“The efficiency value of 25.32% obtained is record-breaking for 2D/3D perovskite-based perovskite solar cells,” the team said, noting that the device was also able to retain 90% of its initial ...

Two-dimensional (2D) Dion-Jacobson (DJ ... is key to achieving compatible energy level alignment with the DJ-perovskite layer and helping charge carriers move smoothly through the layers and ...