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Perovskite solar cells and large area modules (100 cm2) based on an air flow-assisted PbI2 blade coating deposition process
Stefano Razza (a,b), Francesco Di Giacomo(a,b), Fabio Matteocci (b), Lucio Cinà(b), Alessandro Lorenzo Palma(b), Simone Casaluci (b), Petra Cameron (c), Alessandra D'Epifanio(d), Silvia Licoccia(d), Andrea Reale(b), Thomas M. Brown(b), Aldo Di Carlo(b*)
Table S1. Mean values and standard deviations of PCE, FF, VOC and JSC obtained with Blade coating and spin coating deposition of PbI2 using two different dipping times, 10 and 30 minutes.
TypeDipping Time[Min.]
Area
[cm2]
PCE Mean [%]
PCE Dev.[%]
FF Mean [%]
FF Dev.[%]
VOC
Mean[V]
VOC
Dev.[V]
JSC
Mean[mA cm-2]
JSC
Dev.[mA cm-2]
Spin 10 0.1 10.9 1.2 67.1 2.3 1.01 0.02 15.9 1.3Spin 30 0.1 10.5 1.2 66.3 4.1 0.97 0.04 16.4 1.2Blade 10 0.1 6.9 1.9 61.6 4.9 0.97 0.02 11.5 2.7Blade 30 0.1 12.1 1.0 68.5 3.5 1.01 0.04 17.4 1.0
Table S2. Parameters of different sized modules made by blade coating PbI2 and 30 minutes dipping time in CH3NH3I solution. The 100 cm2 active area module was made with P3HT as HTM while the others were made with Spiro-O-MeTAD.
Area[cm2]
V max
[V]I max
[A]P max
[mW]VOC
[V]ISC
[mA]JSC
[mAcm-2]FF[%]
PCE[%]
8.64 2.23 26.03 58.16 3.89 29.61 13.71 50.44 6.7310.08 3.01 27.17 81.65 3.71 32.15 12.76 68.55 8.10
10.08 3.25 31.81103.45 4.11 43.27 17.17 58.14 10.26
100 7.55 56.88429.70 9.61 83.09 7.48 53.79 4.30
Fig. S1.J-V Curves of the best devices assembled using spin and blade coating with and without air flow;
Fig. S2.Reverse and forward J-V scan curves of best cell made by blade coating of the PbI2
Fig. S3. a) Optical image of PbI2 layer with laser scribe in the middle b) Image size of “CHOSE” logo patterned over a PbI2 layer
Fig. S4.Photoanode side of a 100 cm2 module, made with blade coating deposition of active layer and HTM.