The template-free synthesis of square-shaped SnO(2) nanowires: the temperature effect and acetone gas sensors.
作者： Lipeng Qin , Jiaqiang Xu , Xiaowen Dong , Qingyi Pan , Zhixuan Cheng
DOI: 10.1088/0957-4484/19/18/185705
关键词:
摘要: Square-shaped single-crystalline SnO 2 nanowires and their sphere-like hierarchical structures were synthesized successfully with a template-free hydrothermal approach. It was found that an intermediate phase—Na 2 Sn (OH) 6—is first produced because it is slow to dissolve in ethanol/water media. The intermediate phase gradually decomposes and converts into SnO 2 at temperatures higher than 200 C. The reaction temperature also affects the microstructure of SnO 2 nanomaterials. Uniform square-shaped SnO 2 …
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