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. 2021 Jun 1;3(6):2865–2883. doi: 10.1021/acsapm.1c00252

Figure 2.

Figure 2

(top) General scheme of an extrusion-based printing method divided in two: DIW, where the material can be driven down through air, screw, or piston, and fused filament fabrication (FFF) where the material is a filament melted by temperature. (bottom) Some examples of printed structures by DIW of PEDOT:PSS: (a) 3D pillar electrodes with 80 μm height and 14 μm diameter. Adapted and reprinted with permission from ref (57). Copyright 2019 Wiley-VCH Verlag GmbH & Co. KGaA. (b) Free-standing 3D layer-by-layer scaffolds with high resolution. Reprinted with permission from ref (58). Copyright 2020 Springer Nature. (c) PEDOT:Nafion forming filament fused for 3D printing. Adapted and reprinted with permission from ref (59). Copyright 2020 American Chemical Society.