Coarsening of nanoporous Au during catalytic CO oxidation

Pia G.

;Delogu F.

2019-01-01

---

Abstract

This study focuses on the effects of catalytic activity on nanoporous Au catalysts fabricated by dealloying. Nanoporous Au structures are shown to coarsen with similar kinetics over a broad temperature range. A variation in the apparent activation energy suggests that coarsening is controlled by different rate-limiting steps at high and low temperatures.