Cleaner and greener cities with integrated transparent solar cells

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Imagine buildings in which the windows allow the sun's light to enter, and at the same time capture the energy from the sun needed to meet all their energy needs. In this seemingly futuristic scenario, the windows become productive solar cells that help us decrease our reliance on fossil fuels and advance towards a greener and cleaner environment. Researchers have now fabricated an optimal organic solar cell with a high level of transparency and a high power conversion efficiency, a promising step forward towards affordable, clean, more widely utilized and urban integrated renewable energies.

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