Stable Sn2+ doped FAPbI3 nanocrystals for near-infrared LEDs

• Main Authors: Begum, Raihana, Chin, Xin Yu, Li, Mingjie, Damodaran, Bahulayan, Sum, Tze Chien, Mhaisalkar, Subodh, Mathews, Nripan
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Science::Physics; Engineering::Materials; LEDs; Perovskite Nanocrystals
• Online Access: https://hdl.handle.net/10356/138278
• Institution: Nanyang Technological University

Herein, we report Sn2+ doping in FAPbI3 NCs to stabilize the α-phase, while using propionic acid as a co-ligand. The Sn2+ doping enhances the emission quantum yield from 35% to 63% and dramatically improves the colloidal and phase stability. Also, we demonstrated the use of Sn doped FAPbI3 NCs in ne...