Fabrication of transparent conductive zinc oxide films by chemical bath deposition using solutions containing Zn2+and Al3+ ions

Takahiro Morita, Shintaro Ueno, Eiji Hosono, Haoshen Zhou, Manabu Hagiwara, Shinobu Fujihara

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Transparent ZnO films were fabricated on glass substrates by a chemical bath deposition method using zinc acetate solutions also containing AlCl3. A predominant effect of the Al3+ addition seemed to be suppression of the growth of ZnO crystals and change of the crystallographic orientation of ZnO films. The c-axis and the a-axis of the ZnO films came to stand parallel and vertical to the substrate, respectively, by increasing the Al3+ concentration. A post ultraviolet irradiation to the films led to a decrease in the sheet resistance from the order of 106 to 104 Ω·sq.-1 without changing the morphology or the crystallinity. This might be related to the photocatalytic effect of ZnO to decompose residual organics in the films and increase the number of carriers. The ZnO film obtained from the solution with 1.0 mol % AlCl3 showed the lowest sheet resistance of 2.5 × 104 Ω·sq.-1.

本文言語English
ページ(範囲)329-334
ページ数6
ジャーナルJournal of the Ceramic Society of Japan
123
1437
DOI
出版ステータスPublished - 2015

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 化学 (全般)
  • 凝縮系物理学
  • 材料化学

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