Abstract
Abstract 1-Phenyl-1H-tetrazol-5-thiol (Hptt) has been used to prepare a series of inorganic and organometallic mercury(II) complexes. The prepared complexes were characterized by FTIR, 1H, 13C-{1H} NMR and CHN. The -COOH functionalized carbon nanotubes were used as co-organic nano ligands for preparation of a series of nano supported complexes. The resulted nano supported complexes were characterized by thermal analysis, FTIR, EDX and SEM. Results suggest that the MWCNTs-COOH is coordinated to mercury(II) through the oxygen atom of the carboxylic group in a monodentate fashion and the Hptt linked to mercury(II) through the sulfur atom of the thiolato group in a monodentate fashion. Moreover, after evaluation of their BET surface areas, the hydrogen storage capacities of the prepared nano supported complexes were studied. The measurements showed that the materials had a very high H2 storage capacity reached, 222 g/cm3 at 800 torr and 77 K.
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