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Title: Synthesis and electronic spectroscopy of luminescent cyclometalated platinum-anthracenyl complexes
Authors: Hu, J. 
Lin, R.
Yip, J.H.K. 
Wong, K.-Y.
Dik-Lung, M.
Vittal, J.J. 
Issue Date: 17-Dec-2007
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.
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.
Source Title: Organometallics
ISSN: 02767333
DOI: 10.1021/om700706r
Appears in Collections:Staff Publications

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