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Justus Amandianaze Nwaoga is a Nigerian researcher who has discovered that the Mimosa Pudica weed has solar properties suitable for the production of solar cells. Exposed to sunlight, solar cells constructed with the weed extracts accumulate solar energy which is then converted into electric power thanks to bio-accumulators that use the electrolytes derived from the Mimosa weed.
This principle enabled the manufacturing of a functional solar panel that could generate a steady DC current that lit a 4.5 volts (V) lamp. Justus A. Nwaoga has written a book titled Plant Weed for Solar Cell Development in which he describes his findings.