Particle functionalization and encapsulation by initiated chemical vapor deposition (iCVD)

Kenneth K.S. Lau, Karen K. Gleason

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


Initiated chemical vapor deposition (iCVD) represents a novel CVD method for functionalization and encapsulation of particle substrates with polymeric materials. Three demonstrations of iCVD coatings on particle substrates are described. In the first, iCVD polytetrafluoroethylene (PTFE) coatings on an array of vertically aligned carbon nanotubes created a superhydrophobic surface. Second, iCVD polyglycidyl methacrylate (PGMA) coatings on microparticles and nanotubes provided reactive surfaces for subsequent binding to produce fluorescent and high refractive index coatings. Finally, iCVD methacrylic acid copolymers on ibuprofen microcrystals delivered enteric drug release properties based on the pH-responsive swelling behavior of the copolymers. Mathematical modeling suggested surface-driven iCVD polymerization kinetics that were analogous to liquid-phase free radical polymerization.

Original languageEnglish (US)
Pages (from-to)9189-9194
Number of pages6
JournalSurface and Coatings Technology
Issue number22-23 SPEC. ISS.
StatePublished - Sep 25 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry


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