Research Article

Single-Crystalline Silicon Solar Cell with Selective Emitter Formed by Screen Printing and Chemical Etching Method: A Feasibility Study

Figure 6

Optical reflectance versus wavelength for wafers (a) without ARC deposited and (b) with ARC deposited. The legends refer to the etching time, with 0 min denoting an as-textured wafer, that is, a wafer that does not go through an etch-back process.