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Article: Luminescent platinum(II) terpyridyl complexes: Effect of counter ions on solvent-induced aggregation and color changes

TitleLuminescent platinum(II) terpyridyl complexes: Effect of counter ions on solvent-induced aggregation and color changes
Authors
KeywordsAggregation
Alkynyl ligands
Anion-induced color changes
Photoluminescence
Platinum
Issue Date2005
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, 2005, v. 11 n. 15, p. 4535-4543 How to Cite?
AbstractA series of platinum(II) terpyridyl complexes [Pt(tpy)(C≡C- C≡CH)]X, 1-X (X = OTf -; PF 6, -; ClO 4; BF 4 -; BPh 4 -); [Pt(tpy)(C≡CC 6H 5)]X, 2-X (X = OTf -; PF 6 -; ClO 4 -; BF 4 -); [Pt(tpy)(C≡CC 6H 4OCH 3-4)]OTf, 3-OTf, and [Pt(4′-CH 3O-tpy)(C≡C- C 6H 5)]OTf, 4-OTf (tpy = 2,2′:6′,2″- terpyridine, OTf = trifluoromethanesulfonate) were synthesized and their photophysical properties determined. Electronic absorption and emission studies showed the formation of a new band upon increasing the diethyl ether content in an acetonitrile/diethyl ether mixture. This was ascribed to the formation of complex aggregates, the solution color of which is dependent on the nature of the anions. This indicates that counter ions play an important role in governing the degree of aggregation and the extent of interactions within these aggregates. Addition of various anions to solutions of 1-OTf and 1-PF 6 produced anion-induced color changes upon solvent-induced aggregation, indicating that these complexes may serve as potential colorimetric anion probes. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Persistent Identifierhttp://hdl.handle.net/10722/69854
ISSN
2015 Impact Factor: 5.771
2015 SCImago Journal Rankings: 2.323
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYam, VWWen_HK
dc.contributor.authorChan, KHYen_HK
dc.contributor.authorWong, KMCen_HK
dc.contributor.authorZhu, Nen_HK
dc.date.accessioned2010-09-06T06:17:26Z-
dc.date.available2010-09-06T06:17:26Z-
dc.date.issued2005en_HK
dc.identifier.citationChemistry - A European Journal, 2005, v. 11 n. 15, p. 4535-4543en_HK
dc.identifier.issn0947-6539en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69854-
dc.description.abstractA series of platinum(II) terpyridyl complexes [Pt(tpy)(C≡C- C≡CH)]X, 1-X (X = OTf -; PF 6, -; ClO 4; BF 4 -; BPh 4 -); [Pt(tpy)(C≡CC 6H 5)]X, 2-X (X = OTf -; PF 6 -; ClO 4 -; BF 4 -); [Pt(tpy)(C≡CC 6H 4OCH 3-4)]OTf, 3-OTf, and [Pt(4′-CH 3O-tpy)(C≡C- C 6H 5)]OTf, 4-OTf (tpy = 2,2′:6′,2″- terpyridine, OTf = trifluoromethanesulfonate) were synthesized and their photophysical properties determined. Electronic absorption and emission studies showed the formation of a new band upon increasing the diethyl ether content in an acetonitrile/diethyl ether mixture. This was ascribed to the formation of complex aggregates, the solution color of which is dependent on the nature of the anions. This indicates that counter ions play an important role in governing the degree of aggregation and the extent of interactions within these aggregates. Addition of various anions to solutions of 1-OTf and 1-PF 6 produced anion-induced color changes upon solvent-induced aggregation, indicating that these complexes may serve as potential colorimetric anion probes. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.en_HK
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.wiley-vch.de/home/chemistryen_HK
dc.relation.ispartofChemistry - A European Journalen_HK
dc.subjectAggregationen_HK
dc.subjectAlkynyl ligandsen_HK
dc.subjectAnion-induced color changesen_HK
dc.subjectPhotoluminescenceen_HK
dc.subjectPlatinumen_HK
dc.titleLuminescent platinum(II) terpyridyl complexes: Effect of counter ions on solvent-induced aggregation and color changesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0947-6539&volume=11&issue=15&spage=4535&epage=4543&date=2005&atitle=Luminescent+platinum(II)+terpyridyl+complexes:+effect+of+counter+ions+on+solvent-induced+aggregation+and+color+changesen_HK
dc.identifier.emailYam, VWW: wwyam@hku.hken_HK
dc.identifier.emailWong, KMC: wongmc@hku.hken_HK
dc.identifier.emailZhu, N: nzhu@hkucc.hku.hken_HK
dc.identifier.authorityYam, VWW=rp00822en_HK
dc.identifier.authorityWong, KMC=rp00809en_HK
dc.identifier.authorityZhu, N=rp00845en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/chem.200500106en_HK
dc.identifier.pmid15900539-
dc.identifier.scopuseid_2-s2.0-22944452428en_HK
dc.identifier.hkuros122444en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-22944452428&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume11en_HK
dc.identifier.issue15en_HK
dc.identifier.spage4535en_HK
dc.identifier.epage4543en_HK
dc.identifier.isiWOS:000230761400023-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridYam, VWW=18539304700en_HK
dc.identifier.scopusauthoridChan, KHY=7406035175en_HK
dc.identifier.scopusauthoridWong, KMC=8061067200en_HK
dc.identifier.scopusauthoridZhu, N=7201449530en_HK

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