Fig. 8. Angular resolved scattering measured at 500 nm for a series of layer with increasing NC-ZnO filling layer thickness on a 1.8 mm thick base layer (B2H6/DEZ ¼4.2 Á 10 À 4). Thick solid line: base layer. Dashed line with no marking:sputtered ZnO:Al textured by HCl wet chemical etching.