Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization
- Autores
- Riccardo, Jose Luis; Ramirez Pastor, Antonio Jose; Romá, Federico José
- Año de publicación
- 2002
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In this work, an improved solution for multilayer adsorption of linear species is presented. The particular case of multilayer dimer adsorption is dealt with in detail, and a new adsorption isotherm is obtained for determination of surface area and adsorption energy from experiments. From the comparison between the new isotherm and the standard Brunauer-Emmett-Teller (BET) formalism, it arises that the monolayer volume, vm (or the surface area, A), can be up to 1.5 times larger than the one from the BET model. The proposed model is simple and easy to apply in practice and leads to new values of surface area and adsorption heat. Physically, these advantages are a consequence of properly considering the configurational entropy of the adsorbate.
Fil: Riccardo, Jose Luis. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina
Fil: Ramirez Pastor, Antonio Jose. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina
Fil: Romá, Federico José. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/147205
Ver los metadatos del registro completo
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Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterizationRiccardo, Jose LuisRamirez Pastor, Antonio JoseRomá, Federico Joséhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1In this work, an improved solution for multilayer adsorption of linear species is presented. The particular case of multilayer dimer adsorption is dealt with in detail, and a new adsorption isotherm is obtained for determination of surface area and adsorption energy from experiments. From the comparison between the new isotherm and the standard Brunauer-Emmett-Teller (BET) formalism, it arises that the monolayer volume, vm (or the surface area, A), can be up to 1.5 times larger than the one from the BET model. The proposed model is simple and easy to apply in practice and leads to new values of surface area and adsorption heat. Physically, these advantages are a consequence of properly considering the configurational entropy of the adsorbate.Fil: Riccardo, Jose Luis. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; ArgentinaFil: Ramirez Pastor, Antonio Jose. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; ArgentinaFil: Romá, Federico José. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; ArgentinaAmerican Chemical Society2002-02-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/147205Riccardo, Jose Luis; Ramirez Pastor, Antonio Jose; Romá, Federico José; Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization; American Chemical Society; Langmuir; 18; 6; 22-2-2002; 2130-21340743-74631520-5827CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/la011068ainfo:eu-repo/semantics/altIdentifier/doi/10.1021/la011068ainfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-12T09:47:56Zoai:ri.conicet.gov.ar:11336/147205instacron: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:34982025-11-12 09:47:56.81CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| title |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| spellingShingle |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization Riccardo, Jose Luis |
| title_short |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| title_full |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| title_fullStr |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| title_full_unstemmed |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| title_sort |
Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization |
| dc.creator.none.fl_str_mv |
Riccardo, Jose Luis Ramirez Pastor, Antonio Jose Romá, Federico José |
| author |
Riccardo, Jose Luis |
| author_facet |
Riccardo, Jose Luis Ramirez Pastor, Antonio Jose Romá, Federico José |
| author_role |
author |
| author2 |
Ramirez Pastor, Antonio Jose Romá, Federico José |
| author2_role |
author author |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
In this work, an improved solution for multilayer adsorption of linear species is presented. The particular case of multilayer dimer adsorption is dealt with in detail, and a new adsorption isotherm is obtained for determination of surface area and adsorption energy from experiments. From the comparison between the new isotherm and the standard Brunauer-Emmett-Teller (BET) formalism, it arises that the monolayer volume, vm (or the surface area, A), can be up to 1.5 times larger than the one from the BET model. The proposed model is simple and easy to apply in practice and leads to new values of surface area and adsorption heat. Physically, these advantages are a consequence of properly considering the configurational entropy of the adsorbate. Fil: Riccardo, Jose Luis. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina Fil: Ramirez Pastor, Antonio Jose. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina Fil: Romá, Federico José. Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina |
| description |
In this work, an improved solution for multilayer adsorption of linear species is presented. The particular case of multilayer dimer adsorption is dealt with in detail, and a new adsorption isotherm is obtained for determination of surface area and adsorption energy from experiments. From the comparison between the new isotherm and the standard Brunauer-Emmett-Teller (BET) formalism, it arises that the monolayer volume, vm (or the surface area, A), can be up to 1.5 times larger than the one from the BET model. The proposed model is simple and easy to apply in practice and leads to new values of surface area and adsorption heat. Physically, these advantages are a consequence of properly considering the configurational entropy of the adsorbate. |
| publishDate |
2002 |
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2002-02-22 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/11336/147205 Riccardo, Jose Luis; Ramirez Pastor, Antonio Jose; Romá, Federico José; Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization; American Chemical Society; Langmuir; 18; 6; 22-2-2002; 2130-2134 0743-7463 1520-5827 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/147205 |
| identifier_str_mv |
Riccardo, Jose Luis; Ramirez Pastor, Antonio Jose; Romá, Federico José; Multilayer adsorption with multisite occupancy: An improved isotherm for surface characterization; American Chemical Society; Langmuir; 18; 6; 22-2-2002; 2130-2134 0743-7463 1520-5827 CONICET Digital CONICET |
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eng |
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eng |
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