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DOI: 10.1039/A904411F (Paper) Reference Section for: J. Mater. Chem., 1999, 9, 2919-2922

Triboluminescence and crystal structures of non-ionic europium complexes

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Xiao-Feng Chen, Xu-Hui Zhu, Yao-Hua Xu, S. Shanmuga Sundara Raj, Sema Öztürk, Hoong-Kun Fun, Jing Ma and Xiao-Zeng You

Abstract

The triboluminescence of three non-ionic europium complexes, Eu(TTA)3·bipy (1), Eu(TTA)3·dia (2) and Eu(DBM)3·dmbp·H2O (3) (TTA = 2-thenoyltrifluoroacetonate, DBM = dibenzoylmethanate, bipy = 2,2′-bipyridine, dia = 4,5-diazafluoren-9-one, dmbp = 4,4′-dimethyl-2,2′-bipyridinate), was observed. Structure determinations of 1 and 3 were carried out. The triboluminescence maxima of 1 and 2 are similar to those of their photoluminescence. The disorder of the thienyl ring and CF3 groups in 1 and the disorder of water in the packing of 3 may be responsible for their triboluminescent activity.

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