Figure 1 | Scientific Reports

Figure 1

From: Zinc detection in oil-polluted marine environment by stripping voltammetry with mercury-free nanoporous gold electrode

Figure 1

Fabrication steps of PAA-g-PVDF nanoporous membrane electrode: I. Swift heavy-ion irradiation of PVDF thin film using \(_{136}\)Xe\(^{54+}\) ions of 5.9 MeV/mau, II. Ion-track etching, III. Radiation-induced grafting of PAA inside PVDF etched ion-tracks, IV. Sputtering of a thin gold layer (35 nm) on each side of PAA-g-PVDF nanoporous membrane. Photo of 12 nanoporous gold electrodes sputtered through a home-made mask onto PAA-g-PVDF track-etched membrane surface.

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