Abstract
Rod-like hexagonal SrSn(OH)6 precursors were produced by a cyclic microwave radiation (CMR) of a template-free solution containing SnCl2·2H2O and (CH3CO2)2Sr at the pH 12.2, adjusted by NaOH solution. The rod-like hexagonal SrSn(OH)6 precursors were calcined at 500°C, 700°C and 900°C for 3h following the thermogravimetric analysis. In the end, the perovskite orthorhombic SrSnO3 products in the shape of rods with 530cm−1 Sn–O stretching mode, characterized by X-ray diffraction, electron microscopy and Fourier transform infrared spectroscopy, were produced. UV–visible analysis of the best crystalline rod-like SrSnO3 indicated an exponential decreasing of photonic absorption attenuated through the orthorhombic SrSnO3 solid with 3.91eV direct energy gap, including 85% decolorization efficiency under UV light for 320min.
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