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|Title:||Synthesis and electronic spectroscopy of luminescent cyclometalated platinum-anthracenyl complexes|
|Authors:||Hu, J. |
|Citation:||Hu, J., Lin, R., Yip, J.H.K., Wong, K.-Y., Dik-Lung, M., Vittal, J.J. (2007-12-17). Synthesis and electronic spectroscopy of luminescent cyclometalated platinum-anthracenyl complexes. Organometallics 26 (26) : 6533-6543. ScholarBank@NUS Repository. https://doi.org/10.1021/om700706r|
|Abstract:||Dicyclometalated complexes syn- and anti-[Pt2(L) 2(PAnP-H2)](OTf)2 (Pt2) are synthesized from reactions of 9,10-bis(diphenylphosphino)anthracene (PAnP) and Pt(L)(OTf)2 (L = diphosphines, OTf = CF3SO3). Because of metal perturbation on the electronic structure of the anthracenyl ring, the 1B2u - ← 1Ag transition, which is forbidden in anthracene, is observed in the electronic spectra of Pt2. The complexes display fluorescence arising from the ligand-centered Si excited state. No significant heavy atom effect is observed in the Pt2 complexes. To understand the effect of the number of Pt ions on the extent of perturbation, a mononuclear analogue, [Pt(dppe)(PAn-H)] ClO4 (PAn = 9-diphenylphosphinoanthracene), is prepared and its spectroscopy studied. © 2007 American Chemical Society.|
|Appears in Collections:||Staff Publications|
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