Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid
- Autores
- Melchionna, Michele; Bracamonte, Maria Victoria; Giuliani, Angela; Nasi, Lucia; Montini, Tiziano; Tavagnacco, Claudio; Bonchio, Marcella; Fornasiero, P; Prato, Maurizio
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Direct conversion of carbon dioxide to formic acid at thermodynamic equilibrium is an advantage of enzymatic catalysis, hardly replicated by synthetic analogs, but of high priority for carbon-neutral energy schemes. The bio-mimetic potential of totally inorganic Pd@TiO2 nanoparticles is envisioned herein in combination with Single Walled Carbon NanoHorns (SWCNHs). The high surface nano-carbon entanglement templates a wide distribution of "hard-soft" bimetallic sites where the small Pd nanoparticles (1.5 nm) are shielded within the TiO2 phase (Pd@TiO2), while being electrically wired to the electrode by the nanocarbon support. This hybrid electrocatalyst activates CO2 reduction to formic acid at near zero overpotential in the aqueous phase (onset potential at E < -0.05 V vs. RHE, pH = 7.4), while being able to evolve hydrogen via sequential formic acid dehydrogenation. The net result hints at a unique CO2 "circular catalysis" where formic acid versus H2 selectivity is addressable by flow-reactor technology.
Fil: Melchionna, Michele. Università degli Studi di Trieste; Italia
Fil: Bracamonte, Maria Victoria. Università degli Studi di Trieste; Italia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
Fil: Giuliani, Angela. Università degli Studi di Trieste; Italia
Fil: Nasi, Lucia. Istituto Dei Materiali Per L'elettronica Ed Il Magnetismo; Italia
Fil: Montini, Tiziano. Università degli Studi di Trieste; Italia
Fil: Tavagnacco, Claudio. Università degli Studi di Trieste; Italia
Fil: Bonchio, Marcella. Università di Padova; Italia
Fil: Fornasiero, P. Università degli Studi di Trieste; Italia
Fil: Prato, Maurizio. Università degli Studi di Trieste; Italia - Materia
-
PD NANOPARTICLES
CARBON NANOHORNS
CO2 REDUCTION - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/91195
Ver los metadatos del registro completo
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Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acidMelchionna, MicheleBracamonte, Maria VictoriaGiuliani, AngelaNasi, LuciaMontini, TizianoTavagnacco, ClaudioBonchio, MarcellaFornasiero, PPrato, MaurizioPD NANOPARTICLESCARBON NANOHORNSCO2 REDUCTIONhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Direct conversion of carbon dioxide to formic acid at thermodynamic equilibrium is an advantage of enzymatic catalysis, hardly replicated by synthetic analogs, but of high priority for carbon-neutral energy schemes. The bio-mimetic potential of totally inorganic Pd@TiO2 nanoparticles is envisioned herein in combination with Single Walled Carbon NanoHorns (SWCNHs). The high surface nano-carbon entanglement templates a wide distribution of "hard-soft" bimetallic sites where the small Pd nanoparticles (1.5 nm) are shielded within the TiO2 phase (Pd@TiO2), while being electrically wired to the electrode by the nanocarbon support. This hybrid electrocatalyst activates CO2 reduction to formic acid at near zero overpotential in the aqueous phase (onset potential at E < -0.05 V vs. RHE, pH = 7.4), while being able to evolve hydrogen via sequential formic acid dehydrogenation. The net result hints at a unique CO2 "circular catalysis" where formic acid versus H2 selectivity is addressable by flow-reactor technology.Fil: Melchionna, Michele. Università degli Studi di Trieste; ItaliaFil: Bracamonte, Maria Victoria. Università degli Studi di Trieste; Italia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; ArgentinaFil: Giuliani, Angela. Università degli Studi di Trieste; ItaliaFil: Nasi, Lucia. Istituto Dei Materiali Per L'elettronica Ed Il Magnetismo; ItaliaFil: Montini, Tiziano. Università degli Studi di Trieste; ItaliaFil: Tavagnacco, Claudio. Università degli Studi di Trieste; ItaliaFil: Bonchio, Marcella. Università di Padova; ItaliaFil: Fornasiero, P. Università degli Studi di Trieste; ItaliaFil: Prato, Maurizio. Università degli Studi di Trieste; ItaliaRoyal Society of Chemistry2018-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/91195Melchionna, Michele; Bracamonte, Maria Victoria; Giuliani, Angela; Nasi, Lucia; Montini, Tiziano; et al.; Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid; Royal Society of Chemistry; Energy & Environmental Science; 11; 6; 6-2018; 1571-15801754-56921754-5706CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2018/EE/C7EE03361Cinfo:eu-repo/semantics/altIdentifier/doi/10.1039/C7EE03361Cinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:54:33Zoai:ri.conicet.gov.ar:11336/91195instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:54:33.431CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
title |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
spellingShingle |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid Melchionna, Michele PD NANOPARTICLES CARBON NANOHORNS CO2 REDUCTION |
