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OLED multi-material 3D printing
(A) Schematic of the steps for multi-material fabrication whereby each layer is composed of more than one material.
(B) Sample substrates fabricated using an ink containing PEGDA, 0.5% I784, with and without 0.005% BFD, using the described multi-material protocol with 250 μm layers and 30 s exposures. Scale bars are 5 mm.
