基于氧化铝模板的有序ZnO纳米棒的合成及光学特性研究

功能材料, 2009, 40(4): 696-699.

基于氧化铝模板的有序ZnO纳米棒的合成及光学特性研究

蒋震宗 ^1, , 范东华 ^2, , 许丹华 ^3, , 朱雨富 ^4, , 沈文忠 ^5,

1.上海交通大学物理系,上海,200240

2.五邑大学数理系,广东江门,529020

3.上海交通大学物理系,上海,200240

4.上海交通大学物理系,上海,200240

5.上海交通大学物理系,上海,200240

基金项目: 国家自然科学基金重点项目(10734020)

关键词：热蒸发 , ZnO纳米棒 , 光致发光

Synthesis and optical property research of Well-ordered Zn0 nanorods arrays based on AI203 membrane

利用高度有序的多孔氧化铝膜作为模板,使用简单的热蒸发Zn粉的方法,成功地制备出高度有序的ZnO纳米棒束,该方法克服了制备有序纳米结构通常需要的催化剂或复杂的合成过程.利用扫描电镜、透射电镜和X射线衍射研究了样品的形貌及其结构特性,其结果表明模板表面所制备的ZnO纳米棒具有更好的有序度和结晶质量,从而推断出模板表面有序ZnO纳米棒的形成应该同模板表面局域化负电荷的存在有关.同Si基片上所形成无序纳米棒的光致发光谱相比,模板表面所形成的有序ZnO纳米棒束具有更强的紫外峰,表明有序的ZnO纳米棒具有更好的结晶质量和光学特性.

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基于氧化铝模板的有序ZnO纳米棒的合成及光学特性研究

Synthesis and optical property research of Well-ordered Zn0 nanorods arrays based on AI203 membrane

参考文献