Light trapping limits in plasmonic solar cells: an analytical investigation
We analytically investigate the light trapping performance in plasmonic solar cells with Si/metallic structures. We consider absorption enhancements for surface plasmon polaritons (SPPs) at planar Si/metal interfaces and localized surface plasmon resonances (LSPRs) for metallic spheres in a Si matri...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
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Optical Society of America
2012
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| Online Access: | http://hdl.handle.net/1721.1/72083 https://orcid.org/0000-0002-3913-6189 |
| _version_ | 1826191101321543680 |
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| author | Sheng, Xing Hu, Juejun Michel, Jurgen Kimerling, Lionel C. |
| author2 | Massachusetts Institute of Technology. Department of Materials Science and Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Materials Science and Engineering Sheng, Xing Hu, Juejun Michel, Jurgen Kimerling, Lionel C. |
| author_sort | Sheng, Xing |
| collection | MIT |
| description | We analytically investigate the light trapping performance in plasmonic solar cells with Si/metallic structures. We consider absorption enhancements for surface plasmon polaritons (SPPs) at planar Si/metal interfaces and localized surface plasmon resonances (LSPRs) for metallic spheres in a Si matrix. We discover that the enhancement factors at Si/metal interfaces are not bound to the conventional Lambertian limit, and strong absorption can be achieved around plasmonic resonant frequencies. In addition, those enhancements are greatly reduced as the fields decay away from the Si/metal interfaces. Therefore, localized plasmonic resonances can be used as efficient light trapping schemes for ultrathin Si solar cells (< 50 nm), while photonic guided mode enhancement is more appropriate for thicker films. |
| first_indexed | 2024-09-23T08:50:33Z |
| format | Article |
| id | mit-1721.1/72083 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T08:50:33Z |
| publishDate | 2012 |
| publisher | Optical Society of America |
| record_format | dspace |
| spelling | mit-1721.1/720832022-09-23T14:52:54Z Light trapping limits in plasmonic solar cells: an analytical investigation Sheng, Xing Hu, Juejun Michel, Jurgen Kimerling, Lionel C. Massachusetts Institute of Technology. Department of Materials Science and Engineering Kimerling, Lionel C. Sheng, Xing Michel, Jurgen Kimerling, Lionel C. We analytically investigate the light trapping performance in plasmonic solar cells with Si/metallic structures. We consider absorption enhancements for surface plasmon polaritons (SPPs) at planar Si/metal interfaces and localized surface plasmon resonances (LSPRs) for metallic spheres in a Si matrix. We discover that the enhancement factors at Si/metal interfaces are not bound to the conventional Lambertian limit, and strong absorption can be achieved around plasmonic resonant frequencies. In addition, those enhancements are greatly reduced as the fields decay away from the Si/metal interfaces. Therefore, localized plasmonic resonances can be used as efficient light trapping schemes for ultrathin Si solar cells (< 50 nm), while photonic guided mode enhancement is more appropriate for thicker films. United States. Dept. of Energy (DOE Sunshot Program, award number DE-EE0005327) Masdar Institute of Science and Technology 2012-08-09T20:19:34Z 2012-08-09T20:19:34Z 2012-07 2012-04 Article http://purl.org/eprint/type/JournalArticle 1094-4087 http://hdl.handle.net/1721.1/72083 Sheng, Xing et al. “Light Trapping Limits in Plasmonic Solar Cells: An Analytical Investigation.” Optics Express 20.S4 (2012): A496. Web. © 2012 OSA. https://orcid.org/0000-0002-3913-6189 en_US http://dx.doi.org/10.1364/OE.20.00A496 Optics Express Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Optical Society of America Xing Sheng |
| spellingShingle | Sheng, Xing Hu, Juejun Michel, Jurgen Kimerling, Lionel C. Light trapping limits in plasmonic solar cells: an analytical investigation |
| title | Light trapping limits in plasmonic solar cells: an analytical investigation |
| title_full | Light trapping limits in plasmonic solar cells: an analytical investigation |
| title_fullStr | Light trapping limits in plasmonic solar cells: an analytical investigation |
| title_full_unstemmed | Light trapping limits in plasmonic solar cells: an analytical investigation |
| title_short | Light trapping limits in plasmonic solar cells: an analytical investigation |
| title_sort | light trapping limits in plasmonic solar cells an analytical investigation |
| url | http://hdl.handle.net/1721.1/72083 https://orcid.org/0000-0002-3913-6189 |
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