Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films

Francesco Di Quarto; Viviana Figa'; Monica Santamaria; null Di Quarto; null Santamaria; Patrizia Bocchetta

Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films

Francesco Di Quarto, Viviana Figa', Monica Santamaria, Di Quarto, Santamaria, Patrizia Bocchetta

Risultato della ricerca: Article › peer review

Abstract

Polypyrrole film was photoelectrochemically grown on insulating Ta2O5 anodic film in acetonitrile solution. A characterization byphotocurrent spectroscopy PCS of metal/oxide/polypyrrole interface was carried out. The PCS results suggest that a metallic-likePPy is formed under illumination at constant anodic potential. By polarizing the polypyrrole at cathodic potentials a photocurrentspectrum typical of p-type semiconducting film was recorded. A scanning electron microscopy study of PPy surfaces solution sideand oxide side allowed us to obtain information on the morphology of the polymer as well as a rough estimate of the film thicknessand of the diameter of PPy globules at the two interfaces.

Lingua originale	English
pagine (da-a)	H305-H308
Numero di pagine	4
Rivista	Electrochemical and Solid-State Letters
Volume	10
Stato di pubblicazione	Published - 2007

All Science Journal Classification (ASJC) codes

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title = "Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films",

abstract = "Polypyrrole film was photoelectrochemically grown on insulating Ta2O5 anodic film in acetonitrile solution. A characterization byphotocurrent spectroscopy PCS of metal/oxide/polypyrrole interface was carried out. The PCS results suggest that a metallic-likePPy is formed under illumination at constant anodic potential. By polarizing the polypyrrole at cathodic potentials a photocurrentspectrum typical of p-type semiconducting film was recorded. A scanning electron microscopy study of PPy surfaces solution sideand oxide side allowed us to obtain information on the morphology of the polymer as well as a rough estimate of the film thicknessand of the diameter of PPy globules at the two interfaces.",

keywords = "CONDUCTING POLYMERS, FIELD-EFFECT TRANSISTORS, GENERATION, METALS, OXIDATION, TANTALUM, THICKNESS, CONDUCTING POLYMERS, FIELD-EFFECT TRANSISTORS, GENERATION, METALS, OXIDATION, TANTALUM, THICKNESS",

author = "{Di Quarto}, Francesco and Viviana Figa' and Monica Santamaria and {Di Quarto} and Santamaria and Patrizia Bocchetta",

year = "2007",

language = "English",

volume = "10",

pages = "H305--H308",

journal = "Electrochemical and Solid-State Letters",

issn = "1099-0062",

publisher = "Electrochemical Society, Inc.",

}

TY - JOUR

T1 - Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films

AU - Di Quarto, Francesco

AU - Figa', Viviana

AU - Santamaria, Monica

AU - Di Quarto, null

AU - Santamaria, null

AU - Bocchetta, Patrizia

PY - 2007

Y1 - 2007

N2 - Polypyrrole film was photoelectrochemically grown on insulating Ta2O5 anodic film in acetonitrile solution. A characterization byphotocurrent spectroscopy PCS of metal/oxide/polypyrrole interface was carried out. The PCS results suggest that a metallic-likePPy is formed under illumination at constant anodic potential. By polarizing the polypyrrole at cathodic potentials a photocurrentspectrum typical of p-type semiconducting film was recorded. A scanning electron microscopy study of PPy surfaces solution sideand oxide side allowed us to obtain information on the morphology of the polymer as well as a rough estimate of the film thicknessand of the diameter of PPy globules at the two interfaces.

AB - Polypyrrole film was photoelectrochemically grown on insulating Ta2O5 anodic film in acetonitrile solution. A characterization byphotocurrent spectroscopy PCS of metal/oxide/polypyrrole interface was carried out. The PCS results suggest that a metallic-likePPy is formed under illumination at constant anodic potential. By polarizing the polypyrrole at cathodic potentials a photocurrentspectrum typical of p-type semiconducting film was recorded. A scanning electron microscopy study of PPy surfaces solution sideand oxide side allowed us to obtain information on the morphology of the polymer as well as a rough estimate of the film thicknessand of the diameter of PPy globules at the two interfaces.

KW - CONDUCTING POLYMERS

KW - FIELD-EFFECT TRANSISTORS

KW - GENERATION

KW - METALS

KW - OXIDATION

KW - TANTALUM

KW - THICKNESS

KW - CONDUCTING POLYMERS

KW - FIELD-EFFECT TRANSISTORS

KW - GENERATION

KW - METALS

KW - OXIDATION

KW - TANTALUM

KW - THICKNESS

UR - http://hdl.handle.net/10447/16669

M3 - Article

SN - 1099-0062

VL - 10

SP - H305-H308

JO - Electrochemical and Solid-State Letters

JF - Electrochemical and Solid-State Letters

ER -

Photoelectrochemical Synthesis of Polypyrrole on Anodic Ta2O5 Films

Abstract

All Science Journal Classification (ASJC) codes

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