The efficiency of perovskite solar cells is affected by open-circuit voltage losses due to radiative and non-radiative charge recombination. Here, authors report photocurrent and electroluminescence spectroscopy to probe radiative recombination at sub-bandgap defects in wide-bandgap solar cells.
- Guus J. W. Aalbers
- Tom P. A. van der Pol
- René A. J. Janssen
