Feeling Nanoporous Gold
Got something to say to this podcast? Send a voicemail, and you might hear yourself on the next episode! Episode 174 of the Professor Alex Volinsky podcast. AFM did double duty on nanoporous gold: topographic imaging mapped few-nanometer ligaments while current-sensing mode read the surface oxide's electrical character — likely residual silver oxide — which suppresses coarsening. In-situ electrochemistry caught the structure breathing 40 nm across 0.35–0.7 V. Based on the paper: Atomic Force Microscopy Study of Nanoporous Gold Surface and Electrochemical Properties; P. Gao, P. Qian, L. Qiao, A.A. Volinsky, Y. Su; Scripta Materialia, 2019, Vol. 168, pp. 1–4. Hosts Elena and Marcus. AI-generated voices.
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