Abstract
Multi-junction solar cells are currently the efficiency leaders among all types of solar cells. However, efficiencies of multi-junction solar cells are limited by various series resistance when they are illuminated under high concentrations. In this paper, we provide a robust method to obtain the current transport efficiency mapping for a precise and rapid measurement of resistance effect using luminescence characterization. We verified the method on a triple-junction solar cell with illuminations on all subcells. The results successfully matched with both electrical measurement and simulation results. Light beam induced current (LBIC) measurement is used for the first time to compare with the luminescence mapping. Both methods show a similar profile of transport efficiency.
| 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 | 2261-2265 |
| Number of pages | 5 |
| ISBN (Electronic) | 9781538685297 |
| DOIs | |
| Publication status | Published - 26 Nov 2018 |
| Event | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States Duration: 10 Jun 2018 → 15 Jun 2018 |
Publication series
| Name | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC |
|---|
Conference
| Conference | 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 |
|---|---|
| Country/Territory | United States |
| City | Waikoloa Village |
| Period | 10/06/18 → 15/06/18 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- light beam induced current
- luminescence mapping
- multi-junction solar cell
- series resistance
- transport efficiency
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