
Exciton-polaron-induced sub-bandgap ultrafast saturable absorption in perovskite CsPbBr3
A new mechanism for ultrafast nonlinear optical absorption CHENGDU, SICHUAN, CHINA, June 19, 2025 /EINPresswire.com/ -- Check the full article here: https://www.oejournal.org/article/doi/10.29026/oea.2025.240312 In …