Ligand effect on cluster growth

For silver complexed by CN , the surface plasmon spectrum of clusters develops with a maximum close to 395 nm, similar to that of hydrated clusters without ligand, but with a higher extinction coefficient per atom 395 (Ag cn ) = 

The formation of gold oligomers and, after a long time, of gold particles Au ,cn , that are also associated with complexed gold ions, is observed at 520 The 

The pulse radiolysis study of a solution containing the monovalent copper complexed by Cl has shown an optical absorption band at ca 380 nm as a result of the formation of Cu°, After association of this complexed atom with excess of 

---