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Taking the lead out of a promising solar cell: Environmentally friendly solar cell pushes forward the 'next big thing in

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Daniel Geery

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Researchers have developed a solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light. The low-cost, environmentally friendly solar cell can be made easily using 'bench' chemistry -- no fancy equipment or hazardous materials. Perovskite solar cells are being touted as the 'next big thing in photovoltaics.' Lead perovskite has achieved 15 percent efficiency, and tin perovskite should be able to match -- and possibly surpass -- that.

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In my run for U.S. Senate against Utah's Orrin Hatch, I posted many progressive ideas and principles that I internalized over the years. I'm leaving that site up indefinitely, since it describes what I believe most members of our species truly (more...)

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