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Excitonic Shift Current in Monolayer MoS2

Mingjun Chen1, Yi Wei Ho2,3, MingRui Lai4,5

  • 1Department of Chemistry, National University of Singapore, Singapore 117543, Singapore.

ACS Nano
|June 3, 2026
PubMed
Summary

We observed exciton-enhanced shift current in strained monolayer MoS2. This phenomenon, driven by higher-order excitons, offers new ways to control photocurrent in advanced electronic materials.

Keywords:
broken inversion symmetrybulk photovoltaic effectnonlinear photocurrentsecond-order conductivitytransition-metal dichalcogenidestwo-dimensional (2D) semiconductors

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