title_short |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
title_full |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
title_fullStr |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
title_full_unstemmed |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
title_sort |
Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid |
dc.creator.none.fl_str_mv |
Melchionna, Michele Bracamonte, Maria Victoria Giuliani, Angela Nasi, Lucia Montini, Tiziano Tavagnacco, Claudio Bonchio, Marcella Fornasiero, P Prato, Maurizio |
author |
Melchionna, Michele |
author_facet |
Melchionna, Michele Bracamonte, Maria Victoria Giuliani, Angela Nasi, Lucia Montini, Tiziano Tavagnacco, Claudio Bonchio, Marcella Fornasiero, P Prato, Maurizio |
author_role |
author |
author2 |
Bracamonte, Maria Victoria Giuliani, Angela Nasi, Lucia Montini, Tiziano Tavagnacco, Claudio Bonchio, Marcella Fornasiero, P Prato, Maurizio |
author2_role |
author author author author author author author author |
dc.subject.none.fl_str_mv |
PD NANOPARTICLES CARBON NANOHORNS CO2 REDUCTION |
topic |
PD NANOPARTICLES CARBON NANOHORNS CO2 REDUCTION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Direct conversion of carbon dioxide to formic acid at thermodynamic equilibrium is an advantage of enzymatic catalysis, hardly replicated by synthetic analogs, but of high priority for carbon-neutral energy schemes. The bio-mimetic potential of totally inorganic Pd@TiO2 nanoparticles is envisioned herein in combination with Single Walled Carbon NanoHorns (SWCNHs). The high surface nano-carbon entanglement templates a wide distribution of "hard-soft" bimetallic sites where the small Pd nanoparticles (1.5 nm) are shielded within the TiO2 phase (Pd@TiO2), while being electrically wired to the electrode by the nanocarbon support. This hybrid electrocatalyst activates CO2 reduction to formic acid at near zero overpotential in the aqueous phase (onset potential at E < -0.05 V vs. RHE, pH = 7.4), while being able to evolve hydrogen via sequential formic acid dehydrogenation. The net result hints at a unique CO2 "circular catalysis" where formic acid versus H2 selectivity is addressable by flow-reactor technology. Fil: Melchionna, Michele. Università degli Studi di Trieste; Italia Fil: Bracamonte, Maria Victoria. Università degli Studi di Trieste; Italia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina Fil: Giuliani, Angela. Università degli Studi di Trieste; Italia Fil: Nasi, Lucia. Istituto Dei Materiali Per L'elettronica Ed Il Magnetismo; Italia Fil: Montini, Tiziano. Università degli Studi di Trieste; Italia Fil: Tavagnacco, Claudio. Università degli Studi di Trieste; Italia Fil: Bonchio, Marcella. Università di Padova; Italia Fil: Fornasiero, P. Università degli Studi di Trieste; Italia Fil: Prato, Maurizio. Università degli Studi di Trieste; Italia |
description |
Direct conversion of carbon dioxide to formic acid at thermodynamic equilibrium is an advantage of enzymatic catalysis, hardly replicated by synthetic analogs, but of high priority for carbon-neutral energy schemes. The bio-mimetic potential of totally inorganic Pd@TiO2 nanoparticles is envisioned herein in combination with Single Walled Carbon NanoHorns (SWCNHs). The high surface nano-carbon entanglement templates a wide distribution of "hard-soft" bimetallic sites where the small Pd nanoparticles (1.5 nm) are shielded within the TiO2 phase (Pd@TiO2), while being electrically wired to the electrode by the nanocarbon support. This hybrid electrocatalyst activates CO2 reduction to formic acid at near zero overpotential in the aqueous phase (onset potential at E < -0.05 V vs. RHE, pH = 7.4), while being able to evolve hydrogen via sequential formic acid dehydrogenation. The net result hints at a unique CO2 "circular catalysis" where formic acid versus H2 selectivity is addressable by flow-reactor technology. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/91195 Melchionna, Michele; Bracamonte, Maria Victoria; Giuliani, Angela; Nasi, Lucia; Montini, Tiziano; et al.; Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid; Royal Society of Chemistry; Energy & Environmental Science; 11; 6; 6-2018; 1571-1580 1754-5692 1754-5706 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/91195 |
identifier_str_mv |
Melchionna, Michele; Bracamonte, Maria Victoria; Giuliani, Angela; Nasi, Lucia; Montini, Tiziano; et al.; Pd@TiO2/carbon nanohorn electrocatalysts: Reversible CO2 hydrogenation to formic acid; Royal Society of Chemistry; Energy & Environmental Science; 11; 6; 6-2018; 1571-1580 1754-5692 1754-5706 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://pubs.rsc.org/en/Content/ArticleLanding/2018/EE/C7EE03361C info:eu-repo/semantics/altIdentifier/doi/10.1039/C7EE03361C |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Royal Society of Chemistry |
publisher.none.fl_str_mv |
Royal Society of Chemistry |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613656109645824 |
score |
13.070432 |