Biomimetics: the epidermis of a rose petal is replicated in a transparent layer which is then integrated into the front of a solar cell. Credit: Illustration: Guillaume Gomard, KIT
Scientists increase the efficiency of solar cells by replicating the structure of petals. With a surface resembling that of plants, solar cells improve light-harvesting and thus generate more power. Scientists of KIT reproduced the epidermal cells of rose petals that have particularly good antireflection properties and integrated the transparent replicas into an organic solar cell. This resulted in a relative efficiency gain of 12%.
Photovoltaics works in a similar way as the photosynthesis of plants...
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