Fig. 1: Structure and morphology of the phthalocyanine molecule layers.

a–c 2D-GIXRD patterns of F16CoPc (1 nm), CuPc (7 nm), and F16CoPc (1 nm)/CuPc (7 nm), respectively. The corresponding insets present the layer stacks and AFM images (Scale bars, 250 nm). d Schematic molecular packing structures of CuPc grown on bare Au and 1 nm F16CoPc coated Au.