A straightforward procedure for removing commonly used surfactants in nanoparticle synthesis, PVP and oleylamine/oleic acid, from Pt nanocubes by electrochemical potential cycling in 0.5 M NaOH is reported. The cyclic voltammetric results demonstrate that this procedure can effectively remove surfactants from Pt nanocubes, while preserving their surface structure.
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Yang et al. (2013) studied this question.
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