First-principles investigation of the optical and piezoelectric properties of Janus TiOS monolayers
Jing Tang, Kaimin Fan, Kun Wang · 2025
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Description
Jing Tang and co-authors compute the promise of a two-faced titanium oxygen sulfide sheet for solar fuel and sensing jobs, in this 2025 paper. The sheet is a Janus monolayer: its two faces differ, which bends its internal fields. Two crystal phases were checked for stability by energy, vibration, heat, and stiffness tests, and both held up. Their electronic gaps sit in the visible range.
One phase takes light head-on as a direct semiconductor; the other is indirect. Both drink in visible light strongly and split the energy levels needed to split water across a wide acidity range. Squeezing or stretching the sheet also generates charge, with the first phase stronger. The authors nominate the material for combined sun-driven chemistry and piezoelectric devices.
Catalog record
| CREATOR | Jing Tang, Kaimin Fan, Kun Wang |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 25 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |