Predicting the Open‐Circuit Voltage of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub> Perovskite Solar Cells Using Electroluminescence and Photovoltaic Quantum Efficiency Spectra: the Role of Radiative and Non‐Radiative RecombinationWolfgang Tress, Michaël Grätzel, Nevena Marinova et al.|Advanced Energy Materials|2014Cited by 517