Over 99% of available solar spectrum captured with new 44.5% efficient solar cell

“Scientists have designed and constructed a prototype for a new solar cell that integrates multiple cells stacked into a single device capable of capturing nearly all of the energy in the solar spectrum. The new design converts direct sunlight to electricity with 44.5 percent efficiency, giving it the potential to become the most efficient solar cell in the world…”

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https://www.nextbigfuture.com/2017/07/over-99-of-available-solar-spectrum-captured-with-new-44-5-efficient-solar-cell.html