激光液相烧蚀法制备纳米ZnO及其发光性能研究

来源 :第十二届全国X射线衍射学术大会暨国际衍射数据中心(ICDD)研讨会 | 被引量 : 0次 | 上传用户：ameiameiiou

【摘要】

：

　　利用532 nm脉冲激光对沉浸在十六烷基三甲基溴化铵(CTAB)的水溶液中的金属锌靶进行液相激光烧蚀,合成了纳米ZnO.利用X射线衍射仪,透射电子显微镜和荧光光度计表征产物的

【作者】

：

王顺利方合安跃华吴杰涛沈静琴唐为华李培刚

【机构】

：

浙江理工大学物理系,光电材料与器件中心,杭州,310018北京邮电大学理学院,光电材料与器件研究室,北京,100876

【出处】

：

第十二届全国X射线衍射学术大会暨国际衍射数据中心(ICDD)研讨会

【发表日期】

：

2015年10期

【关键词】

：

液相激光烧蚀 CTAB 纳米ZnO 自组装缺陷发光

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论文部分内容阅读

　　利用532 nm脉冲激光对沉浸在十六烷基三甲基溴化铵(CTAB)的水溶液中的金属锌靶进行液相激光烧蚀,合成了纳米ZnO.利用X射线衍射仪,透射电子显微镜和荧光光度计表征产物的微观结构和发光性能.结果表明：纳米ZnO通过自组装形成不均匀的薄膜状结构,这种自组装是由于CTAB分子与纳米晶粒的静电排斥作用.纳米胶体溶液在411 nm(3.02eV),436nm(2.84eV),558(2.22eV)附近均有发光峰,其发光是由于本征缺陷的锌间隙和氧空位导致的.

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激光液相烧蚀法制备纳米ZnO及其发光性能研究

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