Fabrication and Photovoltaic Characteristics of Coaxial Silicon Nanowire Solar Cells Prepared by Wet Chemical Etching

Table 1

Various AgNO₃ and HF concentrations in AgNO₃/HF/H₂O mixture chemical solutions, as well as etching time, were employed to explore various surface morphologies of SNWs formed on the p-type Si(100) substrate.

Sample split	AgNO3/HF/H2O (volume)	Etching time (min)
S1	2 : 34: 164	10
S2	4 : 34 : 162	10
S3	6 : 34 : 160	10
S4	8 : 34 : 158	10
S5	4 : 31 : 165	10
S6	4 : 38 : 158	10
S7	4 : 41.5 : 154.5	10
S8	4 : 34 : 162	1.5
S9	4 : 34 : 162	3
S10	4 : 34 : 162	30