6896
Langmuir 2004, 20, 6896-6903
Synthesis of Zerovalent Nanophase Metal Particles Stabilized with Poly(ethylene glycol) Hanaa Khalil,† Devinder Mahajan,*,†,‡ Miriam Rafailovich,‡ Mikhail Gelfer,§ and Kaumudi Pandya| Energy Sciences & Technology Department, Brookhaven National Laboratory, Upton, New York 11973-5000, Department of Materials Science and Engineering, Stony Brook University, Stony Brook, New York 11794-2275, Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, and SFA, Advanced Technology Division, Largo, Maryland 20774 Received January 29, 2004. In Final Form: May 25, 2004 Concurrent sonolysis of iron pentacarbonyl and poly(ethylene glycol)-400 (PEG-400) in hexadecane solvent proceeds via zero-order kinetics and results in Fe nanoparticles encapsulated in PEG-400 (FePEG). The transmission electron microscopy images show Fe-PEG consisting of
