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http://hdl.handle.net/10773/19191
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Nunes, Silvia C. | pt |
dc.contributor.author | Buerglova, Kristyna | pt |
dc.contributor.author | Hodacova, Jana | pt |
dc.contributor.author | Ferreira, Rute A. S. | pt |
dc.contributor.author | Carlos, Luis D. | pt |
dc.contributor.author | Almeida, Paulo | pt |
dc.contributor.author | Cattoen, Xavier | pt |
dc.contributor.author | Man, Michel Wong Chi | pt |
dc.contributor.author | Bermudez, Veronica de Zea | pt |
dc.date.accessioned | 2017-12-07T19:04:05Z | - |
dc.date.issued | 2015 | pt |
dc.identifier.issn | 1434-1948 | pt |
dc.identifier.uri | http://hdl.handle.net/10773/19191 | - |
dc.description.abstract | The copper-catalyzed alkyne azide cycloaddition (CuAAC) reaction was combined with sol-gel reactions for the production of bridged silsesquioxanes (BSs) in which hexyl and icosanyl chains are pendant and anchored on a single position to a triazole ring. The influence of the alkyl chain length on the structure of the BSs, represented by the notation Cn/siloxane (where n = 6 and 20), was examined. The C20/siloxane hybrid is a hydrophobic material that exhibits a hierarchically structured lamellar bilayer organization, a texture composed of microplates of nanometer thickness, and a reversible time-independent order/disorder phase transition (onset at 60 degrees C). The driving forces for self-assembly are van der Waals interactions between the icosanyl chains and - interactions between the triazole rings. In the essentially amorphous C6/siloxane hybrid, the latter contribution promotes the genesis of a pre-lamellar phase similar to that found in C20/siloxane. | pt |
dc.language.iso | eng | pt |
dc.publisher | WILEY-V C H VERLAG GMBH | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F63152%2F2009/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876-PPCDTI/100896/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876-PPCDTI/112774/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876/135918/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876/136013/PT | pt |
dc.relation | info:eu-repo/grantAgreement/FCT/5876/147332/PT | pt |
dc.rights | restrictedAccess | por |
dc.subject | H STRETCHING MODES | pt |
dc.subject | SOLID-STATE NMR | pt |
dc.subject | HYBRIDS | pt |
dc.subject | CONFORMATION | pt |
dc.subject | MONOLAYERS | pt |
dc.subject | SILSESQUIOXANES | pt |
dc.subject | SPECTROSCOPY | pt |
dc.subject | HYDROLYSIS | pt |
dc.subject | SILICATES | pt |
dc.subject | MOBILITY | pt |
dc.title | Nanostructuring of Bridged Organosilane Precursors with Pendant Alkyl Chains | pt |
dc.type | article | pt |
dc.peerreviewed | yes | pt |
ua.distribution | international | pt |
degois.publication.firstPage | 1218 | pt |
degois.publication.issue | 7 | pt |
degois.publication.lastPage | 1225 | pt |
degois.publication.title | EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | pt |
dc.date.embargo | 10000-01-01 | - |
dc.relation.publisherversion | 10.1002/ejic.201402673 | pt |
dc.identifier.doi | 10.1002/ejic.201402673 | pt |
Appears in Collections: | CICECO - Artigos |
Files in This Item:
File | Description | Size | Format | |
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Nanostructuring of Bridged Organosilane Precursors with Pendant Alkyl Chains_10.1002ejic.201402673.pdf | 4.84 MB | Adobe PDF |
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