Figure 3
From: Origin of macroscopic adhesion in organic light-emitting diodes analyzed at different length scales
(a) A peel load-extension curve. (b,c) Photographic images obtained after the peel test for the exposed surfaces of the OLEDs (b) #1 and (c) #2, respectively. Note that the regions colored light blue and yellow refer to the Layers [1] and [2], respectively, and the rest of the regions refer to Layer [3]. (d,e) OM images of the dotted green boxes in Figs. (b,c) for the OLEDs (d) #1 and (e) #2, respectively. (f) Area portion as a function of the layers obtained from the image analysis.
