EPFL and CSEM Develop Triple-Junction Solar Cells with Record 30.02% Efficiency
Researchers from EPFL's PV-Lab and CSEM have developed a triple-junction solar cell that achieves a record efficiency of 30.02%, surpassing the previous record of 27.1%. The device combines a silicon bottom cell with two perovskite cells, offering high voltage and scalability. This advancement could lead to more affordable solar technologies for both terrestrial and space applications.
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EPFL’s Photovoltaics and Thin-Film Electronics Laboratory and CSEM have developed a triple-junction solar cell achieving a record efficiency of 30.02%, surpassing the previous record of 27.1%. The cell consists of a silicon bottom layer and two perovskite layers.
Innovations include a specialized molecule for crystal growth, a new fabrication process for light absorption, and nanoparticles to enhance light reflection. These developments could make high-efficiency solar cells more affordable and viable for both residential and space applications. The team plans to explore manufacturing scalability and product integration.
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