In the bottom-up growth mode, how to understand that spherical assembled nanoparticle catalysts exhibit superior stability compared to conventional supported nanoparticles?
Yuri Mirgorod
Xin-Pu Fu
The rate of heterogeneous reactions, which include reactions with catalysts, is proportional to the specific area of the catalyst (m2/g). Spherical catalysts made of nanoparticles have a significantly larger specific area than those attached to a stationary surface. In addition, they continuously renew contact with the activated complex, which helps to reduce the activation energy of the reaction compared to a stationary catalyst. Therefore, such catalysts have higher stability compared to conventional nanoparticles on a support.
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