International Journal of Photoenergy / 2015 / Article / Tab 1

Research Article

Influence of Surface Morphology on the Effective Lifetime and Performance of Silicon Heterojunction Solar Cell

Table 1

Simulation parameters for HJ silicon solar cells.

Device parameterValue

Device area (cm2)1
Emitter contact resistance ()6 × 10−3
Base contact resistance ()5 × 10−3
Internal conductance (S)3 × 10−3
Device structuren-Si/i-Si/c-Si/Al-BSF
Rear reflectance (%)90
Light sourceOne sun (AM 1.5 G, 100 mW/cm2, 25°C)

Layer parametera-Si:H (n)a-Si:H (i)c-Si (p)Al-BSF

Thickness (m)0.010.0052505
Band gap (eV)1.921.71.121.12
Dielectric constant11.911.911.911.7
Doping concentration (cm−3)1 × 10191 × 10161 × 1019

Etching time (min)0 306090120

*Wafer effective lifetime (s)133.81307.45300.1295.81187.16
*Wafer front reflectance (%)38.6722.6712.6611.0614.69
*Device front reflectance with ITO (%)13.364.952.602.713.02

Measured from experimental data.