Tailoring the energy manifold of quasi-two-dimensional perovskites for efficient carrier extraction

• Main Authors: Ramesh, Sankaran, Giovanni, David, Righetto, Marcello, Ye, Senyun, Fresch, Elisa, Wang, Yue, Collini, Elisabetta, Mathews, Nripan, Sum, Tze Chien
• Other Authors: Interdisciplinary Graduate School (IGS)
• Format: Article
• Language: English
• Published: 2022
• Subjects: Science::Physics::Optics and light; Engineering::Materials::Energy materials; Energy Cascade; Ruddlesden-Popper Perovskite
• Online Access: https://hdl.handle.net/10356/155035
• Institution: Nanyang Technological University

Harvesting the excess energy from absorbed above bandgap photons is a promising approach to overcome the detailed balance limit for higher solar cell efficiencies. However, this remains very challenging for 2D layered halide perovskites as the fast excess energy loss competes effectively with charge...