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제106회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis of chalcopyrite nanocrystal inks by a solvothermal route for CIGS thin films

등록일
2010년 8월 31일 11시 28분 35초
접수번호
1548
발표코드
Ⅳ-MAT.P-151 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅳ>
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
조진우, 김웅1, 민병권2
고려대학교 신소재공학과, Korea
1고려대학교 신소재공학부, Korea
2한국과학기술연구원 청정에너지연구센터, Korea
Non-vacuum processes such as printing, electroplating and spraying have been suggested to solve the high cost problems of the current vacuum based Cu(InxGa1-x)Se2 (CIGS) solar cell fabrication methods. Particularly, the printing method using a nanocrystal ink would be the most promising considering manufacturing cost and large panel fabrication. In this study, in order to achieve the printable CIGS thin films, chalcopyrite copper indium sulfide (CuInS2), copper indium selenide, and copper indium gallium selenide (Cu(InxGa1-x)Se2) nanocrystals were synthesized by an arrested precipitation in solution. These nanocrystals were then re-dispersed in organic solvent with a suitable viscosity to use as an ink. After drop casting and annealing the films were sulfurized and/or selenized in H2S/Ar and/or Se vapor environment, respectively. The structural and optical properties of the chalcopyrite nanocrystals and films will be discussed in the presentation.

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