Table 1 Limited degradation of surface area-to-volume ratio after annealing in oxidative environment.

From: Morphological evolution of Pt-modified nanoporous gold after thermal coarsening in reductive and oxidative environments

 

Volume fraction NPG

Surface area NPG/NPG volume (nm−1)

NPG-AuAgPt3 (annealed in air)

0.501

0.479

NPG-AuAgPt3

0.520

0.576

  1. Volume fractions, and ratios of surface area-to-volume for NPG-Pt annealed in air, and as-dealloyed NPG, obtained by APT (full methodology and data for as-dealloyed NPG-Pt from ref. 8).