Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 12, Issue 3, Pages 267-271Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2009.01.009
Keywords
Unsymmetrical exo-dentate ligand; Zn-Nd Schiff-base complex; Self-assembly; Flexibility of linked groups; NIR luminescence
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Funding
- National Natural Science Foundation [20871098]
- Provincial Natural Foundation of Shaanix [200713103]
- Education Committee Foundation of Shaanxi Province [07JK391]
- Graduate Cross-discipline Funds of Northwest University [07YJC11]
- Hong Kong Research Grants Council in PR China [HKBU 202427]
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With the hetero-binuclear Zn-Nd complex from the ethylene- or phenylene-linkered Salen-type Schiff-base ligand as the building block, further self-assembly of the unsymmetrical exo-dentate IN- (IN- = isonicotinic) anion gave a 2D layer polymeric [(ZnLNd)-Nd-1(IN)(NO3)(2)](n) (1) (H2L1 = N,N'-bis(3-methoxy-salicylidene)ethylene-1,2-diamine) or a discrete binuclear [(ZnLNd)-Nd-2(IN)(NO3)(2)(DMF] (2) (H2L2 = N,N'-bis(3-methoxy-salicylidene)phenylene-1,2-diamine) complex, respectively. The change of linker flexibility of two Salen-type Schiff-base ligands (H2L1 and H2L2) resulted in the difference of structures and NIR luminescent properties of their mixed-ligands complexes. (C) 2009 Elsevier B.V. All rights reserved.
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