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Tuning the copper Cluster´s size on HOPG by electrodeposition from perchlorate aqueous solutions. An AFM study

In this work, we report the electrochemical synthesis of nanometric copper clusters smaller than 3 nm of height and 14.3 nm of diameter from perchlorate solutions. From the number of copper clusters counted directly from the AFM (Atomic force microscopy) images, it was possible to derive an equation, which is able to predict the number of clusters formed in function on the applied potential. Also, qualitative AFM images were simulated employing a spreadsheet and the freeware ImageJ, the results obtained show concordance with the experimental AFM images.