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Solid-State Luminescence and π-Stacking in Crystalline Uranyl Dipicolinates

✍ Scribed by Jack M. Harrowfield; Noël Lugan; Gholam H. Shahverdizadeh; Ali A. Soudi; Pierre Thuéry

Book ID: 102168553
Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 333 KB
Volume: 2006
Category: Article
ISSN: 1434-1948
DOI: 10.1002/ejic.200500671

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✦ Synopsis

Abstract

Crystal structure determinations on the hydrated forms of the complexes M~2~UO~2~(dipic)~2~, M = H, Rb, Cs, dipic = dipicolinate = pyridine‐2,6‐dicarboxylate, all of which show strong solid‐state luminescence from the uranyl centre, have as a common feature extended π‐stacking arrays of the dipicolinate ligands. Comparisons with related but non‐luminescent complexes indicate that these stacking arrays may be associated with efficient energy transfer from the dipicolinate “antennae” to the uranyl unit. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

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