Search results for " Impedance spectroscopy"

showing 10 items of 58 documents

Tuning of the optical and dielectric properties of anodic film on sputtered deposited Ta-Nb alloys

2011

Settore ING-IND/23 - Chimica Fisica ApplicataAnodic Film Ta-Nb alloys Photoelectrochemistry Electrochemical Impedance Spectroscopy
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Chitosan-heteropolyacid complex as high performance membranes for low temperature H2-O2 fuel cell

2014

Settore ING-IND/23 - Chimica Fisica ApplicataChitosan-heteropolyacid complex high performance membranes low temperature H2-O2 fuel cell PEMFC Electrochemical Impedance Spectroscopy XRD SEM EDX
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Electrochemical fabrication of Cu2O/TiO2 nanotubes junctions with visible light photoactivity

2013

Settore ING-IND/23 - Chimica Fisica ApplicataElectrochemical fabrication Cu2O/TiO2 nanotubes junctions visible light photoactivity Photocurrent Spectroscopy Electrochemical Impedance Spectroscopy
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Hybrid organic-inorganic membranes for low temperature H2-O2 fuel cell

2014

Settore ING-IND/23 - Chimica Fisica ApplicataHybrid organic-inorganic membranes low temperature H2-O2 fuel cell electrochemical impedance spectroscopy polarization curves XRD SEM EDX
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Effect of Incorporation of Foreign Species on the Solid State Properties of Anodic Films on Ti

2014

Settore ING-IND/23 - Chimica Fisica ApplicataIncorporation of Foreign Species Solid State Properties Anodic Films on Ti Photoelectrochemistry Electrochemical Impedance Spectroscopy
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PVA-based acidic hydrogel electrolyte

2011

Settore ING-IND/23 - Chimica Fisica ApplicataPVA HYDROGEL IMPEDANCE SPECTROSCOPY ELECTROLYTE
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Physicochemical Characterization of anodic film on Titanium prepared by Pedeferri’s Treatment.

2013

Settore ING-IND/23 - Chimica Fisica ApplicataPhysicochemical Characterization Photocurrent Spectroscopy Electrochemical Impedance Spectroscopy anodic film Titanium Pedeferri’s Treatment.
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Characterization of Thin Passive Film-Electrolyte Junctions.The Amorphous Semiconductor (a-SC) Schottky Barrier Approach

2016

The knowledge of the solid-state properties of passive film is a preliminary task for a full understanding of the electron and ion transfer processes at the metal/oxide and oxide/electrolyte interface. Both processes are of paramount importance in determining the mechanism of film growth and dissolution as well as in determining the nature of the breakdown during the growth of anodic oxide films or the onset of generalized or localized corrosion process (1-2). With very few exceptions, it is a common belief, that most of anodic oxide films, grown on metals and alloys in aqueous solutions, display a semiconducting or insulating behaviour. It is also very well known that in many cases the ini…

Settore ING-IND/23 - Chimica Fisica ApplicataThin Passive Films Electrochemical Impedance Spectroscopy Amorphous Semiconductor (a-SC) Schottky Barrier Theory Corrosion Passivity
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Tuning of solid state properties of Al-Ta mixed oxides

2014

Settore ING-IND/23 - Chimica Fisica Applicatasolid state properties Al-Ta mixed oxides Photoelectrochemistry Electrochemical Impedance Spectroscopy
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A critical analysis of the theory of amorphous semiconductor Schottky barrier for oxides

2014

Settore ING-IND/23 - Chimica Fisica Applicatatheory of amorphous semiconductor Schottky barrier oxides electrochemical impedance spectroscopy
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