journal6 ›› 2013, Vol. 34 ›› Issue (3): 31-34.DOI: 10.3969/j.issn.1007-2985.2013.03.007

• 物理与电气工程 • 上一篇    下一篇

缓冲层对AZO薄膜的性能影响

  

  1. (吉首大学物理与机电工程学院,湖南 吉首 416000)
  • 出版日期:2013-05-25 发布日期:2013-07-18
  • 通讯作者: 赵鹤平(1966-),男(土家族),湖南张家界人,吉首大学物理与机电工程学院教授,硕导,主要从事凝聚态物理研究.
  • 作者简介:李长山(1987-),男,黑龙江哈尔滨人,吉首大学物理与机电工程学院硕士生,主要从事凝聚态物理研究
  • 基金资助:

    湖南省自然科学基金资助项目(09JJ6011);湖南省高等学校科研基金资助项目(08A035);湖南省研究生科研创新项目(CX2011B399)

Effect of Buffer Layers on the Properties of Al-Doped ZnO Films

  1. (College of Physics and Electronic Engineering,Jishou University,Jishou 416000,Hunan  China)
  • Online:2013-05-25 Published:2013-07-18

摘要:采用射频磁控溅射法分别在ZnO缓冲层和Al2O3缓冲层上制备Al掺杂ZnO(AZO)薄膜,利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)、紫外-可见分光光度计、霍尔测试仪等仪器对薄膜的光电特性进行表征.XRD分析结果表明,加入缓冲层的薄膜具有更好的c轴择优取向,薄膜的表面平整,结晶质量有所改善,薄膜在可见光范围内的平均透过率超过80%.引入ZnO缓冲层制备的AZO薄膜的最低电阻率为5.8×10-4 Ω·cm,导电性能得到明显提高.

关键词: AZO薄膜, 缓冲层, 透过率, 光电特性

Abstract: AZO films with Al2O3 and ZnO buffer layers were deposited by RF magnetron sputtering.The structure and optoelectronic properties of AZO films were analyzed by some characterization instruments,such as X-ray diffractometer (XRD),scanning electron micro-scope (SEM),UV-visible spectrophotometer,Hall test.The results show that the films with buffer layers have better c-axis preferred orientation,and smooth surface.The crystal quality has been improved.The transmittance of films is over 80% in the visible range.AZO films deposited on ZnO buffer layer have the lowest resistivity of 5.8×10-4 Ω·cm,and the conductive property of the films is improved obviously.

Key words: AZO thin film, buffer layer, transmittance, optoelectronic properties

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