Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/72947 |
Resumo: | TiO2 nanotubes were synthesized by hydrothermal method and doped with three nitrogen compounds to enhance photocatalytic activity under visible light. Catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), diffuse reflectance spectroscopy (DRS) and specific surface area and pore volume determined by BET and BJH methods, respectively. Photocatalytic activity was evaluated by photodegradation of rhodamine B under visible and UV radiations. Results showed doped-nanotubes were more efficient under visible light. The best photocatalytic activity was for sample NTT-7-600/NH3I, being 30% higher than the non-doped sample. |
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Moro, Celso CamiloLansarin, Marla AzarioBagnara, Mônica2013-07-02T01:43:51Z20120100-4042http://hdl.handle.net/10183/72947000861900TiO2 nanotubes were synthesized by hydrothermal method and doped with three nitrogen compounds to enhance photocatalytic activity under visible light. Catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), diffuse reflectance spectroscopy (DRS) and specific surface area and pore volume determined by BET and BJH methods, respectively. Photocatalytic activity was evaluated by photodegradation of rhodamine B under visible and UV radiations. Results showed doped-nanotubes were more efficient under visible light. The best photocatalytic activity was for sample NTT-7-600/NH3I, being 30% higher than the non-doped sample.application/pdfporQuímica nova. São Paulo. vol. 35, n. 8 (2012), p. 1560-1565NanotubosFotocatáliseTitania nanotubosNitrogen-dopedPhotocatalysisNanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicasNitrogen-doped TiO2 nanotubes : comparison of photocatalytic activities of materials obtained using different techniquesinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/otherinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000861900.pdf000861900.pdfTexto completoapplication/pdf911725http://www.lume.ufrgs.br/bitstream/10183/72947/1/000861900.pdf5b2822f91fedac51075df45f0a56e0a0MD51TEXT000861900.pdf.txt000861900.pdf.txtExtracted Texttext/plain28930http://www.lume.ufrgs.br/bitstream/10183/72947/2/000861900.pdf.txt9621557611e1865d3b8d759433796528MD52THUMBNAIL000861900.pdf.jpg000861900.pdf.jpgGenerated Thumbnailimage/jpeg1886http://www.lume.ufrgs.br/bitstream/10183/72947/3/000861900.pdf.jpgd7075e6c795e006a059a4060721925e5MD5310183/729472022-06-08 04:40:56.944317oai:www.lume.ufrgs.br:10183/72947Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2022-06-08T07:40:56Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
dc.title.alternative.en.fl_str_mv |
Nitrogen-doped TiO2 nanotubes : comparison of photocatalytic activities of materials obtained using different techniques |
title |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
spellingShingle |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas Moro, Celso Camilo Nanotubos Fotocatálise Titania nanotubos Nitrogen-doped Photocatalysis |
title_short |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
title_full |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
title_fullStr |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
title_full_unstemmed |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
title_sort |
Nanotubos de TiO2 dopados com nitrogênio : comparação das atividades fotocatalíticas de materiais obtidos através de diferentes técnicas |
author |
Moro, Celso Camilo |
author_facet |
Moro, Celso Camilo Lansarin, Marla Azario Bagnara, Mônica |
author_role |
author |
author2 |
Lansarin, Marla Azario Bagnara, Mônica |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Moro, Celso Camilo Lansarin, Marla Azario Bagnara, Mônica |
dc.subject.por.fl_str_mv |
Nanotubos Fotocatálise |
topic |
Nanotubos Fotocatálise Titania nanotubos Nitrogen-doped Photocatalysis |
dc.subject.eng.fl_str_mv |
Titania nanotubos Nitrogen-doped Photocatalysis |
description |
TiO2 nanotubes were synthesized by hydrothermal method and doped with three nitrogen compounds to enhance photocatalytic activity under visible light. Catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), diffuse reflectance spectroscopy (DRS) and specific surface area and pore volume determined by BET and BJH methods, respectively. Photocatalytic activity was evaluated by photodegradation of rhodamine B under visible and UV radiations. Results showed doped-nanotubes were more efficient under visible light. The best photocatalytic activity was for sample NTT-7-600/NH3I, being 30% higher than the non-doped sample. |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012 |
dc.date.accessioned.fl_str_mv |
2013-07-02T01:43:51Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/other |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/72947 |
dc.identifier.issn.pt_BR.fl_str_mv |
0100-4042 |
dc.identifier.nrb.pt_BR.fl_str_mv |
000861900 |
identifier_str_mv |
0100-4042 000861900 |
url |
http://hdl.handle.net/10183/72947 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.ispartof.pt_BR.fl_str_mv |
Química nova. São Paulo. vol. 35, n. 8 (2012), p. 1560-1565 |
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info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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application/pdf |
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collection |
Repositório Institucional da UFRGS |
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