Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane

Detalhes bibliográficos
Autor(a) principal: Alegria, Elisabete
Data de Publicação: 2017
Outros Autores: Fontolan, Emmanuele, Da Costa Ribeiro, Ana Paula, Kopylovich, Maximilian, Domingos, Catarina, Ferraria, Ana Maria, Bertani, Roberta, Botelho do Rego, Ana M., Pombeiro, Armando
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.21/8142
Resumo: Este trabalho foi financiado pelo Concurso Anual para Projetos de Investigação, Desenvolvimento, Inovação e Criação Artística (IDI&CA) 2016 do Instituto Politécnico de Lisboa. Código de referência IPL/2016/MechSynCat_ISEL
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spelling Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexaneMechanochemicalBall-millingCompositesOne-pot oxidationHydrocarboxylationCyclohexaneEste trabalho foi financiado pelo Concurso Anual para Projetos de Investigação, Desenvolvimento, Inovação e Criação Artística (IDI&CA) 2016 do Instituto Politécnico de Lisboa. Código de referência IPL/2016/MechSynCat_ISELA simple and clean mechanochemical synthesis at room temperature was employed to prepare CuO-Fe2O3-CoCl2 (100 nm scale), MoO3-V2O5, CuO-CoCl2, Fe2O3-CoCl2, CuO-V2O5, Cu(CH3COO)(2)-V2O5, Cu(CH3COO)(2)-MoO3 (1-100 mm scale) 3d metal based dispersed composites with different ratios of components using simple metal salts/oxides and multiwalled carbon nanotubes (CNT) or graphene oxide (GO) additives (CoCl2-CNT, CoCl2-GO). The thus prepared composite materials were characterized by Xray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), field emission gun scanning electron microscopy (FEGSEM), energy-dispersive X-ray spectroscopy (EDX) and transmission electron microscopy (TEM). XPS analysis revealed no metal redox change upon ball milling treatment, which however promotes metal hydroxylation. The catalytic activity of the prepared composites in the heterogeneous low power microwave-assisted oxidation of cyclohexane with aq. H2O2 at 30 degrees C was notorious with yields up to 31% and selectivity up to 94% towards cyclohexanol (upon treatment with PPh3) for the CuO-CoCl2-based material. The hydro-carboxylation of cyclohexane with CO, water and K2S2O8 to produce cyclohexanecarboxylic acid bearing one more carbon atom at 60 degrees C is achieved with yields up to 17% for the reaction performed in the presence of the CuO-CoCl2 catalyst. The clean CuO-CoCl2 (1:2) catalyst preparation and the catalytic reaction (oxidation of cyclohexane) can be achieved in one-pot at low temperature, without any added organic solvent, and by using exclusively the mechanochemical energy input, with a marked 23% yield at 30 degrees C.ElsevierRCIPLAlegria, ElisabeteFontolan, EmmanueleDa Costa Ribeiro, Ana PaulaKopylovich, MaximilianDomingos, CatarinaFerraria, Ana MariaBertani, RobertaBotelho do Rego, Ana M.Pombeiro, Armando2018-02-27T12:30:48Z2017-092017-09-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.21/8142engALEGRIA, Elisabete C. B. A.; [et al] – Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane. Materials Today Chemistry. ISSN 2468-5194. Vol. 5, (2017), pp. 52-622468-519410.1016/j.mtchem.2017.07.002metadata only accessinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-08-03T09:55:08Zoai:repositorio.ipl.pt:10400.21/8142Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:16:57.412597Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
title Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
spellingShingle Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
Alegria, Elisabete
Mechanochemical
Ball-milling
Composites
One-pot oxidation
Hydrocarboxylation
Cyclohexane
title_short Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
title_full Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
title_fullStr Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
title_full_unstemmed Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
title_sort Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane
author Alegria, Elisabete
author_facet Alegria, Elisabete
Fontolan, Emmanuele
Da Costa Ribeiro, Ana Paula
Kopylovich, Maximilian
Domingos, Catarina
Ferraria, Ana Maria
Bertani, Roberta
Botelho do Rego, Ana M.
Pombeiro, Armando
author_role author
author2 Fontolan, Emmanuele
Da Costa Ribeiro, Ana Paula
Kopylovich, Maximilian
Domingos, Catarina
Ferraria, Ana Maria
Bertani, Roberta
Botelho do Rego, Ana M.
Pombeiro, Armando
author2_role author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv RCIPL
dc.contributor.author.fl_str_mv Alegria, Elisabete
Fontolan, Emmanuele
Da Costa Ribeiro, Ana Paula
Kopylovich, Maximilian
Domingos, Catarina
Ferraria, Ana Maria
Bertani, Roberta
Botelho do Rego, Ana M.
Pombeiro, Armando
dc.subject.por.fl_str_mv Mechanochemical
Ball-milling
Composites
One-pot oxidation
Hydrocarboxylation
Cyclohexane
topic Mechanochemical
Ball-milling
Composites
One-pot oxidation
Hydrocarboxylation
Cyclohexane
description Este trabalho foi financiado pelo Concurso Anual para Projetos de Investigação, Desenvolvimento, Inovação e Criação Artística (IDI&CA) 2016 do Instituto Politécnico de Lisboa. Código de referência IPL/2016/MechSynCat_ISEL
publishDate 2017
dc.date.none.fl_str_mv 2017-09
2017-09-01T00:00:00Z
2018-02-27T12:30:48Z
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://hdl.handle.net/10400.21/8142
url http://hdl.handle.net/10400.21/8142
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv ALEGRIA, Elisabete C. B. A.; [et al] – Simple solvent-free preparation of dispersed composites and their application as catalysts in oxidation and hydrocarboxylation of cyclohexane. Materials Today Chemistry. ISSN 2468-5194. Vol. 5, (2017), pp. 52-62
2468-5194
10.1016/j.mtchem.2017.07.002
dc.rights.driver.fl_str_mv metadata only access
info:eu-repo/semantics/openAccess
rights_invalid_str_mv metadata only access
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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