Researchers at the lab of Anders Hagfeldt at EPFL, working with colleagues at the lab of Michael Grätzel, brought real-world conditions into the controlled environment of the lab. Using data from a weather station near Lausanne (Switzerland), they reproduced the real-world temperature and irradiance profiles from specific days during the course of the year, to test PSCs in real-world conditions.
With this approach, the scientists were able to quantify the energy yield of the devices under realistic conditions. 'This is what ultimately counts for the real-world application of solar cells," says Dr. Wolfgang Tress from EPFL.
'The study provides a further step towards the assessment of the performance and reliability of perovskite solar cells under realistic operation conditions,' says Tress.