31 Dec '16, 12pm

Perovskite Layer Could Boost Solar Cell Efficiency By 20%

Stranks’ enthusiasm has to be tempered with some unpleasant realities. Keith Emery, who compiles the National Renewable Energy Laboratory’s solar cell efficiency data, explains why perovskites need a disclaimer. “The samples degrade very quickly to zero. They degrade fast enough that it has prevented intercomparing results among groups or even having an independent efficiency measurement.” Light, air and water are all kryptonite to perovskites, according to NASDAQ.com . Silicon cells are far more durable. The best way to preserve them so they last long enough to be commercially viable is to encapsulate them, but that adds weight and cost, reducing their competitive price advantage claims Yuanyuan Zhou, PhD candidate at Brown University’s School of Engineering.

Full article: https://cleantechnica.com/2016/12/31/perovskite-layer-boo...

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