Photocatalytic activity of TiO2 thin films deposited by cathodic arc
- Autores
- Kleiman, Ariel Javier; Marquez, Adriana Beatriz; Vera, Maria Laura; Meichtry, Jorge Martin; Litter, Marta Irene
- Año de publicación
- 2011
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In this work, the photocatalytic activity and the kinetic behavior of anatase TiO2 films deposited by cathodic arc (CA films) on glass substrates is reported and compared with TiO2 Degussa P-25 films obtained by dip-coating immersion. The mass density of films, determined by X-ray reflectometry, allowed the assessment of the porosity of samples. The activity was evaluated from the efficiency to reduce Cr(VI) in the presence of EDTA. Although the response of CA films resulted lower compared with that of P-25 films (a fact associated to a lower porosity), adhesion properties of the new materials were much better. CA film photoactivity improved by increasing the coating thickness. These photocatalysts, whose preparation is simple and affordable, are very promising to be used as immobilized materials in photoreactors for the treatment of pollutants not only in the gas phase but also in aqueous systems.
Fil: Kleiman, Ariel Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina
Fil: Marquez, Adriana Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina
Fil: Vera, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina
Fil: Meichtry, Jorge Martin. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
Fil: Litter, Marta Irene. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina. Universidad Nacional de San Martín; Argentina - Materia
-
Titanium Dioxide
Thin Films
Cathodic Arc
Photocatalysis - 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:11336/67924
Ver los metadatos del registro completo
id |
CONICETDig_9c7f280bc0f8f66a4350a2575204affa |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/67924 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Photocatalytic activity of TiO2 thin films deposited by cathodic arcKleiman, Ariel JavierMarquez, Adriana BeatrizVera, Maria LauraMeichtry, Jorge MartinLitter, Marta IreneTitanium DioxideThin FilmsCathodic ArcPhotocatalysishttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1In this work, the photocatalytic activity and the kinetic behavior of anatase TiO2 films deposited by cathodic arc (CA films) on glass substrates is reported and compared with TiO2 Degussa P-25 films obtained by dip-coating immersion. The mass density of films, determined by X-ray reflectometry, allowed the assessment of the porosity of samples. The activity was evaluated from the efficiency to reduce Cr(VI) in the presence of EDTA. Although the response of CA films resulted lower compared with that of P-25 films (a fact associated to a lower porosity), adhesion properties of the new materials were much better. CA film photoactivity improved by increasing the coating thickness. These photocatalysts, whose preparation is simple and affordable, are very promising to be used as immobilized materials in photoreactors for the treatment of pollutants not only in the gas phase but also in aqueous systems.Fil: Kleiman, Ariel Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; ArgentinaFil: Marquez, Adriana Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; ArgentinaFil: Vera, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; ArgentinaFil: Meichtry, Jorge Martin. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; ArgentinaFil: Litter, Marta Irene. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina. Universidad Nacional de San Martín; ArgentinaElsevier Science2011-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/67924Kleiman, Ariel Javier; Marquez, Adriana Beatriz; Vera, Maria Laura; Meichtry, Jorge Martin; Litter, Marta Irene; Photocatalytic activity of TiO2 thin films deposited by cathodic arc; Elsevier Science; Applied Catalysis B: Environmental; 101; 1-2011; 676-6810926-3373CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0926337310004972info:eu-repo/semantics/altIdentifier/doi/10.1016/j.apcatb.2010.11.009info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:04:31Zoai:ri.conicet.gov.ar:11336/67924instacron: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 10:04:31.341CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
title |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
spellingShingle |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc Kleiman, Ariel Javier Titanium Dioxide Thin Films Cathodic Arc Photocatalysis |
title_short |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
title_full |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
title_fullStr |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
title_full_unstemmed |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
title_sort |
Photocatalytic activity of TiO2 thin films deposited by cathodic arc |
dc.creator.none.fl_str_mv |
Kleiman, Ariel Javier Marquez, Adriana Beatriz Vera, Maria Laura Meichtry, Jorge Martin Litter, Marta Irene |
author |
Kleiman, Ariel Javier |
author_facet |
Kleiman, Ariel Javier Marquez, Adriana Beatriz Vera, Maria Laura Meichtry, Jorge Martin Litter, Marta Irene |
author_role |
author |
author2 |
Marquez, Adriana Beatriz Vera, Maria Laura Meichtry, Jorge Martin Litter, Marta Irene |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Titanium Dioxide Thin Films Cathodic Arc Photocatalysis |
topic |
Titanium Dioxide Thin Films Cathodic Arc Photocatalysis |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
In this work, the photocatalytic activity and the kinetic behavior of anatase TiO2 films deposited by cathodic arc (CA films) on glass substrates is reported and compared with TiO2 Degussa P-25 films obtained by dip-coating immersion. The mass density of films, determined by X-ray reflectometry, allowed the assessment of the porosity of samples. The activity was evaluated from the efficiency to reduce Cr(VI) in the presence of EDTA. Although the response of CA films resulted lower compared with that of P-25 films (a fact associated to a lower porosity), adhesion properties of the new materials were much better. CA film photoactivity improved by increasing the coating thickness. These photocatalysts, whose preparation is simple and affordable, are very promising to be used as immobilized materials in photoreactors for the treatment of pollutants not only in the gas phase but also in aqueous systems. Fil: Kleiman, Ariel Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina Fil: Marquez, Adriana Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física del Plasma. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física del Plasma; Argentina Fil: Vera, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales; Argentina Fil: Meichtry, Jorge Martin. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina Fil: Litter, Marta Irene. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina. Universidad Nacional de San Martín; Argentina |
description |
In this work, the photocatalytic activity and the kinetic behavior of anatase TiO2 films deposited by cathodic arc (CA films) on glass substrates is reported and compared with TiO2 Degussa P-25 films obtained by dip-coating immersion. The mass density of films, determined by X-ray reflectometry, allowed the assessment of the porosity of samples. The activity was evaluated from the efficiency to reduce Cr(VI) in the presence of EDTA. Although the response of CA films resulted lower compared with that of P-25 films (a fact associated to a lower porosity), adhesion properties of the new materials were much better. CA film photoactivity improved by increasing the coating thickness. These photocatalysts, whose preparation is simple and affordable, are very promising to be used as immobilized materials in photoreactors for the treatment of pollutants not only in the gas phase but also in aqueous systems. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-01 |
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/11336/67924 Kleiman, Ariel Javier; Marquez, Adriana Beatriz; Vera, Maria Laura; Meichtry, Jorge Martin; Litter, Marta Irene; Photocatalytic activity of TiO2 thin films deposited by cathodic arc; Elsevier Science; Applied Catalysis B: Environmental; 101; 1-2011; 676-681 0926-3373 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/67924 |
identifier_str_mv |
Kleiman, Ariel Javier; Marquez, Adriana Beatriz; Vera, Maria Laura; Meichtry, Jorge Martin; Litter, Marta Irene; Photocatalytic activity of TiO2 thin films deposited by cathodic arc; Elsevier Science; Applied Catalysis B: Environmental; 101; 1-2011; 676-681 0926-3373 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0926337310004972 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.apcatb.2010.11.009 |
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 application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
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 |
_version_ |
1844613871827943424 |
score |
13.070432 |