Synthesis of SnO2 trough eggshell membrane biomimetization: influence of thermal treatment

Reference	Presenter	Authors (Institution)	Abstract
03-019	Rubens Camaratta	Camaratta, R.(UFPel); Nunes, U.d.(UFPel); Vieira, K.P.(UFPel);	In this work, a facile method of synthesis is reported to synthesize tin dioxide (SnO2) nanoparticles. The simple submersion of eggshell membranes (ESM) in a solution of SnCl2 lead to a hybrid material which was thermally treated at600°, 700° and 800°C resulting SnO2 powders. The thermally treated powders were characterized by scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD). The results showed nanocrystals forming an interwoven fibrous structure replicating the ESM natural structure. The XRD patterns revealed the formation of the tetragonal SnO2 structure in nanometric sizes. The crystallite sizes increase proportionally to thermal treatment temperature.
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