Fabrication of ATO thin film for IR-cut off by sol-gel method (솔-젤 법에 의한 적외선 차단 ATO 박막 제조)

Jinho Kim (김진호); 이광희; Mi-Jai Lee (이미재); Jonghee Hwang (황종희); Tae-Young Lim (임태영)

doi:10.6111/JKCGCT.2013.23.5.230

Fabrication of ATO thin film for IR-cut off by sol-gel method

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2013, 23(5), pp.230~234
DOI : 10.6111/JKCGCT.2013.23.5.230
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

Jinho Kim ¹, 이광희 ², Mi-Jai Lee ¹, Jonghee Hwang ¹, Tae-Young Lim ¹

¹한국세라믹기술원
²디오

Accredited

ABSTRACT

IR cut-off thin films consisted of ATO nanoparticles were successfully fabricated by sol-gel method. The coating solution was synthesized with organic/inorganic hybrid binder and ATO colloidal solution and ATO thin films were coated on a slide glass with the withdrawal speed of 5~40 mm/s. As the withdrawal speed increased from 5 mm/s to 40 mm/s, the thickness of coating thin films also increased from 1.05 μm to 4.25 μm and the IR cut-off in wavelength of 780~2500 nm increased from 49.5 % to 66.7 %. In addition, the pencil hardness of ATO thin films dried at 80oC was ca. 5H and the coating films were not removed after a cross cutter tape test because of the hybrid binder synthesized with tetraethylorthosilicate and methyltrimethoxysilane. The surface morphologies, optical properties and film thickness of prepared thin films with a different withdrawal speed were measured by field emission scanning electron microscope (FESEM),UV-Vis spectrophotometer, and Dektak.

KEYWORDS

IR-cut off, Thin film, Coating, Transmittance, Sol-gel

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Journal of the Korean Crystal Growth and Crystal Technology 2025 KCI Impact Factor : 0.14 KCI-WoS Impact Factor : 0.45

Fabrication of ATO thin film for IR-cut off by sol-gel method

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* References for papers published after 2025 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2025 KCI Impact Factor : 0.14 KCI-WoS Impact Factor : 0.45

Fabrication of ATO thin film for IR-cut off by sol-gel method

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