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OKIsItJustMe

(19,933 posts)
Fri Jan 16, 2015, 12:36 AM Jan 2015

Perovskites provide big boost to silicon solar cells, Stanford study finds

https://energy.stanford.edu/news/perovskites-provide-big-boost-silicon-solar-cells-stanford-study-finds
[font face=Serif][font size=5] Perovskites provide big boost to silicon solar cells, Stanford study finds[/font]

Jan. 15, 2015

By Mark Shwartz

[font size=3]Stacking perovskites onto a conventional silicon solar cell dramatically improves the overall efficiency of the cell, according to a new study led by Stanford University scientists.

The researchers describe their novel perovskite-silicon solar cell in this week’s edition of the journal Energy & Environmental Science.

“We’ve been looking for ways to make solar panels that are more efficient and lower cost,” said study co-author Michael McGehee, a professor of materials science and engineering at Stanford. “Right now, silicon solar cells dominate the world market, but the power conversion efficiency of silicon photovoltaics has been stuck at 25 percent for 15 years.”

One cost-effective way to improve efficiency is to build a tandem device made of silicon and another inexpensive photovoltaic material, he said.

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