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Incorporation of a light and carrier collection management nano-element array into superstrate a-Si:H solar cells
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10.1063/1.3628460
/content/aip/journal/apl/99/7/10.1063/1.3628460
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3628460
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Figures

Image of FIG. 1.
FIG. 1.

(Color) The unit cell of the LCCM design used in this study. Three possibilities are shown: (a) Non-overlapping undulations, (b) touching undulations, and (c) overlapping undulations. The control device is shown in (d). The parameter t is the thickness an a-Si:H deposition would give in the inter-dome regions. It is also the a-Si:H thickness in the control cell of (d).

Image of FIG. 2.
FIG. 2.

(Color) The light (AM 1.5, 100 mW/cm2) and dark J-V characteristics of an LCCM device and an FESEM micrograph showing the cross-section. The cross-section was prepared using focused ion beam milling. The AZO nano-columns had d = 150 nm, h = 525 nm, and L = 1290 nm. This device contained an a-Si:H i-layer (t = 320 nm), p-type layer (13 nm) and n-type layer (60 nm).

Image of FIG. 3.
FIG. 3.

(Color) (a) The computed short circuit current density JSC as a function of L for structures with (1) t = 400 nm, R = 473 nm, R* = 550 nm, and h = 550 nm and with (2) t = 200 nm, R = 220 nm, R* = 220 nm, and h = 500 nm. Superimposed is the effective absorber thickness as a function of L for both thicknesses. (b) Photonic and plasmonic contribution (%) to total Jsc as a function of L for both thicknesses.

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/content/aip/journal/apl/99/7/10.1063/1.3628460
2011-08-19
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Incorporation of a light and carrier collection management nano-element array into superstrate a-Si:H solar cells
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3628460
10.1063/1.3628460
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