Abstract
The performance of III-V//Si tandem devices has successfully exceeded the theoretical efficiency limit of single junction Si devices (29.4%) yet the costs associated with these high-efficiency tandem devices are still too high to compete with today's conventional Si solar cells. Recent cost modeling efforts suggest that hydride vapor phase epitaxy (HVPE) could be adopted as an alternative growth technique to metal-organic chemical vapor deposition (MOCVD) because the costs of HVPE are substantially lower and the performance of devices fabricated from HVPE materials are continuously improving. This study reports on our first results of a HVPE-grown GaAs top cell mechanically stacked on a Si bottom cell.
| Original language | English |
|---|---|
| Title of host publication | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 2776-2778 |
| Number of pages | 3 |
| ISBN (Electronic) | 9781538685297 |
| DOIs | |
| Publication status | Published - 26 Nov 2018 |
| Externally published | Yes |
| Event | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States Duration: 10 Jun 2018 → 15 Jun 2018 |
Conference
| Conference | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 |
|---|---|
| Country/Territory | United States |
| City | Waikoloa Village |
| Period | 10 Jun 2018 → 15 Jun 2018 |
UN Sustainable Development Goals (SDGs)
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- HVPE
- MOCVD
- multi-junction solar cells
- photovoltaic cells
- Solar energy
- tandems
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Renewable Energy, Sustainability and the Environment
- Electrical and Electronic Engineering
- Electronic, Optical and Magnetic Materials
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