Figure 4
From: Origin of macroscopic adhesion in organic light-emitting diodes analyzed at different length scales
(a–f) Topography images measured on the Layers (a,d) [1], (b,e) [2], and (c,f) [3], respectively, for the OLEDs (a–c) #1 and (d–f) #2. The scale bar is 1 μm. (g) Roughness values of each layer for the two OLEDs.
