Journal of Nanomaterials / 2014 / Article / Tab 1

Research Article

Optimization of Rear Local Al-Contacts on High Efficiency Commercial PERC Solar Cells with Dot and Line Openings

Table 1

Line and dot opening spaces of each area on SC wafers.

NumberLine opening space (mm)Dot opening space (mm)

1Full Al-BSFFull Al-BSF
20.250.14
30.330.16
40.50.2
51.00.28
61.430.33
72.00.4
83.330.51
9No etchingNo etching