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dc.contributor.authorAguilo, Elisabet
dc.contributor.authorGavara, Raquel
dc.contributor.authorBaucells, Clara
dc.contributor.authorGuitart, Marta
dc.contributor.authorLima, Joao Carlos
dc.contributor.authorLlorca Piqué, Jordi
dc.contributor.authorRodríguez Raurell, Laura
dc.contributor.otherUniversitat Politècnica de Catalunya. Institut de Tècniques Energètiques
dc.date.accessioned2016-06-27T10:30:53Z
dc.date.available2017-05-09T00:30:35Z
dc.date.issued2016-01-01
dc.identifier.citationAguilo, E., Gavara, R., Baucells, C., Guitart, M., Lima, J.C., Llorca, J., Rodríguez, L. Tuning supramolecular aurophilic structures: the effect of counterion, positive charge and solvent. "Dalton transactions", 01 Gener 2016, vol. 45, núm. 17, p. 7328-7339.
dc.identifier.issn1477-9226
dc.identifier.urihttp://hdl.handle.net/2117/88296
dc.description.abstractThe synthesis of the cationic gold(I) complexes [Au(CuCC5H4N)(CH3-PTA)] X (X = I, 1; X = OTf, 4), [Au(C equivalent to CC5H4N-CH3)(PTA)] X (X = I, 2; X = OTf = 5; PTA = 1,3,5-triaza-7-phosphatricyclo[3.3.1.13.7]decane) and [Au(CuCC5H4N-CH3)(DAPTA)] X (X = I, 3; X = OTf = 6, DAPTA = 3,7-diacetyl-1,3,7-triaza-5-phosphabicyclo[ 3.3.1]nonane) results in cationic complexes with unexpected supramolecular assemblies in water ranging from rod-like structures (1) to vesicles (2 and 3) and square-like structures (5 and 6). These morphologies are completely different from the fibers previously obtained with their parent neutral complexes [Au(C equivalent to C5H4N)(PTA)] and [Au(C equivalent to C5H4N)(DAPTA)]. Nevertheless, the introduction of triflate as a counterion in 1 (complex 4) gives rise to the formation of a highly soluble complex in water which does not display any significant aggregation in solution. These results reveal the importance of the introduction of a positive charge on global supramolecular assemblies and how the counterion can also modify the resulting package. Interestingly, we have also proved that the aggregation of complexes 2, 3, 5 and 6 is also affected by the solvent with direct influence on their absorption and emission properties and the global morphology of the aggregates.
dc.format.extent12 p.
dc.language.isoeng
dc.publisherRoyal Society of Chemistry
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria química::Química física
dc.subject.lcshChemistry, Physical and theorical
dc.subject.lcshChemical reactions
dc.subject.otherAlkyl chain-length
dc.subject.otherAlkynylgold(i) complexes
dc.subject.otherPhotophysical properties
dc.subject.otherSpectroscopic properties
dc.subject.otherGold(i) complexes
dc.subject.otherSolid-state
dc.subject.otherwater
dc.titleTuning supramolecular aurophilic structures: the effect of counterion, positive charge and solvent
dc.typeArticle
dc.subject.lemacFisicoquímica
dc.subject.lemacReaccions químiques
dc.contributor.groupUniversitat Politècnica de Catalunya. NEMEN - Nanoenginyeria de materials aplicats a l'energia
dc.identifier.doi10.1039/c6dt00865h
dc.rights.accessOpen Access
drac.iddocument18550485
dc.description.versionPostprint (author's final draft)
upcommons.citation.authorAguilo, E., Gavara, R., Baucells, C., Guitart, M., Lima, J.C., Llorca, J., Rodríguez, L.
upcommons.citation.publishedtrue
upcommons.citation.publicationNameDalton transactions
upcommons.citation.volume45
upcommons.citation.number17
upcommons.citation.startingPage7328
upcommons.citation.endingPage7339


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