Fabrication of UV Photodetectors Based on Photoelectrochemically Etched Nanoporous Silicon: Effect of Etchants Ratio

Table 2

The energy band gap and wavelength (nm) of the grown n-PSi at different chemical ratios (HF:C₂H₆O:H₂O₂).

Chemical ratio (HF:C2H6O:H2O2)	Energy band gap (eV)	Wavelength (nm)
(1 : 1 : 0)	1.90	650.80
(1 : 3 : 0)	1.96	631.71
(2 : 1 : 1)	1.98	624.96