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Light trapping by a dielectric nanoparticle back reflector in film silicon solar cells
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10.1063/1.3615796
/content/aip/journal/apl/99/6/10.1063/1.3615796
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/6/10.1063/1.3615796

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Average transmission (•) and inverse transmission (□) through different thicknesses of TiO2 NP films on glass slides. (b) Absorption (left axis) and absorption enhancement (right log axis) measured for a 300 μm-thick Si wafer with different back reflectors: none (black ○), Ag (blue □), Al2O3 (green ×), TiO2 (red +). Calculated absorption (dashed lines): no BR (black), ideal flat BR (blue), Yablonovitch limit (orange).

Image of FIG. 2.
FIG. 2.

(Color online) Schematic diagram of the superstrate, epitaxial film Si solar cell mesa with a dielectric NP back reflector.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Absorption (left axis) and absorption enhancement (right log axis) measured for a 2.5 μm-thick crystalline Si film with different back reflectors: none (black ○), Ag (blue □), TiO2 (red +). Calculated absorption (dashed lines): no BR (black), ideal flat BR (blue), Yablonovitch limit (orange). (b) EQE (left axis) and EQE enhancement (right axis) of a 2.5 μm film crystalline Si cell with a TiO2 NP BR (red +) as compared to one without light-trapping (black ○).

Tables

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Table I.

Light I-V characteristics of a 2.5-μm-absorber film crystalline Si cell with and without the TiO2 NP back reflector.

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/content/aip/journal/apl/99/6/10.1063/1.3615796
2011-08-09
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Light trapping by a dielectric nanoparticle back reflector in film silicon solar cells
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/6/10.1063/1.3615796
10.1063/1.3615796
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