Royal Society of Chemistry, Physical Chemistry Chemical Physics, 29(18), p. 19738-19745, 2016
DOI: 10.1039/c6cp02446g
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We present a study of the energy levels present in a perovskite solar cell using Kelvin probe and UV air photoemission measurements. By constructing a detailed map of the energy levels in the system we are able to predict the maximum open circuit voltage of the solar cell.