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Silicon nanowire solar cells
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color) Structure of the demonstrated all-inorganic silicon nanowire solar cell. (a) schematic cross-sectional view of the Si nanowire solar cell architecture. The nanowire array is coated with a conformal thin film layer. (b) Scanning electron micrograph (plan view) of a typical Si nanowire solar on stainless steel foil, including and ITO layers with insets showing a cross-sectional view of the device and a higher magnification of an individual Si nanowire coated with and ITO.

Image of FIG. 2.
FIG. 2.

(Color) Optical characteristics of Si nanowire solar cells. (a) Specular reflectance (log scale) for a nanowire cell (green) compared to a thin film solar cell (blue) showing a significantly reduced reflectance for the nanowire cell. (b) Picture of a planar solar cell fabricated on a degenerately doped Si substrate (left) and a Si NW solar cell fabricated on the same type of substrate with a area. The Si NW solar cell has a dark, matte appearance compared to the planar device. No antireflective thin film layers were applied to either cell.

Image of FIG. 3.
FIG. 3.

(Color) Optoelectronic characteristics of typical Si nanowire solar cell devices fabricated on SS steel substrates. (a) Dark and light (under simulated AM1.5 conditions) current-voltage characteristics of a typical Si nanowire solar cell, as shown in Figure 1. (b) Measured external quantum efficiency (EQE) for a silicon nanowire cell showing a broad EQE response.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Silicon nanowire solar cells