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Figure 2 | Nanoscale Research Letters

Figure 2

From: Radial n-i-p structure SiNW-based microcrystalline silicon thin-film solar cells on flexible stainless steel

Figure 2

SEM images of (a) the n-type SiNWs and (b) the SiNW-based μc-Si:H solar cells. The bottom segment diameters of the SiNWs range from 50 to 200 nm, and their lengths extend about 3 μm. The white circles mark out the indium nanoparticles on top of the SiNWs. The final p-type a-Si:H/i-type μc-Si:H/n-type SiNW structure diameter is about 1.5 μm and rather uniform along its length.

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