Table 1. Recent Progress in Flexible Perovskite Solar Modules on Plastic Substrates, in which Interconnections Were Obtained by Means of a Laser Scribing Processa.
| ETL coating method | device structure | series interconnection | active area (cm2) | JSC (mA/cm2) | VOC (V) | FF (%) | PCE (%) | ref (year) |
|---|---|---|---|---|---|---|---|---|
| ALD | PET/ITO/TiO2/meso-TiO2/perovskite/spiro-OMeTAD/Au | masking/laser | 7.92 | 1.3 | 3.39 | 71 | 3.1 | (22)(2015) |
| spin | PEN/ITO/MFGO/perovskite/ PC61BM/BCP/Ag | chemical etching/masking | 10 | 4.34 | 3.76 | 49.1 | 8.1 | (19)(2016) |
| spin | PET/ITO/SnO2/meso-TiO2/perovskite/spiro-OMeTAD/Au | laser | 12 | 3.12 | 5.014 | 55.9 | 8.8 | (16)(2018) |
| spin | PET/ITO/SnO2/perovskite/spiro-OMeTAD/Au | laser | 10 | 6.479 | 3.075 | 62 | 12.31 | (18)(2018) |
| slot-die | PET/ITO/SnO2/perovskite/spiro-OMeTAD/Au | laser | 16.09 | 3.28 | 6.727 | 69 | 14.89 | (17)(2018) |
| spray | PET/ITO/SnO2/perovskite/spiro-OMeTAD/Au | laser | 16.84 | 2.55 | 7.72 | 60.8 | 12.0 | this work |
| spray | PET/ITO/SnO2/perovskite/spiro-OMeTAD/Au | laser | 21.84 | 2.45 | 7.57 | 57.7 | 11.7 | this work |
a
ALD = atomic layer deposition, PET = polyethylene terephthalate, ITO = indium tin oxide, SnO2 = tin oxide, PEN = polyethylene naphthalate, MFGO = fluorinated reduced graphene oxide, PC61BM = [6,6]-phenyl-C61-butyric acid methyl ester, and BCP = bathocuproine.