Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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Preparation and Properties of $TiO_2$ Films for Solar Energy Utilization

태양에너지이용을 위한 $TiO_2$ 박막의 제작과 특성

  • 이길동 (경기대학교 자연과학대학 전자물리학과)
  • Received : 2010.05.06
  • Accepted : 2010.06.07
  • Published : 2010.06.30
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Abstract

$TiO_2$ thin films for solar energy utilization were prepared on ITO coated glass by r.f magnetron sputtering with variations of working pressure, oxygen flow rate and annealing temperature. Ion insertion and extraction reaction, and ion storage properties of films were investigated by using a cyclic voltammetry. Transmittance of thin films in as-prepared, colored and bleached states was measured by UV-VIS spectrophotometer. The samples deposited in our sputtering conditions showed poor electrochromic properties. Improvement in ion storage properties of $TiO_2$ thin film was observed after annealing at temperature of $400^{\circ}C$ in air for 2 hours. It was found that $TiO_2$ thin film in electrochromic device could be used as a passive counter-electrode.

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References

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