Size effect of gold nanoparticles supported on carbon nanotube as catalysts in selected organic reactions

Dhanaji V. Jawale (1) , Edmond Gravel (1) , Valérie Geertsen (2) , Haiyan Li (3) , Nimesh Shah (4) , Rahul Kumar (1, 4) , Jubi John (1) , Irishi N. N. Namboothiri (4) , Eric Doris (1)

1 SCBM - Service de Chimie Bio-Organique et de Marquage
2 LIONS - Laboratoire Interdisciplinaire sur l'Organisation Nanométrique et Supramoléculaire
3 Xiamen University
4 IIT Bombay - Indian Institute of Technology Bombay

Abstract Carbon nanotube-supported gold nanoparticles of different sizes (diameter of 3 or 20 nm) were evaluated as catalysts in four selected organic transformations. The nanohybrids were shown to efficiently catalyze the investigated reactions, regardless of the size of the supported gold nanoparticles. However, some differences were observed as regards turnover frequency values although size effect turned out to be less significant when only gold surface atoms were considered.

Mots clés: Carbon nanotubes; Gold; Heterogeneous catalysis; Nanoparticles; Size-effect

Domaines: Chimie-Physique [physics.chem-ph]

Dhanaji V. Jawale, Edmond Gravel, Valérie Geertsen, Haiyan Li, Nimesh Shah, et al.. Size effect of gold nanoparticles supported on carbon nanotube as catalysts in selected organic reactions. Tetrahedron, 2014, 70 (36), pp.6140-6145. ⟨10.1016/j.tet.2014.04.038⟩. ⟨hal-01157192⟩