Fig. 1: In situ DRIFT spectra of CO adsorption over Au/TiO2 with different particle size.
From: Size-dependent strong metal-support interaction in TiO2 supported Au nanocatalysts

a Au-3 nm, b Au-7 nm, c Au-9 nm, and d Au-13 nm. The notation of -fresh represents the as-synthesized samples, the notation of -HX represent samples reduced by 10 vol% H2/He under different temperatures, and the notation of -HX-O400 represent samples reoxidized at 400 °C after reduction.