PERC背银浆烧蚀性检测方法研究
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摘要
本文对比了电极金属化过程对钝化层烧蚀程度的多种检测方法,并通过显微镜观测钝化层颜色以及形貌的方式来判断电极对钝化层是否烧穿并且统计烧穿点数量和烧穿面积。通过碱洗处理电池片的方法,可以得到更为直观判定结果。本文采用的检测方法能够便捷快速地判断钝化层烧蚀程度,排除了晶硅电池片制作过程多种因素对电性能的干扰,简化了检测过程,实验成本相比仪器分析明显降低,为今后PERC背银浆的配方改进提供简便的方法。
In this article, various methods for detecting the degree of corrosion of the passivation layer during the sintering process were investigated. The color and morphology of the passivation layer has been observed by microscope, and the number and area of burn-through points is counted to detect the corrosion of the passivation layer. Alkali cleaning is more noticeable among all methods. This method, which simplified the detection process and lowered experimental cost, can not only judge the degree of corrosion of the passivation layer quickly and easily, but also eliminate the interference of different factors on the electrical performance of the production process.
In this article, various methods for detecting the degree of corrosion of the passivation layer during the sintering process were investigated. The color and morphology of the passivation layer has been observed by microscope, and the number and area of burn-through points is counted to detect the corrosion of the passivation layer. Alkali cleaning is more noticeable among all methods. This method, which simplified the detection process and lowered experimental cost, can not only judge the degree of corrosion of the passivation layer quickly and easily, but also eliminate the interference of different factors on the electrical performance of the production process.
引文
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[14]李海玲,赵雷,刁宏伟,周春兰,王文静.单晶硅制绒中影响金字塔结构因素的分析[N].人工晶体学报,2010(04).
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[2]A.Goetzenberger,J.Knobloch and B.Voss,Crystalline Silicon Solar Cells,1998.
[3]Thorsten Dullweber,Jan Schmidt.Industrial Silicon Solar Cells Applying the Passivated Emitter and Rear Cell(PERC)Concept-A Review[J].IEEE JOURNAL OF PHOTOVOLTAICS.2016,6(5):1366-1381.
[4]Ni/Cu electroplating,a worthwhile alternative to use instead of Ag screen-printed front side metallization of conventional solar cells[J].A.Bouyelfane,A.Zerga.Materials Science in Semiconductor Processing.2014.
[5]甘卫平,周华,张金玲.无铅银浆烧结工艺与导电性能研究[J].电子元件与材料,2010(04).
[6]Non-stationary outdoor el-measurements with a fast and highly sensitive InGaAs camera.ADAMS J,DOLLB,BUERHOP-LUTZ C,et al.32nd European Photovoltaic Solar Energy Conference and Exhibition,EU PVSEC.2016.
[7]李艳华,潘淼,庞爱锁,等.电致发光成像技术在硅太阳能电池隐性缺陷检测中的应用[N].发光学报,2011,32(4):378-382.
[8]Synthesis,structure,and photoluminescence of very thin and wide alpha silicon nitride(α-Si3N4)singlecrystalline nanobelts.Yin,Long-Wei,Bando,Yoshio,Zhu,YingChun,Li,Yu-Bao.Applied Physics.2003.
[9]叶舟,韩培德.光诱导电流测试技术[N].太阳能学报.2012(33).
[10]林育琼.酸腐蚀液调节多晶硅表面结构的研究[D].上海交通大学,2011.
[11]New approach to isotropic texturing techniques on multicrystalline silicon wafers[J].S.W.Park,D.S.Kim,S.H.Lee.Journal of Materials Science:Materials in Electronics.2001(11).
[12]沈辉,柳锡运.太阳能电池单晶硅表面织构化正交试验[N].华南理工大学学报(自然科学版),2006(10).
[13]崔容强,秦蕙兰.绒面硅太阳电池的研究[N].太阳能学报,1980(02).
[14]李海玲,赵雷,刁宏伟,周春兰,王文静.单晶硅制绒中影响金字塔结构因素的分析[N].人工晶体学报,2010(04).
[15]潘盛.单晶硅表面金字塔大小与少子寿命的关系[D].上海交通大学,2013.
[16]贾宇龙,赵丽敏,郭卫.单晶太阳能电池双面抛光工艺研究[J].能源技术与管理,2017(42).