Research Article

p-Type Quasi-Mono Silicon Solar Cell Fabricated by Ion Implantation

Table 7

The cell conversion cost per watt of traditional and implant processes on quasi-mono wafer substrate.

Station/processTraditional processImplant process

Texturing (USD)0.070.07
Implant (USD) 0.08
Anneal (USD) 0.05
Diffusion (USD)0.068 
PSG clean (USD)0.033 
Wet isolation (USD)0.036 
SiN (USD)0.0750.08
Screen printing (USD)0.450.45
Conversion cost (USD)0.7320.73
Cell efficiency (%)18.08%18.55%
Wafer area (m2)0.0243360.024336
Watts/wafer4.40 4.51
Cell conversion cost
Per watt (USD)
0.16640.1617