Abstract
We present the concept of interference solar cells for enhanced absorption in thin (<13 μm) silicon absorber layers for high efficiency, targeted wavelength energy conversion, using a silicon heterojunction (SHJ) layer stack. Significant absorption enhancements are computationally demonstrated for a broad range of single, targeted wavelengths (300-1100 nm). Up to 91% absorption occurs in the long wavelength range - an absolute enhancement of 23% compared to absorption of the same wavelength in conventional SHJs. Compared to SHJs of similar thickness, these enhancements give a short circuit current density increase of 19% (from 25.8 mA/cm2 to 30.7 mA/cm2).
| Original language | English |
|---|---|
| Title of host publication | 2021 IEEE 48th Photovoltaic Specialists Conference, PVSC 2021 |
| Place of Publication | Piscataway, NJ |
| Publisher | IEEE |
| Pages | 395-398 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-1-6654-1922-2 |
| ISBN (Print) | 978-1-6654-3018-0 |
| DOIs | |
| Publication status | Published - 26 Aug 2021 |
| Event | 48th IEEE Photovoltaic Specialists Conference, PVSC 2021 - Fort Lauderdale, United States Duration: 20 Jun 2021 → 25 Jun 2021 Conference number: 48 |
Publication series
| Name | Conference Record of the IEEE Photovoltaic Specialists Conference |
|---|---|
| Publisher | IEEE |
| ISSN (Print) | 0160-8371 |
Conference
| Conference | 48th IEEE Photovoltaic Specialists Conference, PVSC 2021 |
|---|---|
| Abbreviated title | PVSC 2021 |
| Country/Territory | United States |
| City | Fort Lauderdale |
| Period | 20/06/21 → 25/06/21 |
Keywords
- Light trapping
- Power electronics
- Thin silicon
