Abstract
A hydrothermal reaction of ZnO, HCl, pyromellitic acid, piperazine and water/DMF mixture gave rise to a layered Zn coordination polymer. The structure, determined by single crystal XRD, consists of a network of ZnO4 centers, tetrahedrally coordinated by pyromellitate anions giving rise to a two-dimensional sheet structure. The connectivity resembles a 4-connected network in which each Zn atom is connected to four BTEC anions and each BTEC anion is linked to four Zn2+ ions. The DMF, under hydrothermal conditions, has transformed into dimethylamine. Both the acid and polymer shows photoluminescence with the main emission band for the polymer at about 390 nm (lambda(ex) = 338 nm). Our continuing investigations clearly reveal that it is profitable to explore amine templated metal-organic frameworks. (C) 2004 Elsevier SAS. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 757-762 |
| Number of pages | 6 |
| Journal | Solid State Sciences |
| Volume | 6 |
| DOIs | |
| Publication status | Published - Jul 2004 |
Keywords
- zinc
- hydrothermal
- pyromellitate
- two-dimensional
- BTC(2-)=1,2,4,5-BENZENETETRACARBOXYLIC ACID DIANION
- HEXAAZA MACROCYCLIC COMPLEXES
- COORDINATION POLYMERS
- CRYSTAL-STRUCTURE
- HYDROTHERMAL SYNTHESIS
- 1,2,4,5-BENZENETETRACARBOXYLIC ACID
- MAGNETIC-PROPERTIES
- COPPER(II)
- FRAMEWORK
- CLUSTERS
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