Understanding the Formation of the Self-Assembly of Colloidal Copper Nanoparticles by Surfactant: A Molecular Velcro

Figure 4

(a) XRD spectrum after 3 and 120 days with CTAB below the CMC shows the diffraction peaks of Cu₂O, CuO, and Cu. (b) The absorbance spectrum below and above CMC.

(a)  

(b)