Raman microspectroscopic analysis of changes in the chemical structure and reactivity of soot in a diesel exhaust aftertreatment model system.

@article{Ivleva2007RamanMA,
  title={Raman microspectroscopic analysis of changes in the chemical structure and reactivity of soot in a diesel exhaust aftertreatment model system.},
  author={Natalia P Ivleva and Armin Messerer and Xin Yang and Reinhard Niessner and Ulrich P{\"o}schl},
  journal={Environmental science & technology},
  year={2007},
  volume={41 10},
  pages={3702-7}
}
Raman microspectroscopy has been applied to follow structural changes in spark discharge (GfG) soot and light-duty diesel vehicle (LDV) soot upon oxidation and gasification by nitrogen oxides and oxygen in a diesel exhaust aftertreatment model system at 523 and 573 K. Raman spectra have been recorded before and during the oxidation process, and spectral parameters have been determined by curve fitting with five bands (G, D1-D4). For GfG soot, a steep initial decrease of the relative intensity… CONTINUE READING
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