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Figure 3 | Nanoscale Research Letters

Figure 3

From: Antireflective silicon nanostructures with hydrophobicity by metal-assisted chemical etching for solar cell applications

Figure 3

Measured hemispherical reflectance spectra and estimated average height and number of structures. (a) Measured hemispherical reflectance spectra of the Si nanostructures fabricated using different HF concentrations from 4% to 25% in an aqueous solution. (b) Estimated average height and number of structures within a unit area as a function of HF concentration.

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