Synthesis of Goethite by Separation of the Nucleation and Growth Processes of Ferrihydrite Nanoparticles using Microfluidics

Ali Abou Hassan (1) , Olivier Sandre (1) , Sophie Neveu (1) , Valérie Cabuil (1)

1 PECSA - Physicochimie des Electrolytes, Colloïdes et Sciences Analytiques

Microfluidic synthesis is used to form nanoparticles by separate nucleation and growth processes using two microreactors (see picture) operating under different temperature and flow conditions. Ferrihydrite nanoparticles precipitated in the first microreactor are aged under continuous flow in a second microtubular reactor, leading to goethite nanoparticles.

Domaines: Matériaux; Matière Molle [cond-mat.soft]

Ali Abou Hassan, Olivier Sandre, Sophie Neveu, Valérie Cabuil. Synthesis of Goethite by Separation of the Nucleation and Growth Processes of Ferrihydrite Nanoparticles using Microfluidics. Angewandte Chemie International Edition, 2009, 48 (13), pp.2342 - 2345. ⟨10.1002/anie.200805933⟩. ⟨hal-00409238⟩