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蠕虫状SnO_2纳米管的水热方法制备和光学性能研究 被引量：1

Hydrothermal Synthesis and Photoluminescent Property Study of Vermiculate SnO_2 Nanotubes
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摘要 利用低温水热方法成功合成了一种蠕虫状多孔形SnO2纳米管。分别利用X射线衍射、扫描电子显微术和光致发光等方法研究了其结构、成分和光致发光性能。X射线衍射结果表明合成的SnO2纳米管为金红石型单相结构,扫描电子显微图像清晰显示生长的SnO2纳米管长度为2～10μm,直径约为300nm,壁厚约为20nm,壁上生长SnO2纳米颗粒结构。实验观察到样品在可见光范围内有一宽带光致发光谱,归因于氧空位和缺陷引起的发光。 A unique vermiculate porous SnO2 nanotubes were synthesized by a low temperature hydrothermal method. Morphology, crystal structure and optical properties of the product were characterized by field-emission scanning electron microscopy （FE-SEM）, X-ray diffraction （XRD） and photoluminescence （PL）, respectively. The result of XRD indicates that the as-prepared SnO2 nanotubes are the ruffle structure with single phase. The images of the FESEM show that the length of the SnO2 nanotubes is 2 -10um and the diameter is about 300nm, respectively. The wall of the SnO2 nanotubes is full of SnO2 nanoparticles and the wall thickness of the nanotubes is about 20nm. The PL spectrum shows a wide visible light luminescence which is attributed to the oxygen vacancies and defects.
作者 李鹏飞 李岩 王凤平 胡建玲 李泉水 徐美 邱红梅 潘礼庆
机构地区 北京科技大学数理学院 三峡大学理学院和新能源研究院
出处 《材料导报》 EI CAS CSCD 北大核心 2012年第24期57-59,共3页 Materials Reports
基金 中央高校基本科研业务费专项资金(FRF-BR-09-007A)
关键词 SnO2纳米管 水热方法 多孔结构 光致发光 SnO2 nanotubes, hydrothermal method, porous structure, photoluminescence
分类号 O472.3 [理学—半导体物理]
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参考文献20

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共引文献3

同被引文献18

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引证文献1

材料导报
2012年 第24期

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