Laser Sintering of Screen-printed Silver Paste for Silicon Solar Cells

被引：0
|
作者：
Lin, Yafu [1 ]
Van Kerschaver, Emmanuel [1 ]
Cabanas-Holmen, kirsten [1 ]
机构：
[1] Hanwha Solar Amer LLC, Santa Clara, CA 95051 USA
来源：
2013 IEEE 39TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2013年
关键词：
laser sintering; screen printing; silver paste; solar cells; silicon;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper proposes laser sintering of screen-printed silver grids, which is compatible with low temperature surface passivation materials such as intrinsic hydrogenated amorphous silicon and has the potential of fabricating high efficiency solar cells at a low cost. It was found that a nanosecond pulsed laser (lambda = 532 nm) can locally and controllably fire silver paste through SiNx without punching through the underneath phosphorus-diffused emitter. A low temperature belt firing prior to laser sintering is helpful for improving the quality of laser sintering. Laser sintered cells reached 17.3% cell efficiency on 239 cm(2) cell area.
引用
收藏
页码：3445 / 3447
页数：3
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