Anisotropic Interlayer Excitons

First experimental observation of anisotropic interlayer excitons with strong polarization-dependent PL in symmetric ReS₂/MoS₂/ReS₂ heterojunctions, providing a new approach for anisotropic optoelectronic device design.

Luo, Yi · Su, Weitao · Chen, Fei · Zeng, Yijie · Hong, Lu

ACS Applied Materials & Interfaces 2023

Specifications

exciton PL peaks

{'zh': '~1.64', 'en': '~1.64'} eV

laser polarization angle

{'zh': '180', 'en': '180'} ° period

Advantages

Polarization ratio of 1.33-1.45