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Surface passivation for germanium photovoltaic cells
Passivation of a germanium surface has proved to be challenging. Various materials have been examined for this purpose, like for example silicon nitride and amorphous silicon. In this work the optimisation of PECVD amorphous silicon and the influence of the preliminary surface treatment for passivat...
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| Published in: | Solar energy materials and solar cells 2005-06, Vol.88 (1), p.37-45 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c433t-bd5288fbfe6c4b3f3891efa560cbd73ab27ef556864c9b80750a0b00968fb3393 |
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| cites | cdi_FETCH-LOGICAL-c433t-bd5288fbfe6c4b3f3891efa560cbd73ab27ef556864c9b80750a0b00968fb3393 |
| container_end_page | 45 |
| container_issue | 1 |
| container_start_page | 37 |
| container_title | Solar energy materials and solar cells |
| container_volume | 88 |
| creator | Posthuma, N.E. Flamand, G. Geens, W. Poortmans, J. |
| description | Passivation of a germanium surface has proved to be challenging. Various materials have been examined for this purpose, like for example silicon nitride and amorphous silicon. In this work the optimisation of PECVD amorphous silicon and the influence of the preliminary surface treatment for passivation purposes are described. Furthermore, experiments done to extract the surface recombination velocity and the bulk lifetime of a germanium substrate will be presented. Optimisation of the deposition parameters, in combination with a pre-deposition in situ hydrogen plasma, results in a surface recombination velocity of 17
cm/s on a lowly doped germanium substrate. |
| doi_str_mv | 10.1016/j.solmat.2004.10.005 |
| format | article |
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| ispartof | Solar energy materials and solar cells, 2005-06, Vol.88 (1), p.37-45 |
| issn | 0927-0248 1879-3398 |
| language | eng |
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| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | Amorphous silicon Applied sciences Bulk lifetime Energy Exact sciences and technology Germanium Natural energy Photovoltaic cells Photovoltaic conversion Solar cells. Photoelectrochemical cells Solar energy Surface passivation |
| title | Surface passivation for germanium photovoltaic cells |
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