Please use this identifier to cite or link to this item: https://doi.org/10.1021/om800410m
Title: Switching on the phosphorescence of pyrene by cycloplatination
Authors: Hu, J. 
Yip, J.H.K. 
Ma, D.-L.
Wong, K.-Y.
Chung, W.-H.
Issue Date: 12-Jan-2009
Citation: Hu, J., Yip, J.H.K., Ma, D.-L., Wong, K.-Y., Chung, W.-H. (2009-01-12). Switching on the phosphorescence of pyrene by cycloplatination. Organometallics 28 (1) : 51-59. ScholarBank@NUS Repository. https://doi.org/10.1021/om800410m
Abstract: 1-Diphenylphosphinopyrene (1-PyP) and 1,6-bis(diphenylphosphino)pyrene (1,6-PyP) can be metalated at C5 and C10 to give cyclometalated complexes [M(L)(1-PyP-H)]+ and [M2(L)2(1,6-PyP)] 2+ (M = Pd or Pt, L = diphosphines). The π-π* transitions of the pyrenyl ring are strongly perturbed by the PPh2 groups at C1/6, while the perturbation of the metal ions at C5/10 is weak. The phosphorescence of the pyrenyl ring is strongly enhanced by the heavy atom effect of the Pt ion up to a quantum yield of 1.5 × 10-2. Direct coordination of the Pt ion to the pyrenyl ring is needed for enhancement of the phosphorescence. © 2009 American Chemical Society.
Source Title: Organometallics
URI: http://scholarbank.nus.edu.sg/handle/10635/94996
ISSN: 02767333
DOI: 10.1021/om800410m
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