Abstract
The novel hierarchical flower-like SnO₂ (HFL-SnO₂) nanostructures with the diameter of about 500 nm, which are composed of regular-shaped nanosheets, are synthesized with a solvothermal method in the presence of 1 ml of Triethylamine (TEA) and the 0.2 mmol of Hexamethylene tetraamine (HMT) at 160 °C for 6 h. The SnO₂ has a high specific surface area of about 38.5 m²g-1. Based on the nucleation and self-assembly process, possible formation process of the new hierarchical flower-like nanostructures can be presented. The effects of TEA and HMT on the product are also studied. In addition, the product exhibits excellent photocatalttic activity to Methyl orange (MO) aqueous solution and possess good stability and reusability under visible light. This study will provide valuable experimental data for further study of nanomaterials and their photocatalytic properties.
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