Table 4

PV parameters of best devices with single TMA pulse during buffer deposition. “B” refers to a single cycle of TMA before buffer deposition, “M” refers to a single TMA pulse midway during buffer deposition.

V OC (mV) J SC (mA/cm2) FF (%) η (%)
B 663 35.9 69 16.5
B (+90 days) 677 35.8 62 15.0
M 594 35.0 58 12.2
M (+90 days) 668 34.5 42 9.6

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