In my interviews with solar cell experts, several people have warned me to take efficiency claims with a large helping of salt, especially those that haven't been verified by an independent lab such as NREL. It turns out that bogus claims are an especially serious problem for organic solar cells, serious enough to warrant an open letter in Materials Today. That makes sense: organic cells have attracted more than their share of hype, but have yet to demonstrate commercially useful performance.
Wednesday, October 31, 2007
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