熔融燃烧法制备四针状纳米氧化锌

功能材料, 2007, 38(3): 495-498.

熔融燃烧法制备四针状纳米氧化锌

陈亮 ^1, , 宋武林 ^2, , 谢长生 ^3, , 林路峰 ^4, , 王建国 ^5,

1.华中科技大学,材料科学与工程学院模具技术国家重点实验室,湖北,武汉,430074

2.华中科技大学,材料科学与工程学院模具技术国家重点实验室,湖北,武汉,430074;华中科技大学,分析测试中心,湖北,武汉,430074

3.华中科技大学,材料科学与工程学院模具技术国家重点实验室,湖北,武汉,430074

4.湖北科亿粉体材料有限公司,湖北,鄂州,436070

5.湖北科亿粉体材料有限公司,湖北,鄂州,436070

基金项目: 国家自然科学基金(50471061)

关键词：熔融燃烧 , 四针状 , 纳米氧化锌 , 生长机理

Tetrapod nano-ZnO prepared by melting-combustion method

将工业纯锌加热熔化后在氧乙炔火焰场中燃烧并冷凝制得四针状纳米ZnO.经XRD分析产物为ZnO无其它物相存在,场发射扫描电镜及透射电镜分析发现产物基本是四针状的纳米ZnO,针脚长度约100～150nm,直径为20～30nm.产物的形貌与收集条件有密切的关系,有水冷却的收集室壁的产物在针脚长度方向上形成台阶,而在燃烧室高温区停留时间过长则会导致产物尺寸长大.最后对用熔融燃烧法制备四针状纳米ZnO的生长过程和机理进行了分析.

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熔融燃烧法制备四针状纳米氧化锌

Tetrapod nano-ZnO prepared by melting-combustion method

参考文献