Proceedings of the Korean Vacuum Society Conference (한국진공학회:학술대회논문집)
- 2014.02a
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- Pages.318.2-318.2
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- 2014
Application of Buffer Layers for Back Contact in CdTe Thin Film Solar Cells
- Chun, Seungju (Department of Materials Science and Engineering, Korea University) ;
- Kim, Soo Min (Department of Materials Science and Engineering, Korea University) ;
- Lee, Seunghun (Department of Materials Science and Engineering, Korea University) ;
- Yang, Gwangseok (Department of chemical and biological engineering, Korea University) ;
- Kim, Jihyun (Department of chemical and biological engineering, Korea University) ;
- Kim, Donghwan (Department of Materials Science and Engineering, Korea University)
- Published : 2014.02.10
Abstract
The high contact resistance is still one of the major issues to be resolved in CdS/CdTe thin film solar cells. CdTe/Metal Schottky contact induced a high contact resistance in CdS/CdTe solar cells. It has been reported that the work function of CdTe thin film is more than 5.7 eV. There has not been a suitable back contact metal, because CdTe thin film has a high work function. In a few decades, some buffer layer was reported to improve a back contact problem. Buffer layers which are Te,