Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.cej.2019.123737 http://hdl.handle.net/11449/198282 |
Resumo: | Nd(OH)3-ZnO composites were synthesized with three content of Neodymium (1, 3 and 5 wt%) and characterized in terms of their structural, morphological, vibrational, optical, surface, photocatalytic and antimicrobial properties. The Nd(OH)3-ZnO composites are constituted by ZnO, which showed hexagonal structure, three-dimensional morphology analogous to an arrangement of flowers with hexagonal rods, and the Nd(OH)3 in the hexagonal phase with irregularly spherical shape. The presence of the Nd(OH)3 in the composites promoted some structural degree of disorder in the ZnO network as well as interstitial defects and oxygen vacancy, which improved photocatalytic and antimicrobial activity. From the Box-Behnken design and response surface methodology, it was determined that the 1Nd(OH)3-ZnO composite showed the highest photocatalytic activity, which was attributed to its higher crystallinity, smaller crystallite size and particle width, band gap energy close to ZnO and lower recombination rate compared to ZnO. Nd(OH)3-ZnO composites showed higher antimicrobial activity against E. coli and S. aureus than ZnO pure, evidencing the synergistic effect between Nd(OH)3 and ZnO in the composites. Therefore, this study highlights the synthesis of Nd(OH)3-ZnO composites combining zinc oxide and neodymium hydroxide with excellent photocatalytic and antimicrobial activity, which can be used in different practical applications such as luminescent material, photocatalyst and antimicrobial agent. |
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Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfectionAntimicrobial agentBox-Behnken designHydroxide-oxide interactionPhotocatalystNd(OH)3-ZnO composites were synthesized with three content of Neodymium (1, 3 and 5 wt%) and characterized in terms of their structural, morphological, vibrational, optical, surface, photocatalytic and antimicrobial properties. The Nd(OH)3-ZnO composites are constituted by ZnO, which showed hexagonal structure, three-dimensional morphology analogous to an arrangement of flowers with hexagonal rods, and the Nd(OH)3 in the hexagonal phase with irregularly spherical shape. The presence of the Nd(OH)3 in the composites promoted some structural degree of disorder in the ZnO network as well as interstitial defects and oxygen vacancy, which improved photocatalytic and antimicrobial activity. From the Box-Behnken design and response surface methodology, it was determined that the 1Nd(OH)3-ZnO composite showed the highest photocatalytic activity, which was attributed to its higher crystallinity, smaller crystallite size and particle width, band gap energy close to ZnO and lower recombination rate compared to ZnO. Nd(OH)3-ZnO composites showed higher antimicrobial activity against E. coli and S. aureus than ZnO pure, evidencing the synergistic effect between Nd(OH)3 and ZnO in the composites. Therefore, this study highlights the synthesis of Nd(OH)3-ZnO composites combining zinc oxide and neodymium hydroxide with excellent photocatalytic and antimicrobial activity, which can be used in different practical applications such as luminescent material, photocatalyst and antimicrobial agent.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Program of Post-Graduation in Chemical Engineering State University of West Parana, P.O. Box 520CDMF LIEC Federal University of São Carlos, P.O. Box 676Modeling and Molecular Simulations Group São Paulo State University UNESPModeling and Molecular Simulations Group São Paulo State University UNESPState University of West ParanaUniversidade Federal de São Carlos (UFSCar)Universidade Estadual Paulista (Unesp)Costa, Sabryna I.G.Cauneto, Vinícius D.Fiorentin-Ferrari, Leila D.Almeida, Priscila B.Oliveira, Regiane C. [UNESP]Longo, ElsonMódenes, Aparecido N.Slusarski-Santana, Veronice2020-12-12T01:08:31Z2020-12-12T01:08:31Z2020-07-15info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.cej.2019.123737Chemical Engineering Journal, v. 392.1385-8947http://hdl.handle.net/11449/19828210.1016/j.cej.2019.1237372-s2.0-85076528477Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengChemical Engineering Journalinfo:eu-repo/semantics/openAccess2021-10-23T10:11:28Zoai:repositorio.unesp.br:11449/198282Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T23:27:17.707737Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
title |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
spellingShingle |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection Costa, Sabryna I.G. Antimicrobial agent Box-Behnken design Hydroxide-oxide interaction Photocatalyst |
title_short |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
title_full |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
title_fullStr |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
title_full_unstemmed |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
title_sort |
Synthesis and characterization of Nd(OH)3-ZnO composites for application in photocatalysis and disinfection |
author |
Costa, Sabryna I.G. |
author_facet |
Costa, Sabryna I.G. Cauneto, Vinícius D. Fiorentin-Ferrari, Leila D. Almeida, Priscila B. Oliveira, Regiane C. [UNESP] Longo, Elson Módenes, Aparecido N. Slusarski-Santana, Veronice |
author_role |
author |
author2 |
Cauneto, Vinícius D. Fiorentin-Ferrari, Leila D. Almeida, Priscila B. Oliveira, Regiane C. [UNESP] Longo, Elson Módenes, Aparecido N. Slusarski-Santana, Veronice |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
State University of West Parana Universidade Federal de São Carlos (UFSCar) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Costa, Sabryna I.G. Cauneto, Vinícius D. Fiorentin-Ferrari, Leila D. Almeida, Priscila B. Oliveira, Regiane C. [UNESP] Longo, Elson Módenes, Aparecido N. Slusarski-Santana, Veronice |
dc.subject.por.fl_str_mv |
Antimicrobial agent Box-Behnken design Hydroxide-oxide interaction Photocatalyst |
topic |
Antimicrobial agent Box-Behnken design Hydroxide-oxide interaction Photocatalyst |
description |
Nd(OH)3-ZnO composites were synthesized with three content of Neodymium (1, 3 and 5 wt%) and characterized in terms of their structural, morphological, vibrational, optical, surface, photocatalytic and antimicrobial properties. The Nd(OH)3-ZnO composites are constituted by ZnO, which showed hexagonal structure, three-dimensional morphology analogous to an arrangement of flowers with hexagonal rods, and the Nd(OH)3 in the hexagonal phase with irregularly spherical shape. The presence of the Nd(OH)3 in the composites promoted some structural degree of disorder in the ZnO network as well as interstitial defects and oxygen vacancy, which improved photocatalytic and antimicrobial activity. From the Box-Behnken design and response surface methodology, it was determined that the 1Nd(OH)3-ZnO composite showed the highest photocatalytic activity, which was attributed to its higher crystallinity, smaller crystallite size and particle width, band gap energy close to ZnO and lower recombination rate compared to ZnO. Nd(OH)3-ZnO composites showed higher antimicrobial activity against E. coli and S. aureus than ZnO pure, evidencing the synergistic effect between Nd(OH)3 and ZnO in the composites. Therefore, this study highlights the synthesis of Nd(OH)3-ZnO composites combining zinc oxide and neodymium hydroxide with excellent photocatalytic and antimicrobial activity, which can be used in different practical applications such as luminescent material, photocatalyst and antimicrobial agent. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T01:08:31Z 2020-12-12T01:08:31Z 2020-07-15 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.cej.2019.123737 Chemical Engineering Journal, v. 392. 1385-8947 http://hdl.handle.net/11449/198282 10.1016/j.cej.2019.123737 2-s2.0-85076528477 |
url |
http://dx.doi.org/10.1016/j.cej.2019.123737 http://hdl.handle.net/11449/198282 |
identifier_str_mv |
Chemical Engineering Journal, v. 392. 1385-8947 10.1016/j.cej.2019.123737 2-s2.0-85076528477 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Chemical Engineering Journal |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1808129522678104064 |