Controlling the thickness of the surface oxide layer on Cu nanoparticles for the fabrication of conductive structures by ink-jet printing

Sunho Jeong, Kyoohee Woo, Dongjo Kim, Soonkwon Lim, Jang Sub Kim, Hyunjung Shin, Younan Xia, Joo Ho Moon

Research output: Contribution to journalArticle

350 Citations (Scopus)

Abstract

With the aim of preparing a high performance conductive ink, we sought to control the surface chemistry of Cu nanoparticles so as to minimize surface oxidation. Specifically, the surface oxide layer on Cu nanoparticles synthesized in ambient atmosphere was minimized by adjusting the molecular weight of poly(N-vinylpyrrolidone) capping molecules, as confirmed by high resolution transmission electron microscopy and X-ray photoelectron spectroscopy analyses. In addition, we demonstrate that by minimizing the thickness of the surface oxide layer, Cu granular films with good conductivity could be obtained by sintering nanoparticle assembles. Finally, we fabricated highly conductive Cu patterns on a plastic substrate by ink-jet printing.

Original languageEnglish
Pages (from-to)679-686
Number of pages8
JournalAdvanced Functional Materials
Volume18
Issue number5
DOIs
Publication statusPublished - 2008 Mar 11

Fingerprint

Ink jet printing
inks
printing
Oxides
Nanoparticles
Fabrication
nanoparticles
fabrication
oxides
High resolution transmission electron microscopy
Surface chemistry
Ink
Sintering
X ray photoelectron spectroscopy
Molecular weight
Plastics
molecular weight
Oxidation
sintering
Molecules

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Condensed Matter Physics
  • Electrochemistry

Cite this

Jeong, Sunho ; Woo, Kyoohee ; Kim, Dongjo ; Lim, Soonkwon ; Kim, Jang Sub ; Shin, Hyunjung ; Xia, Younan ; Moon, Joo Ho. / Controlling the thickness of the surface oxide layer on Cu nanoparticles for the fabrication of conductive structures by ink-jet printing. In: Advanced Functional Materials. 2008 ; Vol. 18, No. 5. pp. 679-686.
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Controlling the thickness of the surface oxide layer on Cu nanoparticles for the fabrication of conductive structures by ink-jet printing. / Jeong, Sunho; Woo, Kyoohee; Kim, Dongjo; Lim, Soonkwon; Kim, Jang Sub; Shin, Hyunjung; Xia, Younan; Moon, Joo Ho.

In: Advanced Functional Materials, Vol. 18, No. 5, 11.03.2008, p. 679-686.

Research output: Contribution to journalArticle

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