Mar 15, 2024

Indoor Solar Energy

Wi-Fi-connected home security systems and smart toilets have brought personalization and convenience to many lives but with these great inventions, tangled cords and ever-dying batteries follow. Scientists are turning to photovoltaic (PV) systems that would work with common indoor lighting to fix this problem.


Unlike traditional PV solar panels which are designed for sunlight, there are some new PV materials, like perovskite minerals and organic films, that have been tested under indoor light with a focus on efficiency and cost-effectiveness. Gallium indium phosphide PV cells showed the most promise by converting nearly 40% of the light energy into electricity. On the down side, gallium-containing materials are expensive and not likely to be a viable mass product option to power smart homes. While not as efficient, perovskite mineral and organic film PV cells are less expensive and stable under indoor light which presents them as an option in the future.


Read more about indoor solar energy here!


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