Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films

Detalhes bibliográficos
Autor(a) principal: Matsumoto,Marcio Y.
Data de Publicação: 2009
Outros Autores: Toyama,Marcos M., Mayer,Ildemar, Winnischofer,Herbert, Araki,Koiti, Toma,Henrique E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Journal of the Brazilian Chemical Society (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000400016
Resumo: A new tetraruthenated copper(II)-tetra(3,4-pyridyl)porphyrazine species, [CuTRPyPz]4+, has been synthesized and fully characterized by means of analytical, spectroscopic and electrochemical techniques. This À-conjugated system contrasts with the related meso-tetrapyridylporphyrins by exhibiting strong electronic interaction between the coordinated peripheral complexes and the central ring. Based on favorable À-stacking and electrostatic interactions, layer-by-layer assembled films were successfully generated from the appropriate combination of [CuTRPyPz]4+ with copper(II)-tetrasulfonated phtalocyanine, [CuTSPc]4-. Their conducting and electrocatalytic properties were investigated by means of impedance spectroscopy and rotating disc voltammetry, exhibiting metallic behavior near the Ru(III/II) redox potential, as well as enhanced catalytic activity for the oxidation of nitrite and sulphite ions.
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spelling Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine filmsmolecular conductorsporphyrazinesruthenium polypyridinesthin filmselectrocatalysisA new tetraruthenated copper(II)-tetra(3,4-pyridyl)porphyrazine species, [CuTRPyPz]4+, has been synthesized and fully characterized by means of analytical, spectroscopic and electrochemical techniques. This À-conjugated system contrasts with the related meso-tetrapyridylporphyrins by exhibiting strong electronic interaction between the coordinated peripheral complexes and the central ring. Based on favorable À-stacking and electrostatic interactions, layer-by-layer assembled films were successfully generated from the appropriate combination of [CuTRPyPz]4+ with copper(II)-tetrasulfonated phtalocyanine, [CuTSPc]4-. Their conducting and electrocatalytic properties were investigated by means of impedance spectroscopy and rotating disc voltammetry, exhibiting metallic behavior near the Ru(III/II) redox potential, as well as enhanced catalytic activity for the oxidation of nitrite and sulphite ions.Sociedade Brasileira de Química2009-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000400016Journal of the Brazilian Chemical Society v.20 n.4 2009reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50532009000400016info:eu-repo/semantics/openAccessMatsumoto,Marcio Y.Toyama,Marcos M.Mayer,IldemarWinnischofer,HerbertAraki,KoitiToma,Henrique E.eng2009-06-10T00:00:00Zoai:scielo:S0103-50532009000400016Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2009-06-10T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
title Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
spellingShingle Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
Matsumoto,Marcio Y.
molecular conductors
porphyrazines
ruthenium polypyridines
thin films
electrocatalysis
title_short Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
title_full Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
title_fullStr Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
title_full_unstemmed Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
title_sort Electronic conduction and electrocatalysis by supramolecular tetraruthenated copper porphyrazine films
author Matsumoto,Marcio Y.
author_facet Matsumoto,Marcio Y.
Toyama,Marcos M.
Mayer,Ildemar
Winnischofer,Herbert
Araki,Koiti
Toma,Henrique E.
author_role author
author2 Toyama,Marcos M.
Mayer,Ildemar
Winnischofer,Herbert
Araki,Koiti
Toma,Henrique E.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Matsumoto,Marcio Y.
Toyama,Marcos M.
Mayer,Ildemar
Winnischofer,Herbert
Araki,Koiti
Toma,Henrique E.
dc.subject.por.fl_str_mv molecular conductors
porphyrazines
ruthenium polypyridines
thin films
electrocatalysis
topic molecular conductors
porphyrazines
ruthenium polypyridines
thin films
electrocatalysis
description A new tetraruthenated copper(II)-tetra(3,4-pyridyl)porphyrazine species, [CuTRPyPz]4+, has been synthesized and fully characterized by means of analytical, spectroscopic and electrochemical techniques. This À-conjugated system contrasts with the related meso-tetrapyridylporphyrins by exhibiting strong electronic interaction between the coordinated peripheral complexes and the central ring. Based on favorable À-stacking and electrostatic interactions, layer-by-layer assembled films were successfully generated from the appropriate combination of [CuTRPyPz]4+ with copper(II)-tetrasulfonated phtalocyanine, [CuTSPc]4-. Their conducting and electrocatalytic properties were investigated by means of impedance spectroscopy and rotating disc voltammetry, exhibiting metallic behavior near the Ru(III/II) redox potential, as well as enhanced catalytic activity for the oxidation of nitrite and sulphite ions.
publishDate 2009
dc.date.none.fl_str_mv 2009-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000400016
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532009000400016
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0103-50532009000400016
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Journal of the Brazilian Chemical Society v.20 n.4 2009
reponame:Journal of the Brazilian Chemical Society (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Journal of the Brazilian Chemical Society (Online)
collection Journal of the Brazilian Chemical Society (Online)
repository.name.fl_str_mv Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv ||office@jbcs.sbq.org.br
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