The structure of insect eyes has inspired a stronger and more efficient perovskite solar cell design.
Perovskites hold promise as a low-cost alternative to silicon solar cells, but they can be damaged by exposure to heat, moisture or stress. To help overcome this obstacle, the team from Stanford University developed a solar cell inspired by the redundant, honeycomb structure of an insect’s eye, placing a number of perovskite microcells within a hexagon-shaped scaffold only 500 microns wide. Made of an inexpensive resin, the scaffold drastically increased the durability of the cells without affecting function.
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