Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method
- Autores
- Armendáriz, Víctor Rolando R.; Martins, Cauê A.; Troiani, Horacio; de Oliveira, L.; Stropa, Jusinei Meireles; Camara, Giuseppe A.; Martins, María Elisa; Fernández, Pablo Sebastián
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Carbon-supported platinum nanoparticles Pt/C (NPs) are used in many fields of science. These kinds of materials have been extensively studied in electrochemistry due to the fact that they are applied in fuel cell technology. Although there are a myriad of methods for Pt NP synthesis, the need for obtaining Pt/C NPs with a good dispersion (covering over the entire support), a narrow size distribution, and clean surface (among other parameters) is far to be overcome. On this sense herein we describe a very easy and quick method of synthesis of highly dispersed Pt NPs followed by a simple electrochemical cleaning step. The catalysts were electrochemically characterized by studying their behavior in 0.5 M H2SO4 and also by using CO as a probe during the CO electro-oxidation reaction (COEOR). This paper shows how to obtain highly dispersed and clean Pt/C NPs that produce very reproducible results. Besides, we demonstrate how the presence of impurities negatively affects the electrochemical reproducibility of Pt NPs with a clear impact on their catalytic activity.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas - Materia
-
Química
Platinum nanoparticles
Microwave-assisted synthesis
Cleaning process
Agglomeration of nanoparticles
Active surface area
CO probe - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/133107
Ver los metadatos del registro completo
id |
SEDICI_f84187071eaa923e105e1c68f05fb234 |
---|---|
oai_identifier_str |
oai:sedici.unlp.edu.ar:10915/133107 |
network_acronym_str |
SEDICI |
repository_id_str |
1329 |
network_name_str |
SEDICI (UNLP) |
spelling |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted MethodArmendáriz, Víctor Rolando R.Martins, Cauê A.Troiani, Horaciode Oliveira, L.Stropa, Jusinei MeirelesCamara, Giuseppe A.Martins, María ElisaFernández, Pablo SebastiánQuímicaPlatinum nanoparticlesMicrowave-assisted synthesisCleaning processAgglomeration of nanoparticlesActive surface areaCO probeCarbon-supported platinum nanoparticles Pt/C (NPs) are used in many fields of science. These kinds of materials have been extensively studied in electrochemistry due to the fact that they are applied in fuel cell technology. Although there are a myriad of methods for Pt NP synthesis, the need for obtaining Pt/C NPs with a good dispersion (covering over the entire support), a narrow size distribution, and clean surface (among other parameters) is far to be overcome. On this sense herein we describe a very easy and quick method of synthesis of highly dispersed Pt NPs followed by a simple electrochemical cleaning step. The catalysts were electrochemically characterized by studying their behavior in 0.5 M H<sub>2</sub>SO<sub>4</sub> and also by using CO as a probe during the CO electro-oxidation reaction (COEOR). This paper shows how to obtain highly dispersed and clean Pt/C NPs that produce very reproducible results. Besides, we demonstrate how the presence of impurities negatively affects the electrochemical reproducibility of Pt NPs with a clear impact on their catalytic activity.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas2014-03-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf279-287http://sedici.unlp.edu.ar/handle/10915/133107enginfo:eu-repo/semantics/altIdentifier/issn/1868-2529info:eu-repo/semantics/altIdentifier/issn/1868-5994info:eu-repo/semantics/altIdentifier/doi/10.1007/s12678-014-0194-1info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:31:43Zoai:sedici.unlp.edu.ar:10915/133107Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:31:43.449SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
title |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
spellingShingle |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method Armendáriz, Víctor Rolando R. Química Platinum nanoparticles Microwave-assisted synthesis Cleaning process Agglomeration of nanoparticles Active surface area CO probe |
title_short |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
title_full |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
title_fullStr |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
