Wide-Range Enhancement of Spectral Response by Highly Conductive and Transparent μc-SiO_x:H Doped Layers in μc-Si:H and a-Si:H/μc-Si:H Thin-Film Solar Cells

Figure 1

(a) Absorption coefficient of a-SiO_x:H, μc-Si:H, and μc-SiO_x:H with varied oxygen content [O] and (b) the refractive index () and the optical band gap () of μc-SiO_x:H with varied oxygen content [O].

(a)

(b)