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. 2014 Mar 7;19(3):2969–2992. doi: 10.3390/molecules19032969

Figure 2.

Figure 2

Binding energy EB of CuPc adsorbed (a) on Au(111) and (b) on Ag(111) surfaces, as a function of the vertical distance, d. For determining d, the vertical positions of the carbon atoms in the CuPc molecules and the metal atoms in the relaxed top metal layer are averaged.