Formamidinium lead iodide is a very good material for photovoltaic cells, but getting the correct and stable crystal structure is a challenge. The techniques developed so far have produced rather poor results. However, scientists have now cracked it -- using a blade and a dipping solution.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190321130350.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190321130350.htm
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