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Article: A Platinum(II) Terpyridine Metallogel with an L-Valine-Modified Alkynyl Ligand: Interplay of Pt⋅⋅⋅Pt, π-π and Hydrogen-Bonding Interactions

TitleA Platinum(II) Terpyridine Metallogel with an L-Valine-Modified Alkynyl Ligand: Interplay of Pt⋅⋅⋅Pt, π-π and Hydrogen-Bonding Interactions
Authors
Issue Date2013
PublisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/home/chemistry
Citation
Chemistry: A European Journal, 2013, v. 19 n. 46, p. 15735-15744 How to Cite?
AbstractA series of platinum(II) terpyridine complexes with L-valine-modified alkynyl ligands has been synthesized. A complex with an unsubstituted terpyridine and one valine unit on the alkynyl is shown to be capable of gel formation, which is in sharp contrast to the gelation properties of the corresponding organic counterparts. Upon sol-gel transition, a drastic color change from yellow to red is observed, which is indicative of the involvement of PtPt interactions. Through the concentration- and temperature-dependent UV/Vis absorption, emission, circular dichroism, and (1) H NMR studies, the contribution of hydrogen bonding, PtPt and pi-pi stacking interactions as driving forces for gelation have been established, and the importance of maintaining a delicate balance between different intermolecular forces has also been illustrated.
Persistent Identifierhttp://hdl.handle.net/10722/202538
ISSN
2015 Impact Factor: 5.771
2015 SCImago Journal Rankings: 2.323
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorPo, Cen_US
dc.contributor.authorKe, Zen_US
dc.contributor.authorTam, AYYen_US
dc.contributor.authorChow, H Fen_US
dc.contributor.authorYam, VWWen_US
dc.date.accessioned2014-09-19T08:40:54Z-
dc.date.available2014-09-19T08:40:54Z-
dc.date.issued2013en_US
dc.identifier.citationChemistry: A European Journal, 2013, v. 19 n. 46, p. 15735-15744en_US
dc.identifier.issn0947-6539en_US
dc.identifier.urihttp://hdl.handle.net/10722/202538-
dc.description.abstractA series of platinum(II) terpyridine complexes with L-valine-modified alkynyl ligands has been synthesized. A complex with an unsubstituted terpyridine and one valine unit on the alkynyl is shown to be capable of gel formation, which is in sharp contrast to the gelation properties of the corresponding organic counterparts. Upon sol-gel transition, a drastic color change from yellow to red is observed, which is indicative of the involvement of PtPt interactions. Through the concentration- and temperature-dependent UV/Vis absorption, emission, circular dichroism, and (1) H NMR studies, the contribution of hydrogen bonding, PtPt and pi-pi stacking interactions as driving forces for gelation have been established, and the importance of maintaining a delicate balance between different intermolecular forces has also been illustrated.en_US
dc.languageengen_US
dc.publisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/home/chemistryen_US
dc.relation.ispartofChemistry: A European Journalen_US
dc.rightsPreprint This is the pre-peer reviewed version of the following article: FULL CITE, which has been published in final form at [Link to final article].en_US
dc.titleA Platinum(II) Terpyridine Metallogel with an L-Valine-Modified Alkynyl Ligand: Interplay of Pt⋅⋅⋅Pt, π-π and Hydrogen-Bonding Interactionsen_US
dc.typeArticleen_US
dc.identifier.emailPo, C: po0601@hku.hken_US
dc.identifier.emailTam, AYY: ant1107@hku.hken_US
dc.identifier.emailYam, VWW: wwyam@hku.hken_US
dc.identifier.authorityYam, VWW=rp00822en_US
dc.identifier.doi10.1002/chem.201302702en_US
dc.identifier.pmid24123486en_US
dc.identifier.hkuros235518en_US
dc.identifier.volume19en_US
dc.identifier.issue46en_US
dc.identifier.spage15735en_US
dc.identifier.epage15744en_US
dc.identifier.isiWOS:000326311400040-
dc.publisher.placeGermanyen_US

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