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Article: Resonance Raman investigation of the MLCT transition in [Pt(dppm)2(PhC≡C)2] and the MMLCT transition in [Pt2(μ-dppm)2(μ-PhC≡C)(PhC≡C)2]

TitleResonance Raman investigation of the MLCT transition in [Pt(dppm)2(PhC≡C)2] and the MMLCT transition in [Pt2(μ-dppm)2(μ-PhC≡C)(PhC≡C)2]
Authors
Issue Date1997
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/jpca
Citation
Journal Of Physical Chemistry A, 1997, v. 101 n. 49, p. 9286-9295 How to Cite?
AbstractWe report resonance Raman spectra including absolute Raman cross section measurements obtained with excitation wavelengths within the MLCT absorption band of [Pt(dppm)2(PhC≡C)2] and the MMLCT absorption band of [Pt2(μ-dppm)2(μ-PhC≡C)(PhC≡C)2]+. We have simultaneously simulated the absolute absorption and resonance Raman intensities in order to estimate the vibrational reorganizational energies associated with the MLCT and MMLCT transitions. We observe a small amount of fluorescence background underneath the resonance Raman spectra of [Pt(dppm)2(PhC≡C)2] which we attribute to emission from the very shortlived initially excited MLCT state. Our quantum yield measurements of this fluorescence yields an excited state lifetime of approximately 80-130 fs.
Persistent Identifierhttp://hdl.handle.net/10722/167575
ISSN
2015 Impact Factor: 2.883
2015 SCImago Journal Rankings: 1.231
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKwok, WMen_US
dc.contributor.authorPhillips, DLen_US
dc.contributor.authorYeung, PKYen_US
dc.contributor.authorYam, VWWen_US
dc.date.accessioned2012-10-08T03:08:40Z-
dc.date.available2012-10-08T03:08:40Z-
dc.date.issued1997en_US
dc.identifier.citationJournal Of Physical Chemistry A, 1997, v. 101 n. 49, p. 9286-9295en_US
dc.identifier.issn1089-5639en_US
dc.identifier.urihttp://hdl.handle.net/10722/167575-
dc.description.abstractWe report resonance Raman spectra including absolute Raman cross section measurements obtained with excitation wavelengths within the MLCT absorption band of [Pt(dppm)2(PhC≡C)2] and the MMLCT absorption band of [Pt2(μ-dppm)2(μ-PhC≡C)(PhC≡C)2]+. We have simultaneously simulated the absolute absorption and resonance Raman intensities in order to estimate the vibrational reorganizational energies associated with the MLCT and MMLCT transitions. We observe a small amount of fluorescence background underneath the resonance Raman spectra of [Pt(dppm)2(PhC≡C)2] which we attribute to emission from the very shortlived initially excited MLCT state. Our quantum yield measurements of this fluorescence yields an excited state lifetime of approximately 80-130 fs.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/jpcaen_US
dc.relation.ispartofJournal of Physical Chemistry Aen_US
dc.titleResonance Raman investigation of the MLCT transition in [Pt(dppm)2(PhC≡C)2] and the MMLCT transition in [Pt2(μ-dppm)2(μ-PhC≡C)(PhC≡C)2]en_US
dc.typeArticleen_US
dc.identifier.emailPhillips, DL:phillips@hku.hken_US
dc.identifier.emailYam, VWW:wwyam@hku.hken_US
dc.identifier.authorityPhillips, DL=rp00770en_US
dc.identifier.authorityYam, VWW=rp00822en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1021/jp972374t-
dc.identifier.scopuseid_2-s2.0-0031553329en_US
dc.identifier.hkuros31403-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031553329&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume101en_US
dc.identifier.issue49en_US
dc.identifier.spage9286en_US
dc.identifier.epage9295en_US
dc.identifier.isiWOS:A1997YL17400014-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridKwok, WM=7103129332en_US
dc.identifier.scopusauthoridPhillips, DL=7404519365en_US
dc.identifier.scopusauthoridYeung, PKY=7006727700en_US
dc.identifier.scopusauthoridYam, VWW=18539304700en_US

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