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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Takamoto, T. Kodama, T. Yamaguchi, H. Agui, T. Takahashi, N. Washio, H. Hisamatsu, T. Kaneiwa, M. Okamoto, K. Imaizumi, M. Kibe, K. |
| Copyright Year | 2006 |
| Description | Author affiliation: Solar Syst. Dev. Center, Sharp Corp., Nara (Takamoto, T.; Kodama, T.; Yamaguchi, H.; Agui, T.; Takahashi, N.; Washio, H.; Hisamatsu, T.; Kaneiwa, M.; Okamoto, K.) |
| Abstract | A paper-thin, lightweight InGaP/GaAs solar cell with high efficiency and flexibility has been developed. A high-efficiency thin-film cell can be obtained for cell fabrication both before and after removing the substrate. Introducing a tunnel junction as the contact layer between the cell and metal film improves cell characteristics (Fill Factor (FF) and open-circuit voltage (Voc)). A highly doped n-type layer is necessary for good ohmic contact at the metal film interface. High radiation resistance of a thin-film cell was confirmed for a GaAs cell with a one-micron base layer. The thin-film cell was laminated for better handling. The laminated cell efficiency was about 22%. Anti-reflective coating is necessary on the laminate film to improve cell efficiency. A prototype unit panel using the laminated cells was developed for space application. An output power per weight of over 1W/g is possible for the unit panel. However, development of a bypass diode with thin-film structure is currently a problem, and reliability tests need to be performed for the unit panel |
| Sponsorship | IEEE Electron Devices Soc |
| Starting Page | 1769 |
| Ending Page | 1772 |
| File Size | 280215 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424400163 |
| DOI | 10.1109/WCPEC.2006.279833 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-05-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Gallium arsenide Photovoltaic cells Transistors Fabrication Substrates Voltage Ohmic contacts Coatings Laminates Prototypes |
| Content Type | Text |
| Resource Type | Article |
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