Crystal growth and optical properties with preheating temperature of solgel derived ZnO thin films

Young-Sung Kim (김용성); Su-Jeong Suh (서수정); Yong-Jin Song (송용진); Choong-Sun Lee (이충선); Ik-Joo Kim (김익주); Hyungduk Ko (고형덕); Weon-Pil Tai (태원필)

Crystal growth and optical properties with preheating temperature of solgel derived ZnO thin films

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2004, 14(5), pp.187-192
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : June 4, 2004
Accepted : August 31, 2004

Young-Sung Kim ¹, Su-Jeong Suh ², Yong-Jin Song ³, Choong-Sun Lee ³, Ik-Joo Kim ⁴, Hyungduk Ko ², Weon-Pil Tai ⁵

¹서울과학기술대학교
²성균관대학교
³아주대학교
⁴LG연구소
⁵독립연구자

Accredited

ABSTRACT

We try to use isopropanol which has low boiling point to prepare ZnO thin films at low temperature. ZnO thin films were prepared by sol-gel spin-coating method using zinc acetate dehydrate-isopropanol-monoethanolamine (MEA) solution. The c-axis preferred orientation and optical properties of ZnO films with preheating temperature have been investigated. ZnO thin films were preheated at 200 to 300oC with an interval of 25oC and post-heated at 650oC. The ZnO film preheated at 275oC and post-heated at 650oC was highly oriented along c-axis (002) plane, and the surface with homogeneous and dense microstructures was formed having nano-sized grains. The optical transmittance was above 90 % in the visible range and exhibited absorption edges at 368 nm wavelength.

KEYWORDS

Zinc oxide, Sol-gel process, Thin films, Preheating temperature

Citation status

* References for papers published after 2023 are currently being built.

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