Yes; several companies have produced thin “film” solar panels in the past couple years that are considerably slimmer than the original panels. Thin-film solar technologies often use non-silicon semiconductor materials including copper, indium, gallium and selenium (CIGS) to create photovoltaic cells that convert sunlight into electricity. Without the expensive and often sparse silicon, the cells are cheaper in terms of materials costs. The non-silicon materials can also be printed on flexible or light substances, which can create new applications for solar. But thin films aren’t yet as efficient as silicon-based solar, and can remain pricey due to their high production costs.
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