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Performances of Amorphous Silicon and Silicon Germanium Semi-Transparent Solar Cells
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- Authors
- Jung Wook Lim, Seong Hyun Lee, Da Jung Lee, Yoo Jeong Lee, Sun Jin Yun
- Issue Date
- 2013-11
- Citation
- Thin Solid Films, v.547, pp.212-215
- ISSN
- 0040-6090
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- To investigate semi-transparent solar cells, a-Si:H and a-SiGe:H thin film cells have been prepared. In a fabrication of a-Si:H solar cell, top transparent conductive oxide (TCO) thicknesses were varied and the cell with TCO thickness of 300 nm or more exhibited cell efficiency around 5.5%. In particular, a-Si:H cell with 300 nm thick TCO shows average transmittance of visible light around 21.7%, which also shows high efficiency as well. In this experiment, the efficiency and the transmittance did not show a trade-off as is usually observed with conventional semi-transparent solar cells, which is meaningful to control them independently. The a-SiGe:H solar cell with 500 nm thick TCO showed an efficiency of 5.93% and an average transmittance of 17.9%. In spite of its lower transmittance compared to the a-Si:H cell, it can be favorably applied to semi-transparent solar cells. © 2013 Elsevier B.V.
- KSP Keywords
- Cell Efficiency, Semi-transparent, Silicon-germanium(SiGe), Trade-off, Visible Light, a-Si:H solar cells, a-SiGe:H, amorphous silicon, high efficiency, thin film(TF), transparent conductive oxide