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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: ACS Appl Mater Interfaces. 2011 Jan 18;3(2):261–270. doi: 10.1021/am1009056

Figure 12.

Figure 12

HRTEM images with FFT of porous silicon nanowires. (A) Nanowires obtained from 0.008–0.016 Ω·cm silicon wafer in the etching solution of 0.3 M H2O2 and 4.8 M HF for 15 minutes. (B) Nanowires obtained from 0.001–0.002 Ω·cm silicon wafer in the etching solution of 0.3 M H2O2 and 4.8 M HF for 30 minutes. (C) Nanowires obtained from 0.001–0.002 Ω·cm silicon wafer in the etching solution of 0.6 M H2O2 and 4.8 M HF for 15 minutes. The scale bars are 2 nm.