Wednesday, January 26, 2011

Practical Full-Spectrum Solar Cell Comes Closer


ScienceDaily (Jan. 25, 2011) — Solar cells are made from semiconductors whose ability to respond to light is determined by their band gaps (energy gaps). Different colors have different energies, and no single semiconductor has a band gap that can respond to sunlight's full range, from low-energy infrared through visible light to high-energy ultraviolet.

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