Formtion and Characteristics of Fe_2O_3 Nano-Particles in Doped Low Pressure H_2O_2/Ar Flames

摘要

Iron-oxide (Fe_2O_3) nano-particles in the size range 4 to 20 nm have been synthesized via a gas-phase route utilizing a H_2/O_2/Ar low-pressure flame. The burner stabilized flame was doped with different amounts of iron-pentacarbonyl (Fe(CO)_5) with concentrations in the range 262 to 2096 ppm. The particles were analyzed in situ according to their mass and charge by means of a particle mass spectrometer (PMS).