Improving the performance of pure-red 2D tin-based perovskite light-emitting diodes through N-methylthiourea ligand engineering

• DOI: 10.1039/d4tc02025a
• Publication Date: 2024-07-31T10:22:35Z
• Authors: Shulan Zhang; Mujing Qu; Jiaxin Duan; Henglong Dai; Tongtong Xuan; Rongjun Xie; Huili Li
• Keywords: 01 natural sciences; 0104 chemical sciences

We use ligand engineering strategy, through N-MTU interaction with Sn2+ and I−, inhibit the oxidation of Sn2+, slow down the crystallization rate of the film, and obtain PeLEDs of PEA2SnI4 with EQE of 2.35%.