ENERGY GENERATING WINDOWS

All that natural light flowing through your windows may one day do much more than brighten your mood.
Scientists in Switzerland have reached a new efficiency record for transparent solar cells, paving the way for electricity-generating windows that could help power our homes and devices.
Also known as dye-sensitised solar cells (DSCs) are a type of low-cost solar cell that use photosensitised dye attached to the surface of a semiconductor to convert visible light into energy.

The previous versions of DSCs were largely reliant on direct sunlight, but scientists at the École Polytechnique Fédérale de Lausanne (EPFL) have found a way to make transparent photosensitisers – molecules that can be activated by light – that can “adsorb” light across the entire visible light spectrum.

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