Size Regime Dependent Catalysis by Gold Nanoparticles for the Reduction of Eosin

By Tapan K. Sau, A. Pal, T. Pal. 2001

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Metal@Silica yolk-shell nanostructures as versatile bifunctional nanocatalysts (2011, methodology): “The reduction of o-nitroaniline by NaBH4 was selected as a model reaction that could show diffusioncontrolled kinetics with the Au@SiO2 yolk–shell nanocatalysts [30].”
Towards a definition of inorganic nanoparticles from an environmental, health and safety perspective. (2009, background): “Although gold is known to be inert at the macroscopic scale, when their size is reduced to a few nanometres gold nanoparticles are extremely effective oxidation catalyst”
General method of synthesis for metal nanoparticles (2004, background): “Nanoparticles of gold and other noble metals have attracted much attention because of their potential applications in microelectronics (Schocn,1995; Storhoff, 1999), sensors (Tessier et al., 2000), catalysis ( Sau et al., 2001 ) non-linear optical materials (Collier et al., 1997), etc.”
Nanoparticles: structure, properties, preparation and behaviour in environmental media (2008, background): “The result of this is that materials prepared in a nanoparticle form can have much higher activity in catalytic processes than the bulk material (Yoo 1998) and in some cases materials which may be thought of as poor catalysts, such as gold, can be found to have excellent catalytic properties when pr”