Experimental Demonstration of Optically Determined Solar Cell Current Transport Efficiency Map
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arXiv
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| Format: | Preprint |
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2024
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| author | Delamarre, Amaury Lombez, Laurent Watanabe, Kentaroh Sugiyama, Masakazu Nakano, Yoshiaki Guillemoles, Jean-Francois |
| author_facet | Delamarre, Amaury Lombez, Laurent Watanabe, Kentaroh Sugiyama, Masakazu Nakano, Yoshiaki Guillemoles, Jean-Francois |
| contents | A recently suggested reciprocity relation states that the current transport efficiency from the junction to the cell terminal can be determined by differentiating luminescence images with respect to the terminal voltage. The validity of this relation is shown experimentally in this paper, by comparison with simultaneously measured electrical currents and simulations. Moreover, we verify that the method is applicable under various light concentrations and applied voltages, which allows us to investigate the cell in relevant conditions. Results evidence several kind of series resistances affecting the current transport efficiencies. We show that the relative contribution of those different resistances to the loss in current collection is a function of the illumination intensity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_02463 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Experimental Demonstration of Optically Determined Solar Cell Current Transport Efficiency Map Delamarre, Amaury Lombez, Laurent Watanabe, Kentaroh Sugiyama, Masakazu Nakano, Yoshiaki Guillemoles, Jean-Francois Optics Applied Physics A recently suggested reciprocity relation states that the current transport efficiency from the junction to the cell terminal can be determined by differentiating luminescence images with respect to the terminal voltage. The validity of this relation is shown experimentally in this paper, by comparison with simultaneously measured electrical currents and simulations. Moreover, we verify that the method is applicable under various light concentrations and applied voltages, which allows us to investigate the cell in relevant conditions. Results evidence several kind of series resistances affecting the current transport efficiencies. We show that the relative contribution of those different resistances to the loss in current collection is a function of the illumination intensity. |
| title | Experimental Demonstration of Optically Determined Solar Cell Current Transport Efficiency Map |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2408.02463 |