In-tandem deposition and sintering of printed gold nanoparticle inks induced by continuous Gaussian laser irradiation

Jaewon Chung, N. R. Bieri, S. Ko, C. P. Grigoropoulos, D. Poulikakos

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

By employing continuous Gaussian laser irradiation in tandem with a specifically designed drop-on-demand jetting system, nanoparticle inks were printed and sintered on glass substrate. A toluene solvent is employed as the carrier of gold nanoparticles possessing a lower melting temperature than that of bulk gold. Marangoni flow due to radial surface tension gradient combined with a moving substrate displaces nanoparticle ink in front of and around the laser spot. Experiments were carried out changing incident laser power, focused beam waist, and translation speed, and resulting phenomena at different conditions were explained. Strong coalescence occurred from 9000-14000 W/cm 2, and a gold line with 8 μm of width was demonstrated.

Original languageEnglish
Pages (from-to)1259-1261
Number of pages3
JournalApplied Physics A: Materials Science and Processing
Volume79
Issue number4-6
Publication statusPublished - 2004 Sep 1
Externally publishedYes

Fingerprint

inks
Laser beam effects
Ink
Gold
sintering
Sintering
gold
Nanoparticles
nanoparticles
irradiation
lasers
Lasers
Toluene
Substrates
Coalescence
coalescing
Surface tension
Melting point
toluene
interfacial tension

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy (miscellaneous)

Cite this

In-tandem deposition and sintering of printed gold nanoparticle inks induced by continuous Gaussian laser irradiation. / Chung, Jaewon; Bieri, N. R.; Ko, S.; Grigoropoulos, C. P.; Poulikakos, D.

In: Applied Physics A: Materials Science and Processing, Vol. 79, No. 4-6, 01.09.2004, p. 1259-1261.

Research output: Contribution to journalArticle

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