Table 1: External parameters of the semi-transparent perovskite top device (certified at ESTI, code XF812), the SST poly-SiOx bottom cell (certified at ISFH CalTeC, code 0019018) and DST poly-SiOx bottom cell (certified at ISFH CalTeC, code 002603), and their 4T perovskite/c-Si tandem device combinations.
Solar cell Description Voc (mV) Jsc (mA/cm2) FF (%) PCE (%)
Perovskite top device Single junction 1139 22.00 78.60 19.70
SST poly-SiOx based bottom device
Single junction
695
36.68
80.33
20.47
Filtered 666 16.00 77.60 8.27
4T Tandem 27.97
DST poly-SiOx based bottom device
Single junction
655
37.85
78.42
19.44
Filtered 637 16.80 78.20 8.37
4T Tandem 28.07