Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 15, Issue 27-28, Pages 2714-2720Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b501644d
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Two crown ether-containing platinum(II) alkynyl terpyridine complexes, [Pt(tpy)(C equivalent to C-benzo-15-crown-5)]OTf (1) and [Pt(tpy)(C equivalent to C-N-phenylaza-15-crown-5)]OTf (2) (tpy = 2,2':6',2 ''-terpyridine), have been synthesized and characterized. UV-vis spectrophotometric, emission and H-1 NMR titration methods were employed to investigate their ion-binding properties. Complex 1 was found to show luminescence enhancement upon binding of Mg2+ and Ca2+ ions to its crown cavity.
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