Figure 1.

The schematic structure of SiNW-based μc-Si:H thin-film solar cells. n-type SiNWs coaxial covered by i-type μc-Si:H and p-type a-Si:H to form radial n-i-p structure.

Xie et al. Nanoscale Research Letters 2012 7:621   doi:10.1186/1556-276X-7-621
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