Efecto de la naturaleza del precursor sobre las caracteristicas de las nanoparticulas de SnO2 sintetizadas

Química Nova

Carlos E. Ararat-ibarguen²  Alejandra Montenegro¹  Jorge E. Rodríguez-páez¹  Julián Urresta Aragón¹ 

[1] ,Universidad del Cauca Departamento de Química Popayán,Colombia

关键词: synthesis;    precipitation;    nanoparticles;   

DOI  :  10.1590/S0100-40422007000700015

来源: SciELO

【 摘 要 】

Tin oxide (SnO2) is widely used in industry as raw material for electronic devices, plating of different types of materials, for dyes and pigments, for electroplating, heterogeneous catalysis, etc. In this work SnO2 was obtained by a controlled precipitation method with special attention to the effects the tin precursor has on the microstructure of the final product. The most appropriate pH for obtaining SnO2 with the rutile structure as the main phase is 6.25 for SnCl2 and 6.40 for SnSO4. After heat treatment at 600 °C, particles of nanometric order (~10 - 30 nm approx) were obtained. The characterization of the solid phase was made by X-ray diffraction (XRD), thermal analysis (DTA/TG), transmission electron microscopy (TEM) and Fourier transformed infrared spectroscopy (FTIR).

【 授权许可】

CC BY-NC   
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