Enhancement of up-conversion efficiency by combining rare earth-doped phosphors with PbS quantum dots
This paper aims to enhance the up-conversion phenomena observed in silicon solar cells by combining a rare earth-doped phosphor with PbS quantum dots. Two different ways of adhering the up-converter and the fluorescent material to a bifacial solar cell are implemented: dissolving the powder in a spi...
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| Veröffentlicht in: | Solar energy materials and solar cells 2010-11, Vol.94 (11), p.1923-1926 |
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| container_issue | 11 |
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| container_title | Solar energy materials and solar cells |
| container_volume | 94 |
| creator | Pan, A.C. del Cañizo, C. Cánovas, E. Santos, N.M. Leitão, J.P. Luque, A. |
| description | This paper aims to enhance the up-conversion phenomena observed in silicon solar cells by combining a rare earth-doped phosphor with PbS quantum dots. Two different ways of adhering the up-converter and the fluorescent material to a bifacial solar cell are implemented: dissolving the powder in a spin-on oxide and by dissolving it in a silicone gel. Characterization is carried out through photocurrent and photoluminescence measurements. The improvement in photocurrent detected by the combination of the up-converter and the PbS quantum dots is 60% better than without them, demonstrating that the absorption and emission characteristics of the quantum dots embedded both in the oxide or the silicone can be tuned to the desired spectral region. |
| doi_str_mv | 10.1016/j.solmat.2010.06.028 |
| format | Article |
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| ispartof | Solar energy materials and solar cells, 2010-11, Vol.94 (11), p.1923-1926 |
| issn | 0927-0248 1879-3398 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Bifacial Quantum dots Silicon Solar cells Up-conversion |
| title | Enhancement of up-conversion efficiency by combining rare earth-doped phosphors with PbS quantum dots |
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