Fraunhofer ISE achieves 34.2% efficiency with III-V germanium PV module

Fraunhofer scientists have announced two efficiency records for III-V tandem modules. The team says its 34.2% efficiency III-V germanium PV module is the most efficient solar module in the world, while its 31.3% efficiency III-V silicon PV module is a record in its class.Germany's Fraunhofer Institute for Solar Energy Systems ISE has developed two III-V tandem PV modules with world record power conversion efficiencies. The team's modules each feature solar cells based on III-V semiconductor compounds, composed of elements from the third and fifth groups of the periodic table. The first, a III-V ...

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