Heterometallic Chalcogenido Clusters Containing Lanthanides and Main Group Metals: Emissive Precursors to Ternary Solid-State Compounds
- 15 September 2005
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 127 (40), 14008-14014
- https://doi.org/10.1021/ja0534708
Abstract
Heterometallic clusters containing lanthanides and the group 12 metals can be isolated as crystalline compounds in high yields. These products [(py)8Ln4M2Se6(SePh)4 (Ln = Er, Yb, Lu; M = Cd, Hg)] adopt a double cubane structure with the covalent M occupying an opposing pair of external metal sites. Both Er/M compounds are strongly emissive materials, with emission lifetimes of 1.41 ms (Er/Cd) and 0.71 ms (Er/Hg) and with the Er/Cd radiative quantum efficiency twice that of the Er/Hg compound. Thermal decomposition of the Er/Cd and Yb/Cd compounds at 650 °C give the ternary solid-state materials CdLn2Se4.This publication has 61 references indexed in Scilit:
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