An optical technique for measuring surface recombination velocity
The surface recombination velocity is a critical parameter in silicon device applications including solar cells. In this work, we developed and applied a contactless optical/radio-frequency technique to provide quick, contactless measurement of the surface recombination velocity. The basic technique...
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| Veröffentlicht in: | Solar Energy Materials and Solar Cells 2009-05, Vol.93 (5), p.645-649 |
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| container_title | Solar Energy Materials and Solar Cells |
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| creator | Ahrenkiel, R.K. Johnston, S.W. |
| description | The surface recombination velocity is a critical parameter in silicon device applications including solar cells. In this work, we developed and applied a contactless optical/radio-frequency technique to provide quick, contactless measurement of the surface recombination velocity. The basic technique is to probe the excess carrier lifetime in the surface and bulk regions of a semiconductor wafer by varying the excitation wavelength. Here, we have derived a theoretical functional model that describes the experimental photoconductive transient. A curve fitting procedure provides a determination for both the bulk recombination lifetime and the surface recombination velocity. |
| doi_str_mv | 10.1016/j.solmat.2008.12.028 |
| format | Article |
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A curve fitting procedure provides a determination for both the bulk recombination lifetime and the surface recombination velocity.</description><subject>Applied sciences</subject><subject>Carrier lifetime</subject><subject>Characterization</subject><subject>Energy</subject><subject>Equipments, installations and applications</subject><subject>Exact sciences and technology</subject><subject>MATERIALS SCIENCE</subject><subject>Natural energy</subject><subject>Photovoltaic conversion</subject><subject>Recombination velocity</subject><subject>Silicon photovoltaics</subject><subject>Solar cells. 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| fulltext | fulltext |
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| ispartof | Solar Energy Materials and Solar Cells, 2009-05, Vol.93 (5), p.645-649 |
| issn | 0927-0248 1879-3398 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Carrier lifetime Characterization Energy Equipments, installations and applications Exact sciences and technology MATERIALS SCIENCE Natural energy Photovoltaic conversion Recombination velocity Silicon photovoltaics Solar cells. Photoelectrochemical cells SOLAR ENERGY Solar Energy - Photovoltaics |
| title | An optical technique for measuring surface recombination velocity |
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