Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors

The combination of carbon nanotubes with transition metal oxides can exhibit complementary charge storage properties for use as electrode materials for next generation energy storage devices. One of the biggest challenges so far is to synthesize homogeneous oxide coatings on carbon nanotube structur...

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Autores: Yu, Pengmei, Coll, Mariona, Amade Rovira, Roger, Alshaikh, Islam, Pantoja Suárez, Luis Fernando, Pascual Miralles, Esther, Andújar Bella, José Luis, Bertrán Serra, Enric
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/164796
Acceso en línea:https://hdl.handle.net/2445/164796
Access Level:acceso abierto
Palabra clave:Nanotubs
Carboni
Emmagatzematge d'energia
Nanotubes
Carbon
Storage of energy
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spelling Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitorsYu, PengmeiColl, MarionaAmade Rovira, RogerAlshaikh, IslamPantoja Suárez, Luis FernandoPascual Miralles, EstherAndújar Bella, José LuisBertrán Serra, EnricNanotubsCarboniEmmagatzematge d'energiaNanotubesCarbonStorage of energyThe combination of carbon nanotubes with transition metal oxides can exhibit complementary charge storage properties for use as electrode materials for next generation energy storage devices. One of the biggest challenges so far is to synthesize homogeneous oxide coatings on carbon nanotube structures preserving their integrity. Here we present the formation of conformal coatings of Fe2O3 on vertically aligned carbon nanotubes obtained by atomic layer deposition. We investigate the effect of pristine, nitrogen plasma and water plasma treated carbon nanotube surfaces on the ALD-growth of Fe2O3 using ferrocene and ozone precursors. The surface morphology, coating thickness, microstructure and surface chemistry of iron oxide-carbon nanotube composites and their ultimate influence on the electrochemical behavior of the composites are evaluated. The most effective surface functionalization is that achieved by H2O plasma treatment, whereas untreated carbon nanotubes, despite the lack of active sites in the starting pristine surface, can be coated with an inhomogeneous Fe2O3 film.Royal Society of Chemistry2020202020202020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion10 p.application/pdfhttps://hdl.handle.net/2445/164796Articles publicats en revistes (Física Aplicada)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1039/c9dt04908hDalton Transactions, 2020, vol. 49, num. 13, p. 4136-4145https://doi.org/10.1039/c9dt04908hcc-by-nc (c) Yu et al., 2020http://creativecommons.org/licenses/by-nc/3.0/es/info:eu-repo/semantics/openAccessoai:recercat.cat:2445/1647962026-05-29T05:05:01Z
dc.title.none.fl_str_mv Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
title Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
spellingShingle Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
Yu, Pengmei
Nanotubs
Carboni
Emmagatzematge d'energia
Nanotubes
Carbon
Storage of energy
title_short Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
title_full Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
title_fullStr Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
title_full_unstemmed Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
title_sort Homogeneous Fe2O3 coatings on carbon nanotube structures for supercapacitors
dc.creator.none.fl_str_mv Yu, Pengmei
Coll, Mariona
Amade Rovira, Roger
Alshaikh, Islam
Pantoja Suárez, Luis Fernando
Pascual Miralles, Esther
Andújar Bella, José Luis
Bertrán Serra, Enric
author Yu, Pengmei
author_facet Yu, Pengmei
Coll, Mariona
Amade Rovira, Roger
Alshaikh, Islam
Pantoja Suárez, Luis Fernando
Pascual Miralles, Esther
Andújar Bella, José Luis
Bertrán Serra, Enric
author_role author
author2 Coll, Mariona
Amade Rovira, Roger
Alshaikh, Islam
Pantoja Suárez, Luis Fernando
Pascual Miralles, Esther
Andújar Bella, José Luis
Bertrán Serra, Enric
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Nanotubs
Carboni
Emmagatzematge d'energia
Nanotubes
Carbon
Storage of energy
topic Nanotubs
Carboni
Emmagatzematge d'energia
Nanotubes
Carbon
Storage of energy
description The combination of carbon nanotubes with transition metal oxides can exhibit complementary charge storage properties for use as electrode materials for next generation energy storage devices. One of the biggest challenges so far is to synthesize homogeneous oxide coatings on carbon nanotube structures preserving their integrity. Here we present the formation of conformal coatings of Fe2O3 on vertically aligned carbon nanotubes obtained by atomic layer deposition. We investigate the effect of pristine, nitrogen plasma and water plasma treated carbon nanotube surfaces on the ALD-growth of Fe2O3 using ferrocene and ozone precursors. The surface morphology, coating thickness, microstructure and surface chemistry of iron oxide-carbon nanotube composites and their ultimate influence on the electrochemical behavior of the composites are evaluated. The most effective surface functionalization is that achieved by H2O plasma treatment, whereas untreated carbon nanotubes, despite the lack of active sites in the starting pristine surface, can be coated with an inhomogeneous Fe2O3 film.
publishDate 2020
dc.date.none.fl_str_mv 2020
2020
2020
2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/164796
url https://hdl.handle.net/2445/164796
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1039/c9dt04908h
Dalton Transactions, 2020, vol. 49, num. 13, p. 4136-4145
https://doi.org/10.1039/c9dt04908h
dc.rights.none.fl_str_mv cc-by-nc (c) Yu et al., 2020
http://creativecommons.org/licenses/by-nc/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc (c) Yu et al., 2020
http://creativecommons.org/licenses/by-nc/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 10 p.
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 Articles publicats en revistes (Física Aplicada)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812455

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