Effect of Interface Passivation on the Performance of the Cu2ZnSnS4 Solar Cells
Adèle Debono, Filipe Martinho, Jørgen Schou, Stela Canulescu · 2024
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Description
Adèle Debono and co-authors present a 2024 materials study on a whisper-thin coating that boosts a cheap solar cell. CZTS, a compound of copper, zinc, tin, and sulfur, is a promising absorber made of common elements. Its back contact with molybdenum is a weak spot where charge is lost.
A layer of aluminum oxide just one to two and a half nanometers thick, laid down atom by atom, changed the picture. Efficiency rose by more than thirty percent, through higher voltage and current. The coating also glued the absorber down so it no longer peeled during heating, and it tamed a sulfide layer that adds resistance. Too thick a coat backfired, blocking hole extraction and spiking resistance. The paper is a lesson in nanometer bookkeeping.
Catalog record
| CREATOR | Adèle Debono, Filipe Martinho, Jørgen Schou, Stela Canulescu |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 20 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |