Advanced Solar Cell Technology

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Advanced solar cell technology encompasses innovations that enhance efficiency and reduce costs, making solar power more accessible. This includes multi-junction solar cells, which stack layers to capture a broader spectrum of sunlight, significantly increasing energy conversion efficiency. For instance, NASA's high-efficiency solar cells use a selenium interlayer to improve performance without the need for lattice matching, allowing for more robust and cost-effective designs[1]. Additionally, thin-film technologies like cadmium telluride (CdTe) and copper indium gallium selenide (CIGS) offer lighter and more flexible options, suitable for building-integrated photovoltaics[2]. Recent advancements also include perovskite solar cells and dye-sensitized solar cells (DSSCs), which offer promising alternatives with potential for higher efficiencies and lower production costs. Perovskite cells can be combined with silicon cells to improve overall efficiency, while DSSCs are known for their simplicity and cost-effectiveness[3][4]. These technologies contribute to a more sustainable and efficient use of solar energy, supporting widespread adoption and helping reduce dependence on fossil fuels[5].