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Journal Article
Cell Performance of a-Si:H Translucent Solar Cells with Various Buffers Utilizing Light Reflected by a Backside Mirror
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- Authors
- Jung Wook Lim, Da Jung Lee, Seong Hyun Lee, Sun Jin Yun
- Issue Date
- 2014-10
- Citation
- Materials Research Bulletin, v.58, pp.153-156
- ISSN
- 0025-5408
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- a-Si:H translucent solar cells with various n/i- buffer layers were fabricated. We employed single buffer and double buffers with different thickness in the fabrication of translucent cells. Compared to the cell without n/i- buffers, cell efficiency increases from 5.7% to 6.5% when double buffer layers were used. For further increase of cell efficiency for translucent cells, a backside mirror that reflects the transmitted light was installed and re-absorption of the reflected light was feasible. Interestingly, it was revealed that the thin double buffered cell was the most effective configuration, acquiring approximately 21% higher efficiency. Proper design of optical thickness and arrangement of buffer layers is required to effectively utilize incident and reflected light. © 2014 Elsevier Ltd. All rights reserved.
- KSP Keywords
- Cell Efficiency, Different thicknesses, Double buffer, Effective configuration, Higher efficiency, Re-absorption, Reflected light, Solar Cells, Transmitted light, a-Si:H, buffer layer