Fig. 2: 3D chemical analysis of four stacked layers of inkjet 3D printed AgNPs. | Communications Materials

Fig. 2: 3D chemical analysis of four stacked layers of inkjet 3D printed AgNPs.

From: Residual polymer stabiliser causes anisotropic electrical conductivity during inkjet printing of metal nanoparticles

Fig. 2

a 3D rendering of ToF-SIMS signal for Ag2+, C6H10NO+ and Si+. b Depth profile (averaged over an area of 50 × 50 µm2 per depth level) showing accumulation of PVP at layers interface. c XPS N1s data for non-interacting, free (C–N, 400 eV) and interacting (C–N–Ag, 398 eV) PVP with the Ag surface on top surface and bulk (~100 nm deep). d Illustration of cross-section of stacked AgNPs layers with PVP-rich interfaces.

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