Please use this identifier to cite or link to this item: https://doi.org/10.1021/om300904b
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dc.titleLigand perturbations on fluorescence of dinuclear platinum complexes of 5,12-diethynyltetracene: A spectroscopic and computational study
dc.contributor.authorNguyen, M.-H.
dc.contributor.authorWong, C.-Y.
dc.contributor.authorYip, J.H.K.
dc.date.accessioned2014-10-16T08:32:41Z
dc.date.available2014-10-16T08:32:41Z
dc.date.issued2013-03-25
dc.identifier.citationNguyen, M.-H., Wong, C.-Y., Yip, J.H.K. (2013-03-25). Ligand perturbations on fluorescence of dinuclear platinum complexes of 5,12-diethynyltetracene: A spectroscopic and computational study. Organometallics 32 (6) : 1620-1629. ScholarBank@NUS Repository. https://doi.org/10.1021/om300904b
dc.identifier.issn02767333
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/94149
dc.description.abstractTo understand how the PtII ion perturbs the electronic structures of tetracene, 10 dinuclear [X(Et3P)2Pt II]2-5,12-diethynyltetracene complexes with different auxiliary ligands were synthesized. Interactions between the PtII ion and 5,12-diethynyltetracene were probed spectroscopically and computationally. The dinuclear [X(Et3P)2PtII] 2-5,12-diethynyltetracene complexes exhibit red-shifted absorption and fluorescence in comparison with those of 5,12-bis(triisopropylsilylethynyl) tetracene, with the neutral complexes with π-donating auxiliary ligands showing a larger red shift than the cationic complexes with π-accepting ligands. Electronic structures of the complexes and effects of the metal ions and the ligands on the electronic transitions of the complexes were investigated by TD-DFT calculations, the results of which showed that the electronic structure of the 5,12-diethynyltetracene core is perturbed by π interactions with the Pt fragments, the extent of which depends on the energies of the dπ orbitals of the Pt fragments. © 2013 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/om300904b
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/om300904b
dc.description.sourcetitleOrganometallics
dc.description.volume32
dc.description.issue6
dc.description.page1620-1629
dc.description.codenORGND
dc.identifier.isiut000316773800013
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