SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2

SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2

The spectroelectrochemical properties of a conducting polymer derived from Co(II) tetra-3-amino-phenyl-porphyrin,(poly-Co(II)-TAPP) were studied towards the electrochemical reduction of CO2 on ITO surface. Under inert atmosphere, the results show that the polymer present a stable Co(I) oxidation state only in basic pH while in more acidic solution this Co(I) does not stabilize. Under CO2 atmosphere the reduced polymer forms a stable adduct with no clear electronic localization. The formation and the stability of this adduct could explain the wide distribution of reaction products

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Main Authors: DREYSE,PAULINA, RAMIREZ,GALO, RIQUELME,ANDREA, ISAACS,MAURICIO
Format: Digital revista
Language:English
Published: Sociedad Chilena de Química 2006
Online Access:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072006000200017
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spelling oai:scielo:S0717-970720060002000172006-06-30SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2DREYSE,PAULINARAMIREZ,GALORIQUELME,ANDREAISAACS,MAURICIO electrochemical reduction of carbon dioxide porphyrins conducting polymers The spectroelectrochemical properties of a conducting polymer derived from Co(II) tetra-3-amino-phenyl-porphyrin,(poly-Co(II)-TAPP) were studied towards the electrochemical reduction of CO2 on ITO surface. Under inert atmosphere, the results show that the polymer present a stable Co(I) oxidation state only in basic pH while in more acidic solution this Co(I) does not stabilize. Under CO2 atmosphere the reduced polymer forms a stable adduct with no clear electronic localization. The formation and the stability of this adduct could explain the wide distribution of reaction productsinfo:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.51 n.2 20062006-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072006000200017en10.4067/S0717-97072006000200017
institution SCIELO
collection OJS
country Chile
countrycode CL
component Revista
access En linea
databasecode rev-scielo-cl
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author DREYSE,PAULINA
RAMIREZ,GALO
RIQUELME,ANDREA
ISAACS,MAURICIO
spellingShingle DREYSE,PAULINA
RAMIREZ,GALO
RIQUELME,ANDREA
ISAACS,MAURICIO
SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
author_facet DREYSE,PAULINA
RAMIREZ,GALO
RIQUELME,ANDREA
ISAACS,MAURICIO
author_sort DREYSE,PAULINA
title SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
title_short SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
title_full SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
title_fullStr SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
title_full_unstemmed SPECTROELECTROCHEMICAL STUDIES ON ITO MODIFIED ELECTRODES WITH A CONDUCTING COBALT (II) MACROCYCLE FILM IN THE ELECTROCHEMICAL REDUCTION OF CO2
title_sort spectroelectrochemical studies on ito modified electrodes with a conducting cobalt (ii) macrocycle film in the electrochemical reduction of co2
description The spectroelectrochemical properties of a conducting polymer derived from Co(II) tetra-3-amino-phenyl-porphyrin,(poly-Co(II)-TAPP) were studied towards the electrochemical reduction of CO2 on ITO surface. Under inert atmosphere, the results show that the polymer present a stable Co(I) oxidation state only in basic pH while in more acidic solution this Co(I) does not stabilize. Under CO2 atmosphere the reduced polymer forms a stable adduct with no clear electronic localization. The formation and the stability of this adduct could explain the wide distribution of reaction products
publisher Sociedad Chilena de Química
publishDate 2006
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072006000200017
work_keys_str_mv AT dreysepaulina spectroelectrochemicalstudiesonitomodifiedelectrodeswithaconductingcobaltiimacrocyclefilmintheelectrochemicalreductionofco2
AT ramirezgalo spectroelectrochemicalstudiesonitomodifiedelectrodeswithaconductingcobaltiimacrocyclefilmintheelectrochemicalreductionofco2
AT riquelmeandrea spectroelectrochemicalstudiesonitomodifiedelectrodeswithaconductingcobaltiimacrocyclefilmintheelectrochemicalreductionofco2
AT isaacsmauricio spectroelectrochemicalstudiesonitomodifiedelectrodeswithaconductingcobaltiimacrocyclefilmintheelectrochemicalreductionofco2
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