Abstract
Time- and temperature-dependent photocurrent transient analysis suggests that hysteresis effects are associated with multiple charging–discharging processes in perovskite solar cells.
Highlights
Staircase voltage sweep measurements were performed on a perovskite solar cell at 250 K, 300 K, and 360 K
Organo-lead-halide perovskite (OHP) based solar cells were reported to achieve energy-to-electricity power conversion efficiency (PCE) as high as $19.3%,1–8 which combined with reported methods for low-cost, exibility, and large-area solar cell fabrication such as ultra-sonic spray-coating[9] and printing technology,[10] makes OHP cell technology amenable to scaling up to production levels.[2,5]
The amount of incorporated Cl is still under debate,[16] mixed methylammonium-lead halide MAPbI3ÀxClx is another type of halide perovskite reported with an even higher charge-carrier mobility ($33 cm[2] VÀ1 sÀ1), resulting in carrier diffusion lengths of up to 3 mm.[17]
Summary
Staircase voltage sweep measurements were performed on a perovskite solar cell at 250 K, 300 K, and 360 K.
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