Rate of Access to the Binding Sites in Organically Modified Silicates. 2. Ordered Mesoporous Silicas Grafted with Amine or Thiol Groups

Alain Walcarius (1) , Mathieu Etienne (1) , Bénédicte Lebeau (2)

1 LCPME - Laboratoire de Chimie Physique et Microbiologie pour l'Environnement
2 LMM - Laboratoire de Matériaux Minéraux

Mass-transfer rates of various reactants (H+, HgII, CuII) in mesoporous silicas grafted with aminopropyl or mercaptopropyl groups have been investigated; they are strongly dependent on the materials structures, their pore size, the density of organic groups, and the reactant size and charge.

Domains: Analytical chemistry

Alain Walcarius, Mathieu Etienne, Bénédicte Lebeau. Rate of Access to the Binding Sites in Organically Modified Silicates. 2. Ordered Mesoporous Silicas Grafted with Amine or Thiol Groups. Chemistry of Materials, 2003, 15 (11), pp.2161-2173. ⟨10.1021/cm021310e⟩. ⟨hal-01942004⟩