Growth of coatings on nanoparticles by photoinduced chemical vapor deposition

Bin Zhang, Ying Chih Liao, Steven L. Girshick, Jeffrey T. Roberts

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Photoinduced chemical vapor deposition was used to grow organic coatings on NaCl nanoparticles. Aerosolized nanoparticles were mixed with a vapor-phase coating reactant and introduced into a room-temperature, atmospheric-pressure cell, where the mixture was exposed to 172-nm radiation from a Xe 2*excimer lamp. Several coating reactants were investigated; the most successful was methyl methacrylate (MMA). Tandem differential mobility analysis (TDMA) was used to determine coating thicknesses as a function of initial particle size. For NaCl particles ranging from 20 to 60 nm in mobility diameter, the thicknesses ranged from sub-nm to 20 nm depending on MMA flow rate and initial particle size.

Original languageEnglish (US)
Pages (from-to)173-178
Number of pages6
JournalJournal of Nanoparticle Research
Issue number1
StatePublished - Feb 1 2008


  • Aerosol
  • Chemical vapor deposition
  • Coatings
  • Nanocomposites
  • Nanoparticle
  • Photochemistry
  • Tandem differential mobility analysis

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