modification. Dipyrromethene deposited onto a solid support, after binding Cu2+, can act as a redox active monolayer. The complexation Of Cu(II) ions has been performed on the surface of gold electrodes modified with dipyrrometherne. The characterization of dipyrromethene-Cu(II) self-assembled monolayers (SAMs) has been done by cyclic voltammetry (CV), wettability contact angle measurements, and atomic force microscopy (AFM). The new electroactive monolayer Could be applied for the immobilization of proteins and ssDNA or for electrochemical anion sensing without redox markers in the solution.