a, Schematic structure of an all-perovskite tandem solar cell. b, Electrostatic potentials (φmax: red color, φmin: blue color) of each passivator (PEA, F-PEA and CF3-PEA). c, The J-V measurements from a CsPbI3-xBrx single-junction device with C60/ALD-SnO2 structure, a FA0.7MA0.3Pb0.5Sn0.5I3 narrow bandgap device, and a monolithic all-perovskite tandem cell. d, Continuous MPP tracking of an encapsulated tandem cell over 1,000 hours under simulated 1-sun illumination in ambient air. Credit: Nature Energy (2023). DOI: 10.1038/s41560-023-01250-7
All-perovskite tandem solar cells, stacks of p-n junctions formed from perovskites with different energy bandgaps, have the potential of …
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