Chunrong Zhu, Chenjing Zhao, Fang Yuan, Yuren Li et al.
Abstract Quasi‐2D perovskite materials have great potential for achieving high‐performance blue perovskite light‐emitting diodes (PeLEDs). Major challenges lie in the need to minimize the energy level mismatch between the blue‐emitting and the charge‐transport materials for better carrier injection,...