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Universitat Politécnica De Catalunya

Ernest Mendoza Gómez

Jordi Llorca Pique

Leonor Alves Rodrigues

Marta Santiago Redondo

Jordi Llorca Piqué

Edurne Galindo Sese

A method for the manufacture of a catalyst comprising substrate particles having gold nanoparticles thereon, the method comprising providing a first solution comprising gold nanoparticles; providing a second solution comprising substrate particles having polyelectrolyte on the surface thereof; and combining the solutions to form substrate particles having gold nanoparticles thereon. A catalyst comprising substrate particles having gold nanoparticles thereon, wherein the gold nanoparticles comprise capping agent comprising polyelectrolyte. A catalyst as a component of a cigarette filter, an air conditioning unit, an exhaust, or a diesel exhaust.

Method of manufacturing a catalyst comprising gold nanoparticles, the catalyst and its use

Method for producing a substrate with Au (gold) nanoclusters affixed to the surface thereof and substrate and catalyst obtained by means of said method. The method consists in preparing a solution containing, in disperse form, Au nanoclusters and, also in disperse form, a substrate with a surface functionalized with a polyelectrolyte that confers a net electric charge thereon, and in intensely agitating said solution to affix Au nanoclusters to the substrate surface. This results in a substrate that has a surface with Au nanoclusters affixed in disperse form, significantly without clusters. The invention also relates to a catalyst that comprises said substrate with Au nanoclusters affixed to the surface thereof. Said catalyst is particularly suitable for use in oxidation reactions.

Procedure for obtaining a substrate with Au nanoclusters attached to its surface, and the substrate and catalyst obtained through this procedure

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Barcelona, Spain

Ernest Mendoza Gómez