Abstract
We propose a two-dimensional material, δ-CS, and show that it is a direct-band-gap semiconductor with strong absorption of solar radiation. Power conversion efficiencies of 7.0% to 20.1% are predicted for solar cells with δ-CS as a donor and a transition metal dichalcogenide as an acceptor. δ-CS also excels in terms of having an exceptionally large negative in-plane Poisson's ratio. Its ferroelasticity with moderate switching barrier is promising for applications in shape memory devices.
Original language | English (US) |
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Journal | Physical Review Applied |
Volume | 14 |
Issue number | 4 |
DOIs | |
State | Published - Oct 10 2020 |
Bibliographical note
KAUST Repository Item: Exported on 2020-10-30Acknowledgements: The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST). We thank Dr. Huabing Shu and Mr. Ziang Zhang for assistance with PYTHON programming.