New Insights How Perovskite Solar Cells Can Be Further Optimized
Traffic jam in the solar cell: In a perovskite solar cell, the perovskite layer itself (orange) is located between a porous layer of titanium oxide (grey) which channels the electrons to the upper electrode (yellow). The Mainz-based Max Planck researchers established that the positively charged holes accumulate in the perovskite layer. Credit: MPI for Polymer Research
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