花棒状ZnO单晶体的生长与表征

  • 霍国燕 ,
  • 张成会 ,
  • 张红生 ,
  • 袁继承
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  • 1.河北大学,化学与环境科学学院,河北,保定,071002; 2.河北大学,实验管理办公室,河北,保定,071002

网络出版日期: 2010-09-25

基金资助

河北省自然科学基金资助项目

Self-assembly Growth, Morphology and Characterization of Flower-like ZnO

  • HUO Guo-yan ,
  • ZHANG Cheng-hui ,
  • ZHANG Hong-sheng ,
  • YUAN Ji-cheng
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Online published: 2010-09-25

摘要

采用表面活性剂协助自组装法合成了花棒状ZnO,利用X射线衍射、扫描电镜、红外光谱和荧光光谱对该化合物的晶体结构、样品形貌、振动光谱以及发射光谱进行了表征. 结果表明:ZnO在表面活性剂的存在下,形成纤锌矿型的六方结构,晶体的生长是沿c轴[001]方向定向生长,并且聚集在某一中心的晶核向三维方向定向生长形成花状形貌. 该ZnO晶体的晶胞参数为a = 0.324 85(6) nm,c=0.520 43(8) nm,γ = 120°. 在测量波长范围内ZnO的发射光谱在315,400,473和560 nm左右出现荧光,这些发射光谱的波长位置不随激发光波长的增长而变化,而散射光谱峰的波长位置随激发光的波长增加而增加.

本文引用格式

霍国燕 , 张成会 , 张红生 , 袁继承 . 花棒状ZnO单晶体的生长与表征[J]. 河北大学学报(自然科学版), 2010 , 30(5) : 512 -515 . DOI: 10.3969/j.issn.1000-1565.2010.05.015

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