New wearable sensor sets record for solar power efficiency

https://techxplore.com/news/2023-07-wearable-sensor-solar-power-efficiency.html

"Sweat, blood tells about health... reading salts, sugars, uric acid, amino acids and C-reactive protein... flexible perovskite... cheap, 1KXthinner... quasi-2D... tuned to spectra of different lighting... high power efficiency 26–27%... origami-like assembly layers dedicated to different processes... 20 x 27 x 4 mm"

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