Optical Absorption Enhancement in Amorphous Silicon Films and Solar Cell Precursors Using the Aluminum-Induced Glass Texturing Method

Table 2

AM1.5G weighted average absorptance of the four solar cell precursor samples of Figure 5.

Thickness of cell’s intrinsic a-Si:H layer (nm)	Absorptance of planar sample (%)	Absorptance of AIT sample (%)	Absolute increase (%)
115	41.9	47.6	5.7
270	48.7	53.8	5.1