title_full_unstemmed |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
title_sort |
Obtaining Clean and Well-dispersed Pt NPs with a Microwave-assisted Method |
dc.creator.none.fl_str_mv |
Armendáriz, Víctor Rolando R. Martins, Cauê A. Troiani, Horacio de Oliveira, L. Stropa, Jusinei Meireles Camara, Giuseppe A. Martins, María Elisa Fernández, Pablo Sebastián |
author |
Armendáriz, Víctor Rolando R. |
author_facet |
Armendáriz, Víctor Rolando R. Martins, Cauê A. Troiani, Horacio de Oliveira, L. Stropa, Jusinei Meireles Camara, Giuseppe A. Martins, María Elisa Fernández, Pablo Sebastián |
author_role |
author |
author2 |
Martins, Cauê A. Troiani, Horacio de Oliveira, L. Stropa, Jusinei Meireles Camara, Giuseppe A. Martins, María Elisa Fernández, Pablo Sebastián |
author2_role |
author author author author author author author |
dc.subject.none.fl_str_mv |
Química Platinum nanoparticles Microwave-assisted synthesis Cleaning process Agglomeration of nanoparticles Active surface area CO probe |
topic |
Química Platinum nanoparticles Microwave-assisted synthesis Cleaning process Agglomeration of nanoparticles Active surface area CO probe |
dc.description.none.fl_txt_mv |
Carbon-supported platinum nanoparticles Pt/C (NPs) are used in many fields of science. These kinds of materials have been extensively studied in electrochemistry due to the fact that they are applied in fuel cell technology. Although there are a myriad of methods for Pt NP synthesis, the need for obtaining Pt/C NPs with a good dispersion (covering over the entire support), a narrow size distribution, and clean surface (among other parameters) is far to be overcome. On this sense herein we describe a very easy and quick method of synthesis of highly dispersed Pt NPs followed by a simple electrochemical cleaning step. The catalysts were electrochemically characterized by studying their behavior in 0.5 M H<sub>2</sub>SO<sub>4</sub> and also by using CO as a probe during the CO electro-oxidation reaction (COEOR). This paper shows how to obtain highly dispersed and clean Pt/C NPs that produce very reproducible results. Besides, we demonstrate how the presence of impurities negatively affects the electrochemical reproducibility of Pt NPs with a clear impact on their catalytic activity. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas |
description |
Carbon-supported platinum nanoparticles Pt/C (NPs) are used in many fields of science. These kinds of materials have been extensively studied in electrochemistry due to the fact that they are applied in fuel cell technology. Although there are a myriad of methods for Pt NP synthesis, the need for obtaining Pt/C NPs with a good dispersion (covering over the entire support), a narrow size distribution, and clean surface (among other parameters) is far to be overcome. On this sense herein we describe a very easy and quick method of synthesis of highly dispersed Pt NPs followed by a simple electrochemical cleaning step. The catalysts were electrochemically characterized by studying their behavior in 0.5 M H<sub>2</sub>SO<sub>4</sub> and also by using CO as a probe during the CO electro-oxidation reaction (COEOR). This paper shows how to obtain highly dispersed and clean Pt/C NPs that produce very reproducible results. Besides, we demonstrate how the presence of impurities negatively affects the electrochemical reproducibility of Pt NPs with a clear impact on their catalytic activity. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-03-20 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo 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://sedici.unlp.edu.ar/handle/10915/133107 |
url |
http://sedici.unlp.edu.ar/handle/10915/133107 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/issn/1868-2529 info:eu-repo/semantics/altIdentifier/issn/1868-5994 info:eu-repo/semantics/altIdentifier/doi/10.1007/s12678-014-0194-1 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
dc.format.none.fl_str_mv |
application/pdf 279-287 |
dc.source.none.fl_str_mv |
reponame:SEDICI (UNLP) instname:Universidad Nacional de La Plata instacron:UNLP |
reponame_str |
SEDICI (UNLP) |
collection |
SEDICI (UNLP) |
instname_str |
Universidad Nacional de La Plata |
instacron_str |
UNLP |
institution |
UNLP |
repository.name.fl_str_mv |
SEDICI (UNLP) - Universidad Nacional de La Plata |
repository.mail.fl_str_mv |
alira@sedici.unlp.edu.ar |
_version_ |
1844616197135400960 |
score |
13.070432 |