Bulletin of the Korean Chemical Society

  • 제21권12호
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  • Pages.1181-1186
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  • 2000
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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The Effect of Processing Variables on Structural Changes and Optical Properties of $SiO_2-TiO_2$ Sol-Gel Derived Films

  • 발행 : 20001200
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초록

The structural evolution during the thermal treatment of $70SiO_2-3OTiO_2(mole%)$ sol-gel derived powders and films was investigated by FT-IR, Raman and XPS, and XRD. From these results, the $TiO_2-rich$ regions involving $Ti^{4+}$ ions in octahedral coordination were confirmed to be amorphous at $600^{\circ}C$. However, Raman spectra along with XRD patterns indicated that at high temperature (above $700^{\circ}C)$, the amorphous $TiO_2was$ segregating to form anatase crystal. Also, the effect of experimental variables such as thermal treatment, heating rate and exposure to water vapor on structural changes, refractive index and thickness of the film coated on sodalime-silicate glass were investigated.

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참고문헌

  1. J. Sol-Gel Sci. Technol. no.1 Mackenzie, J. D.
  2. J. Sol-Gel Sci. Technol. no.8 Righini, G. C.;Pelli, S.
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