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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Munoz, D. Voz, C. Martin, I. Orpella, A. Vetter, M. Puigdollers, J. Alcubilla, R. Fonrodona, M. Soler, D. Bertomeu, J. Andreu, J. |
| Copyright Year | 2005 |
| Description | Author affiliation: Departament d'Enginyeria Electronica, Univ. Politecnica de Catalunya, Spain (Munoz, D.; Voz, C.; Martin, I.; Orpella, A.; Vetter, M.; Puigdollers, J.; Alcubilla, R.) |
| Abstract | In this work, first results on bifacial heterojunction solar cells incorporating thin silicon films by Hot-Wire CVD are presented. The heterojunction with intrinsic thin layer concept applied to the back contact avoids the high temperature anneal usually required for back surface field formation. Both p- and n-type crystalline silicon substrates have been considered. Contactless quasi-steady-state photoconductance measurements evidenced implicit open circuit voltages over 600 mV for heterojunction solar cells by HWCVD. Preliminary devices were fabricated with n-doped amorphous silicon emitter and p-doped microcrystalline silicon back contact. Intrinsic amorphous silicon buffer layers 5 nm thick were used in both sides. The maximum temperature in the whole fabrication process was 200 /spl deg/C. The best solar cell yielded an active area conversion efficiency of 9.8% with an open circuit voltage of 577 mV, short circuit current of 26.1 mA/spl middot/cm/sup -2/ and fill factor of 65%. |
| Sponsorship | Ministerio de Educacion y Ciencia Generalitat de Catalunya Diputacio de Tarragona Red IberNAM LEAR Corp. "La Caixa" Universitat Rovira i Virgili IEEE |
| Starting Page | 267 |
| Ending Page | 270 |
| File Size | 602813 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780388100 |
| DOI | 10.1109/SCED.2005.1504375 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-02-02 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Heterojunctions Photovoltaic cells Temperature Circuits Voltage Amorphous silicon Semiconductor films Annealing Crystallization Photoconducting devices |
| Content Type | Text |
| Resource Type | Article |
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