So, what is this thing called perovskite?
18 Aug 2014

By JON MAJOR.- Whenever I tell people I work with solar cells, I am asked the same two questions: are they ever going to be really cheap? And can you get me some?
While the answer to the second question is no, the answer to the first is a lot more positive. Year-on-year, solar panels have been plunging in price and improving in the efficiency with which they can convert light into energy.
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