Synthesis of Germanium Oxide Nanoparticles in Low-Pressure Premixed Flames
Germanium oxide (GeO
x
) nanoparticles in the size range from 1 nm to 5 nm were synthesized in a low-pressure premixed H2/O2/Ar flat flame of 30 mbar. The premixed
flame was doped with different amounts of tetramethyl germanium (Ge(CH3)4) ranging from 250 ppm to 2000 ppm. The influence of process parameters such as the amount of oxygen in the
reaction gas, the condensation and reaction time, standoff, and precursor concentration with respect to growth of germanium oxide particles were investigated. The particles formed were analyzed in situ
according to their mass and charge with a particle mass spectrometer. The specific surface area was determined ex situ by the BET method. The crystal form and chemical composition of produced nanopowders
were characterized by EDX analysis and X-ray diffraction measurements.
Keywords: EDX ANALYSIS; GERMANIUM OXIDE NANOPARTICLES; SYNTHESIS; XRD
Document Type: Research Article
Publication date: 01 January 2004
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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