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Journal Article
Semi-Transparent Amorphous Silicon Solar Cells Using a Thin p-Si Layer and a Buffer Layer
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- Authors
- Jung Wook Lim, Da Jung Lee, Sun Jin Yun
- Issue Date
- 2013-04
- Citation
- ECS Solid State Letters, v.2, no.6, pp.Q47-Q49
- ISSN
- 2162-8742
- Publisher
- Electrochemical Society (ECS)
- Language
- English
- Type
- Journal Article
- Abstract
- A thin p-Si layer and a buffer layer were employed in the fabrication of semi-transparent amorphous silicon solar cells. The thin p-Si layer was used to obtain high transparency as well as high current density, but it reduces the open circuit voltage (VOC) due to a reduced depletion charge. To overcome this restriction, a buffer layer was used to enhance VOC. The device with a 7.5 nm p-Si layer and a buffer exhibits transmittance of 48.75% and an efficiency of 5.36%. The inclusion of the buffer retains high efficiency for the use of thin p-Si layer. © 2013 The Electrochemical Society.
- KSP Keywords
- 5 nm, Depletion charge, High Current Density, High transparency, Open circuit voltage(OCV), P-Si, Semi-transparent, Si layer, amorphous silicon solar cells, buffer layer, high efficiency