Thin-film metallization of CuInGaSe2 nanoparticles by supersonic kinetic spraying

Jung Jae Park, Jong Gun Lee, Scott C. James, Salem S. Al-Deyab, Sejin Ahn, Suk Goo Yoon

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

High-speed spraying quickly deposits dry, solid particles at atmospheric pressure, without the use of binders, across large coating areas. We experimentally deposited Al2O3 and copper-indium-gallium-selenium (CIGS) nanoparticles on Al2O3 and molybdenum substrates and numerically replicated the results to elucidate the details of the deposition mechanisms. Thin films formed from layers of sprayed-particle impacts. Both single- and multiple-particle impacts are simulated and increases in pressure, temperature and von Mises stress are reported. Both experimentally and numerically, micron-sized particles are pulverized into flattened layers of nano-sized particle fragments. Characterizing the impact physics (particle collapse speed, energy exchange, and substrate damage) helps identify the optimum operating envelope for particle speeds less than 200 m/s that maximizes thin-film growth rates and minimizes substrate damage.

Original languageEnglish
Pages (from-to)66-76
Number of pages11
JournalComputational Materials Science
Volume101
DOIs
Publication statusPublished - 2015 Apr 15

Fingerprint

spraying
Spraying
Metallizing
Nanoparticles
Thin Films
Kinetics
Thin films
nanoparticles
kinetics
Substrates
thin films
Gallium
Indium
Molybdenum
High energy physics
Substrate
Selenium
Film growth
Atmospheric pressure
Binders

Keywords

  • CIGS nanoparticle
  • Impact bonding
  • Supersonic spraying

ASJC Scopus subject areas

  • Materials Science(all)
  • Chemistry(all)
  • Computer Science(all)
  • Physics and Astronomy(all)
  • Computational Mathematics
  • Mechanics of Materials

Cite this

Thin-film metallization of CuInGaSe2 nanoparticles by supersonic kinetic spraying. / Park, Jung Jae; Lee, Jong Gun; James, Scott C.; Al-Deyab, Salem S.; Ahn, Sejin; Yoon, Suk Goo.

In: Computational Materials Science, Vol. 101, 15.04.2015, p. 66-76.

Research output: Contribution to journalArticle

Park, Jung Jae ; Lee, Jong Gun ; James, Scott C. ; Al-Deyab, Salem S. ; Ahn, Sejin ; Yoon, Suk Goo. / Thin-film metallization of CuInGaSe2 nanoparticles by supersonic kinetic spraying. In: Computational Materials Science. 2015 ; Vol. 101. pp. 66-76.
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