Types of Solar Cells Typically Used
Gallium arsenide-based solar cells are typically favored over silicon in industry, because they have a higher efficiency. The most efficient solar cells currently in production are multi-junction cells. These use a combination of several layers of both gallium arsenide and silicon to capture the largest spectrum of light possible. Leading edge multi-junction cells are capable of nearly 29% efficiency under ideal conditions.
Read more about this topic: Solar Panels On Spacecraft
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