The study characterizes perovskite solar cells deposited on different shallow nanotextures. An experimental characterization and optical simulations using JCMsuite reveal that the gain in efficiency can be largely attributed to reduced reflection losses and increased absorption in the perovskite.
P. Tockhorn, et al. Improved Quantum Efficiency by Advanced Light Management in Nanotextured Solution-Processed Perovskite Solar Cells. ACS Photonics, 7(9), 2589 (2020).