Fig. 3 | Scientific Reports

Fig. 3

From: NIR-ViS-UV broadband absorption in ultrathin electrochemically-grown, graded index nanoporous platinum films

Fig. 3

Cross-section of the samples t1, t2, t3, and t4 revealing the morphology of porous Pt layer. Schematic representation (a–d) and lateral SEM view on the morphology (e–h) of the four stacks (sample t1, t2, t3, and t4) with nanoporous platinum electrochemically grown on Si/NiCr/Ti at four different electrolysis times (10 s, 30 s, 40 s, 60 s). The scale bar is 300 nm.

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