDTEXTPROCESSINGlcsh:TP155-156lcsh:TK7885-7895lcsh:Chemical engineeringnanowires nanotubes anodic alumina membranes template synthesis cementationComputingMilieux_MISCELLANEOUSComputingMethodologies_COMPUTERGRAPHICSANODIC ALUMINA MEMBRANES TEMPLATE SUNTHESYS CEMENTATION NANOTUBES NANOWIRES
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