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Figure 2 | Nanoscale Research Letters

Figure 2

From: Nanofabrication with Pulsed Lasers

Figure 2

a Typical image of “black silicon” spot fabricated on a Si wafer by multi-pulse fs laser ablation in vacuum; b Typical scanning electron microscopy (SEM) image of penguin-like structure of black silicon; c Typical absorption spectra from “black silicon” and silicon treated by different methods

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