Multiple coating of titanium-boron oxide sol-gel on glass

Chih Wen Hsieh, Anthony S.T. Chiang, Cheng Chung Lee, Shun Lih Tu

研究成果: 雜誌貢獻期刊論文同行評審


TiO2/1bB2O3 composite thin films have been coated on microscope slides by a multiple dip-coating technique. Films produced with heating steps between the deposition of successive layers exhibit a better optical quality than those without. The former have a smaller grain size, less than 30nm as measured by SEM, and therefore result in less transmittance loss at the short wavelength region. X-ray diffraction studies show that these films are amorphous even after 500°C calcination, while films produced without intermediate heating become slightly crystallized after the same treatment. The thickness of the coated film is proportional to the number of layers applied. A film about 200nm in thickness can be produced by just four coatings. The refractive index of the film is 2.23 as evaluated from the transmission spectrum.

頁(從 - 到)715-722
期刊Materials Research Bulletin
出版狀態已出版 - 6月 1992


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