Research Article

Effect of HF Concentration on Physical and Electronic Properties of Electrochemically Formed Nanoporous Silicon

Table 1

Variation of physical properties, shift, and broadening in phonon peak of samples (a), (b), and (c).

Sample detailsElectrolyte (HF : ethanol)Pore dia. (nm)Porosity %Specific surface area (m2/cm3)Raman shift Peak width

(a) 3 : 710544065168.3
(b) 4 : 68454335184.9
(c) 6 : 43309005194.2