Abstract
In this paper, a new supramolecular assembled Keggin polyoxometalate (POM) based organic-inorganic porous material (A; [HSiMo12O40].3[C10H11N4O2S].48H2O) containing the compound sulfadiazine (SZD) has been prepared and its molecular structure was determined. To characterize the hybrid compound (A), X-ray crystallography, MALDI-TOF, UV–Vis, photoluminescence and FTIR methods were used. The electrochemical properties of the Keggin POM, SZD and porous hybrid (A) compounds were investigated in the −1.8 – 1.8 V range and the redox processes at some potentials of the hybrid compound (A) are irreversible at 250 and 500 mV/s scan rates. Thermal stability properties of the hybrid compound (A) were investigated by the TGA/DTA instruments. The loss of the adsorbed water molecules on the hybrid compound (A) starts at 28 °C temperature. Crystal structure of the hybrid compound contains a Keggin type polyoxometalate [HSiMo12O40]3− and three monoprotonated sulfadiazinium (HSZD)+ cations. In the structure of the hybrid material, there are solvent accessible voids along a axis filled with water molecule.
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