We investigate the influence of salt, acidic, and basic solutions (citrate, NaOH, and HCl) on the size of gold nanoparticles (AuNPs)\r\nsynthesized by laser ablation in aqueous media. We found that NP size increases from 3 nm to 13 nm when Zeta potential varies\r\nfrom -100 mV to -10 mV whatever the concentration and the nature of chemical solution are namely, citrate, NaOH, and HCl.\r\nThese results demonstrated that the final size of gold NPs produced by laser ablation in liquid media is mainly governed by the\r\ncharge-dependent growth mechanism.
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