Abstract
A new ceramic nanomaterial, SiO2/NPsSm2O3/C-graphite (specific surface area 340 m2 g−1), obtained by the sol-gel process, was synthesized for industrial, pharmaceutical, and environmental purposes. Information on the ceramic formation dynamics and its behavior were obtained by determining the following parameters: surface area, pore volume, imaging and three-dimensional appearance (scanning electron microscopy, coupled to dispersive energy spectroscopy), molecular structure and the presence of functional groups (thermogravimetry, Fourier-transform infrared absorption spectroscopy, and 29Si nuclear magnetic resonance), and electrochemical behavior. SiO2/NPsSm2O3/C-graphite was used to construct electrodes with promising properties and showed that it can be used as a base substrate for the immobilization of electroactive species in electrochemistry and electrocatalysis.
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