ZnO Anneal Temperature

50˚C

150˚C

300˚C

450˚C

VOC (V)

0.6

0.6

0.6

0.5

ISC (mA)

1.6

1.7

1.8

1.3

FF (%)

27.8

41.7

32.9

31.4

RSH (Ω∙cm2)

130

510

150

92

RS (Ω∙cm2)

39

13

28

9

PCE (%)

1.3

2.2

1.7

1.0