단결정 Si 태양전지 적용을 위해 제조된 무연 은 페이스트의 열 공정 최적화 및 전기적 특성 평가 = Thermal Process Optimization of Pb-free Ag-paste and Evaluation of Electrical Properties in Mono-Si Solar Cell

다국어 초록 (Multilingual Abstract)

Two kind of Ag-pastes were prepared for integrating the bulk Si solar cell. One is the Ag-paste with Pb-based glass frit and the other is that with Bi-based glass frit. The pastes were the mixture of 84 wt% Ag, 2 wt% glass frit, 11 wt% solvent of buthyl cabitol acetate, and 2 wt% additives. After fabricating the Ag-pastes, they was coated on a $SiN_x$/n+/p- stacks of a commercial mono-Si solar cell. The solar cell efficiency was 17.6% in the case of the Pb-based Ag-paste. However that was 16.2% in the solar cell integrated with the Bi-based Ag-paste. The lower performance in Bi-based Ag-paste was caused by the higher series resistance and the lower shunt resistance in comparison with the Pb-based Ag-paste.

참고문헌 (Reference)

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