Zhang, Kou-Lin and Liang, Wei and Chang, Yan and Yuan, Li-Min and Ng, Seik Weng (2009) Syntheses, characterization and luminescent properties of two lead(II) fumarate metal-organic frameworks. Polyhedron, 28 (4). pp. 647-652. ISSN 0277-5387, DOI https://doi.org/10.1016/j.poly.2008.10.074.
Full text not available from this repository.Abstract
It is of interest that the hydrous 3D metal-organic framework (MOF) {[Pb2(fum)2(H2O)4] · 2H2O}n (1) has been synthesized by the reaction of the fum dianion with the lead(II) ion (fum = fumarate) in the presence of pyrazole, while the anhydrous 3D MOF [Pb(fum)]n (2) is obtained by the reaction of the fum dianion with the lead(II) ion in the presence of pyrazine. These complexes were further characterized by FT-IR spectroscopy, thermogravimetric analysis (TG), X-ray analysis and solid state photoluminescence spectra. The arrangement of the ligands displays a coordination gap around the Pb atom, occupied possibly by a stereoactive lone pair of electrons on lead(II), with the coordination around both the eight-coordinated lead atom in 1 and six-coordinated lead atom in 2 exhibiting a hemidirected geometry. The fum ligand shows different ligation behavior toward the lead(II) ions in these complexes. These compounds exhibit photoluminescence with the maximum emission located in the UV region. © 2008.
| Item Type: | Article |
|---|---|
| Funders: | Foundation of Jiangsu Provincial Key Program of Physical Chemistry in Yangzhou University |
| Uncontrolled Keywords: | Lead(II) complexes; Characterization; MOFs; Coordination gap; Photoluminescence |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 21 Jul 2020 06:54 |
| Last Modified: | 21 Jul 2020 06:54 |
| URI: | http://eprints.um.edu.my/id/eprint/25147 |
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