Printing of NiO-YSZ nanocomposites: from continuous synthesis to inkjet deposition

Massimo Rosa*, Philippe Zielke, Ragnar Kiebach, Victor Costa Bassetto, Andreas Lesch, Vincenzo Esposito

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Water-based inks, containing nanometric NiO and YSZ particles in 66/34 vol. % ratio, are produced by colloidal stabilization of a binary dispersion obtained via continuous hydrothermal synthesis at supercritical conditions, i.e. 280 bar and 400 °C. The method yields single-crystal particles with diameter ≤ 10 nm for both phases in a single-step process, achieving a highly mixed composite. Two different approaches are applied to formulate inks printable with piezoelectric printheads, i.e. an electrostatic and an electrosteric stabilization path. The use of an electrosteric dispersant results in colloids with superior stability > 200 days, more uniform thin films and finely nanostructured porous cermet films with thickness below 500 nm, after reducing NiO to Ni. Particles coarsening to 50-150 nm is obtained at 1000 °C, accompanied by a shrinkage of ca. 43 % in thickness without the formation of cracks or delamination of the zirconia substrates.
Original languageEnglish
JournalJournal of the European Ceramic Society
Volume39
Issue number4
Pages (from-to)1279-1286
ISSN0955-2219
DOIs
Publication statusPublished - 2019

Keywords

  • Inkjet printing
  • Hydrothermal synthesis
  • Nanomaterial processing
  • Colloid

Cite this

Rosa, Massimo ; Zielke, Philippe ; Kiebach, Ragnar ; Bassetto, Victor Costa ; Lesch, Andreas ; Esposito, Vincenzo. / Printing of NiO-YSZ nanocomposites: from continuous synthesis to inkjet deposition. In: Journal of the European Ceramic Society. 2019 ; Vol. 39, No. 4. pp. 1279-1286.
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abstract = "Water-based inks, containing nanometric NiO and YSZ particles in 66/34 vol. {\%} ratio, are produced by colloidal stabilization of a binary dispersion obtained via continuous hydrothermal synthesis at supercritical conditions, i.e. 280 bar and 400 °C. The method yields single-crystal particles with diameter ≤ 10 nm for both phases in a single-step process, achieving a highly mixed composite. Two different approaches are applied to formulate inks printable with piezoelectric printheads, i.e. an electrostatic and an electrosteric stabilization path. The use of an electrosteric dispersant results in colloids with superior stability > 200 days, more uniform thin films and finely nanostructured porous cermet films with thickness below 500 nm, after reducing NiO to Ni. Particles coarsening to 50-150 nm is obtained at 1000 °C, accompanied by a shrinkage of ca. 43 {\%} in thickness without the formation of cracks or delamination of the zirconia substrates.",
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author = "Massimo Rosa and Philippe Zielke and Ragnar Kiebach and Bassetto, {Victor Costa} and Andreas Lesch and Vincenzo Esposito",
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Printing of NiO-YSZ nanocomposites: from continuous synthesis to inkjet deposition. / Rosa, Massimo; Zielke, Philippe; Kiebach, Ragnar; Bassetto, Victor Costa ; Lesch, Andreas; Esposito, Vincenzo.

In: Journal of the European Ceramic Society, Vol. 39, No. 4, 2019, p. 1279-1286.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Printing of NiO-YSZ nanocomposites: from continuous synthesis to inkjet deposition

AU - Rosa, Massimo

AU - Zielke, Philippe

AU - Kiebach, Ragnar

AU - Bassetto, Victor Costa

AU - Lesch, Andreas

AU - Esposito, Vincenzo

PY - 2019

Y1 - 2019

N2 - Water-based inks, containing nanometric NiO and YSZ particles in 66/34 vol. % ratio, are produced by colloidal stabilization of a binary dispersion obtained via continuous hydrothermal synthesis at supercritical conditions, i.e. 280 bar and 400 °C. The method yields single-crystal particles with diameter ≤ 10 nm for both phases in a single-step process, achieving a highly mixed composite. Two different approaches are applied to formulate inks printable with piezoelectric printheads, i.e. an electrostatic and an electrosteric stabilization path. The use of an electrosteric dispersant results in colloids with superior stability > 200 days, more uniform thin films and finely nanostructured porous cermet films with thickness below 500 nm, after reducing NiO to Ni. Particles coarsening to 50-150 nm is obtained at 1000 °C, accompanied by a shrinkage of ca. 43 % in thickness without the formation of cracks or delamination of the zirconia substrates.

AB - Water-based inks, containing nanometric NiO and YSZ particles in 66/34 vol. % ratio, are produced by colloidal stabilization of a binary dispersion obtained via continuous hydrothermal synthesis at supercritical conditions, i.e. 280 bar and 400 °C. The method yields single-crystal particles with diameter ≤ 10 nm for both phases in a single-step process, achieving a highly mixed composite. Two different approaches are applied to formulate inks printable with piezoelectric printheads, i.e. an electrostatic and an electrosteric stabilization path. The use of an electrosteric dispersant results in colloids with superior stability > 200 days, more uniform thin films and finely nanostructured porous cermet films with thickness below 500 nm, after reducing NiO to Ni. Particles coarsening to 50-150 nm is obtained at 1000 °C, accompanied by a shrinkage of ca. 43 % in thickness without the formation of cracks or delamination of the zirconia substrates.

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KW - Hydrothermal synthesis

KW - Nanomaterial processing

KW - Colloid

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