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Cyclam complexes containing silica gels for dioxygen adsorption
Journal of Materials Chemistry
Several cyclam incorporating silica gels have been synthesised using three different methods, including a sol-gel approach. These various materials show different textures and the macrocycle contents can reach values up to 1.5 mmol g 21 . Cu(II) and Co(II) complexes of these modified silica gels have been studied. Finally, the efficiency of [Co(cyclam)] 21 grafted onto silica for binding dioxygen has been determined using ESR spectroscopy and static volumetric gas uptake measurements. The mostdoi:10.1039/b203372k fatcat:c7ucg2hplbawboodo52fhnw2ge