Scientists build 23.2%-efficient lead tin perovskite solar cell with improved lifetime
The researchers built the cell with a hole transport layer (HTL) based on PEDOT:PSS and were reportedly able to reduce the losses caused by this compound with the utilization of a thiocyanate additive. The champion lab-sized device achieved an open circuit voltage of 0.875 V, a short circuit current density of 31.84 mA cm−2, and a fill factor of 83.23%.
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