An inversion technique to determine the aerosol size distribution in multicomponent systems from in situ light scattering measurements

Hyuksang Chang, Wen Y. Lin, Pratim Biswas

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

An inversion technique based on angular dissymmetry to determine the size distribution of a nonabsorbing aerosol formed in a multicomponent system is developed. The parameters of the lognormal distribution function and an effective refractive index are determined by fitting the computed Mie scattering intensities to measured scattering intensities at multiple angles. The technique is used to determine the evolution of the aerosol size distribution formed by oxidation of silicon tetrachloride, phosphorous oxy-chloride, and germanium tetrachloride. The addition of varying quantities of POCl3 and GeCl4 to a SiCl4 vapor feed on the alteration of the size distribution and morphology of particles is established.

Original languageEnglish (US)
Pages (from-to)24-32
Number of pages9
JournalAerosol Science and Technology
Volume22
Issue number1
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Chemistry
  • Materials Science(all)
  • Pollution

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