한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제44권6호
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  • Pages.260-263
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  • 2011
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지
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RF 마그네트론 스퍼터링법으로 증착한 태양전지용 GZO/ITO 투명전도성 박막의 물성에 미치는 ITO층의 영향

Effect of ITO Layer on Electrical and Optical Properties of GZO/ITO Double-layered TCO Films Deposited by RF Magnetron Sputtering for Application to Solar Cells

  • Chung, Ah-Ro-Mi (Department of Materials Science and Engineering, Pusan National University) ;
  • Song, Pung-Keun (Department of Materials Science and Engineering, Pusan National University)
  • 투고 : 2011.11.17
  • 심사 : 2011.12.30
  • 발행 : 2011.12.31
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초록

GZO/ITO double layered films were deposited on unheated non-alkali glass substrates by RF magnetron sputtering using an ITO ($SnO_2$: 10 wt%) and GZO($Ga_2O_3$: 5.57 wt%) ceramic targets, respectively. The electrical resistivity of GZO/ITO films depends on the thickness ratio between the GZO film and ITO film. With increasing ITO film thickness, the resistivity of GZO/ITO films decreased which due to large increase in the Hall mobility. Also, the crystallinity of GZO/ITO film was improved with an increase in ITO thickness which was evaluated by X-ray diffraction. The average transmittance of the films was more than 85% in the visible region, which is slightly higher than ITO single layer films.

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