Exciton Chirality Transfer Perovskite

Self-Triggered Spin-Polarized Lasing

Chiral 1D perovskites transfer spin selectivity to achiral 3D perovskites via energy transfer, enabling self-triggered spin-polarized amplified spontaneous emission without external spin injection.

Liu, Xiaolong · Wang, Kang · Zhang, Tongjie · Ren, Ang · Li, Penghao · Zhang, Chuang · Yao, Jiannian · Zhao, Yongsheng

Advanced Materials 2023

Advantages

Higher degree of polarization than that based on optical spin injection into bare achiral 3D perovskite

Broadband output of spin-polarized amplified spontaneous emission signals

Manipulation of radiative decay and spin relaxation toward remarkably increased values of DOP