Controlled Growth of SnO2 Micro/Nanocrystals with Different Morphologies via a Solution Method

Tie Kun Jia; Wei Min Wang; Zheng Yi Fu; Fei Huang; Hao Wang

doi:10.4028/www.scientific.net/AMR.66.155

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Controlled Growth of SnO₂ Micro/Nanocrystals with Different Morphologies via a Solution Method

Abstract:

SnO2 nanocrystals with various morphologies were synthesized via a hydrothermal method assisting by the surfactant CTAB. The morphologies of the products were significantly dependent on the synthesis conditions. The products were characterized by X-ray diffraction (XRD) and field scanning electron microscopy (FESEM).The results showed products SnO2 nanoparticles and spheres like structure assembled with nanocones were obtained by varying the dosage of CTAB and the concentration of NaOH. The forming process of SnO2 sphere like structure was discussed and the proposed mechanism was put forward in this work.