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Spicy Chili Pepper Chemical Improves Solar Panel Efficiency
January 19, 2021
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Chinese scientists find there’s more to chili peppers than health benefits and spicy dishes. Solar cells treated with the compound that makes chili peppers hot – capsaicin – have proven more efficient at converting solar energy.
While ultra-thin, lead-based solar cells can absorb light more efficiently than silicon-based solar cells, they can’t convert energy efficiently because they lose some of it to heat. However, there’s a solution to that – to add a bit of heat.
(Credit: Pixabay. Photo edit: Luana Steffen)
Qinye Bao at Shanghai’s East China Normal University and his colleagues were confident that capsaicin would have an energy-boosting outcome since it can free up electrons that can continue to carry the charge. They added capsaicin to these ultra-thin perovskite solar cells during the manufacturing process to have samples to experiment on in the ....

Tsutomu Miyasaka , Japan University Of Yokohama , Luana Steffen , East China Normal University , ஜப்பான் பல்கலைக்கழகம் ஆஃப் யோகோகாமா , லுவானா ஸ்டெஃபென் , கிழக்கு சீனா சாதாரண பல்கலைக்கழகம் ,