Fig. 3
From: Three-dimensional bicontinuous nanoporous materials by vapor phase dealloying
Microstructural characterization of nanoporous cobalt under high-vacuum. a, b SEM images of nanoporous cobalt with dealloying time of 20 and 60 min at 673 K and 6 × 10−3 Pa. a, b Scale bars, 100 nm. c The relation between the concentration of residual zinc and dealloying time for both low- and high-vacuum dealloying conditions. d Correlation between pore size and dealloying time for different dealloying conditions
