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Article: Organoplatinum(II) complexes with chromophore-acceptor dyad studied by ultrafast time-resolved absorption spectroscopy

TitleOrganoplatinum(II) complexes with chromophore-acceptor dyad studied by ultrafast time-resolved absorption spectroscopy
Authors
KeywordsChromophores
Electron transfer
Hydrogen
Platinum
Viologen
Issue Date2010
PublisherWiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2451
Citation
Chemistry - An Asian Journal, 2010, v. 5 n. 1, p. 60-65 How to Cite?
AbstractThe photoinduced ET reaction from Pt IIchromophore to viologen acceptor in a new ultrafast time-resolved absorption spectroscopy has been reported. Photoinduced electron-transfer (ET) reactions are fundamental steps in photosynthesis, and which have led to extensive investigations into charge-separated species in artificial mimics. The development of the absorption maxima at 395 and 605 nm could be attributed to the formation of methyl viologen radical cation as a result of oxidative decomposition of TEOA. The back ET reaction rate constants of the two platinum (II) systems are slower than the forward electron-transfer reactions, despite the large driving force. Efforts to harness the slow back ET reactions of Pt II chromophore acceptor systems for light-induced multi-electron-transfer catalysis are in progress.
Persistent Identifierhttp://hdl.handle.net/10722/70258
ISSN
2014 Impact Factor: 4.587
2014 SCImago Journal Rankings: 1.591
ISI Accession Number ID
Funding AgencyGrant Number
State Key Project2007CB613304
National Natural Science Foundation of China/Research Grants Council Joint Research SchemeN_HKU 752/08
50418010
20671094
90610034
Research Grants Council of Hong KongHKU 7011/07P
HKU 7030/06P
The Chinese Academy of Sciences-Croucher Foundation Funding Scheme
Funding Information:

The authors are grateful to the State Key Project (2007CB613304), the National Natural Science Foundation of China/Research Grants Council Joint Research Scheme (N_HKU 752/08, 50418010), the National Natural Science Foundation of China (20671094, 90610034), Research Grants Council of Hong Kong (HKU 7011/07P, HKU 7030/06P), and The Chinese Academy of Sciences-Croucher Foundation Funding Scheme For Joint Laboratories for financial support.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorLai, SWen_HK
dc.contributor.authorChen, Yen_HK
dc.contributor.authorKwok, WMen_HK
dc.contributor.authorZhao, XJen_HK
dc.contributor.authorTo, WPen_HK
dc.contributor.authorFu, WFen_HK
dc.contributor.authorChe, CMen_HK
dc.date.accessioned2010-09-06T06:21:12Z-
dc.date.available2010-09-06T06:21:12Z-
dc.date.issued2010en_HK
dc.identifier.citationChemistry - An Asian Journal, 2010, v. 5 n. 1, p. 60-65en_HK
dc.identifier.issn1861-4728en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70258-
dc.description.abstractThe photoinduced ET reaction from Pt IIchromophore to viologen acceptor in a new ultrafast time-resolved absorption spectroscopy has been reported. Photoinduced electron-transfer (ET) reactions are fundamental steps in photosynthesis, and which have led to extensive investigations into charge-separated species in artificial mimics. The development of the absorption maxima at 395 and 605 nm could be attributed to the formation of methyl viologen radical cation as a result of oxidative decomposition of TEOA. The back ET reaction rate constants of the two platinum (II) systems are slower than the forward electron-transfer reactions, despite the large driving force. Efforts to harness the slow back ET reactions of Pt II chromophore acceptor systems for light-induced multi-electron-transfer catalysis are in progress.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/publish/en/journals/alphabeticIndex/2451en_HK
dc.relation.ispartofChemistry - An Asian Journalen_HK
dc.subjectChromophoresen_HK
dc.subjectElectron transferen_HK
dc.subjectHydrogenen_HK
dc.subjectPlatinumen_HK
dc.subjectViologenen_HK
dc.titleOrganoplatinum(II) complexes with chromophore-acceptor dyad studied by ultrafast time-resolved absorption spectroscopyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1861-4728&volume=5&issue=1&spage=60&epage=65&date=2010&atitle=Organoplatinum(II)+complexes+with+chromophore-acceptor+dyad+studied+by+ultrafast+time-resolved+absorption+spectroscopyen_HK
dc.identifier.emailChen, Y: yongchen@hku.hken_HK
dc.identifier.emailChe, CM: cmche@hku.hken_HK
dc.identifier.authorityChen, Y=rp00674en_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/asia.200900304en_HK
dc.identifier.pmid20014089-
dc.identifier.scopuseid_2-s2.0-73949130804en_HK
dc.identifier.hkuros170115en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-73949130804&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5en_HK
dc.identifier.issue1en_HK
dc.identifier.spage60en_HK
dc.identifier.epage65en_HK
dc.identifier.isiWOS:000273712600007-
dc.publisher.placeGermanyen_HK
dc.relation.projectPhosphorescent supramolecular metal-organic receptors for chemical recognition and biomolecular binding applications-
dc.relation.projectnull-
dc.identifier.scopusauthoridLai, SW=55104882100en_HK
dc.identifier.scopusauthoridChen, Y=15134748900en_HK
dc.identifier.scopusauthoridKwok, WM=7103129332en_HK
dc.identifier.scopusauthoridZhao, XJ=8328189400en_HK
dc.identifier.scopusauthoridTo, WP=35222507500en_HK
dc.identifier.scopusauthoridFu, WF=7202947315en_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK

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