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Journal of Nanomaterials
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Journal of Nanomaterials
/
2009
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Article
/
Tab 1
/
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 details
Electrolyte (HF : ethanol)
Pore dia. (nm)
Porosity %
Specific surface area (m
2
/cm
3
)
Raman shift
Peak width
(a)
3 : 7
10
54
406
516
8.3
(b)
4 : 6
8
45
433
518
4.9
(c)
6 : 4
3
30
900
519
4.2