#Solar cells can be made with tin instead of lead,…

“Dr Ross Hatton and colleagues show that perovskites using tin in place of lead are much more stable than previously thought, and so could prove to be a viable alternative to lead perovskites for solar cells.
Lead-free cells could render solar power cheaper, safer and more commercially attractive – leading to it becoming a more prevalent source of energy in everyday life.”

https://techxplore.com/news/2016-11-solar-cells-tin-scientists.html?utm_source=nwletter&utm_medium=email&utm_campaign=weekly-nwletter

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