Abstract
Barium di-silicide (BaSi2) is an abundant and inexpensive semiconductor with appealing opto-electrical properties. In this work we show that a 2-μm thick BaSi2-based thin-film solar cell can exhibit an implied photo-current density equal to 41.1 mA/cm2, which is higher than that of a state-of-the-art wafer-based c-Si hetero-junction solar cell. This performance makes BaSi2 an attractive absorber for high-performing thin-film and multi-junction solar cells. In particular, to assess the potential of barium di-silicide, we propose a thin-film double-junction solar cell based on organometallic halide perovskite (CH3NH3PbI3) as top absorber and BaSi2 as bottom absorber. The resulting modelled ultra-thin double-junction CH3NH3PbI3 / BaSi2 (< 2 μm) exhibits an implied total photo-current density equal to 38.65 mA/cm2 (19.84 mA/cm2 top cell, 18.81 mA/cm2 bottom cell) and conversion efficiencies up to 28%. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
| Original language | English |
|---|---|
| Title of host publication | Photonics for Solar Energy Systems VI |
| Editors | Ralf B. Wehrspohn, Andreas Gombert, Alexander N. Sprafke |
| Place of Publication | Bellingham |
| Publisher | SPIE |
| Pages | 98980J-98980J |
| ISBN (Print) | 9781510601437 |
| DOIs | |
| Publication status | Published - 2016 |
| Event | SPIE Photonics Europe 2016 - Brussels, Belgium Duration: 3 Apr 2016 → 7 Apr 2016 https://spie.org/about-spie/press-room/spie-photonics-europe-2016-news-and-photos |
Publication series
| Name | Proceedings of SPIE |
|---|---|
| Publisher | SPIE |
| Volume | 9898 |
| ISSN (Electronic) | 0277-786X |
Conference
| Conference | SPIE Photonics Europe 2016 |
|---|---|
| Country/Territory | Belgium |
| City | Brussels |
| Period | 3/04/16 → 7/04/16 |
| Internet address |