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Effects of post annealing on structural, electrical and optical properties of ZnO:Al thin films prepared by RF magnetron sputtering

  • Jianhua Ma*
  • , Yan Liang
  • , Niangjuan Yao
  • , Xiaojing Zhu
  • , Jinchun Jiang
  • , Junhao Chu
  • *此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Al doped ZnO (ZnO:Al, AZO) thin films were deposited on ordinary soda-lime glass (SLG) substrates by RF magnetron sputtering. Effects of post annealing (300~600 °C for 2~30 min in air and N2, respectively) were studied. All the films were wurtzite structure with highly c-axis preferential orientation. Their electrical properties were relatively stable at the post annealing temperature of 300 °C. As the temperature further increasing, post annealing in air leaded to drastic degradation in the electrical properties, while that in N2 had relatively small influence. Diffusion of alkali ions from SLG substrates was deduced to be one of the influence factors for electrical properties. The spectra measurements showed that the post annealing mainly affected the transmittance in the near-infrared and infrared (NIR-IR) range and the optical band gap (Eg). The variation of Eg was attributed to the Burstein-Moss (BM) shift modulated by many-body effects.

源语言英语
主期刊名Eighth International Conference on Thin Film Physics and Applications
DOI
出版状态已出版 - 2013
已对外发布
活动8th International Conference on Thin Film Physics and Applications, TFPA 2013 - Shanghai, 中国
期限: 20 9月 201323 9月 2013

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
9068
ISSN(印刷版)0277-786X
ISSN(电子版)1996-756X

会议

会议8th International Conference on Thin Film Physics and Applications, TFPA 2013
国家/地区中国
Shanghai
时期20/09/1323/09/13

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