Table 1 The data concerning different bottom metals
Bottom electrode | Pt | Ag | Mg |
---|---|---|---|
ΦM, eV | 5.5 | 4.3 | 3.7 |
ΔΦ, eV | −1 | 0.2 | 0.6 |
ΦB, eV | 2 | 0.8 | 0.2 |
Average Voc, V (Top lighting) | +4.2/−2.8 * | +7.0/−6.7 | +8.1/−7.7 |
Average Jsc, pA/cm2 (Top lighting) | +22/−19 | +1390/−1384 | +3445/−3385 |
Average Voc, V (Bottom lighting) | +0.01/−0.01 | +0.6/−1.0 | +3.5/−3.5 |
Average Jsc, pA/cm2 (Bottom lighting) | +1/−6 | +656/−700 | +1210/−1295 |