Nanomaterial-based catalysts are normally heterogeneous catalysts broken up into metal nanoparticles in order to improve the catalytic process. Metal nanoparticles have a high surface area, which can increase catalytic action. They are typically done under calm conditions to stop the disintegration of the nanoparticles.
As nanoparticles have a high surface-to-volume ratio correlated to bulk materials, they are attractive candidates for use as catalysts. The reduction method applied to control the size and the shape of the transition metal nanoparticles that are developed, which are very significant in catalytic applications.
Nanocatalysis is a quickly growing field that involves the use of nanomaterials as catalysts for a kind of homogeneous and heterogeneous catalysis applications. In homogeneous catalysis, transition metal nanoparticles in colloidal solutions are used as catalysts.
Main applications of nanocatalysts in water purification, fuel cell, energy storage, composite solid rocket explosives, biodiesel production, medicine, in the dye.