Phase-Pure Perovskite Ferroelectric Quantum Wells

Phase-pure, tunable photoluminescence

Uniform-width phase-pure perovskite quantum wells achieved by MnBr2 crystallization control enable nonvolatile PL modulation driven by ferroelectric polarization.

Sun, Rui · Jia, Yuping · Lai, Bo · Shi, Zhiming · Liu, Mingrui · Yu, Weili · Jiang, Ke · Zhang, Shanli · Yang, Chen · Sun, Xiaojuan · Li, Dabing

Light: Science and Applications 2025

Advantages

PLQE of 88.7%

Nonvolatile, reversible in situ PL modulation

Demonstrates multi-state signal encoding and a logic AND gate