Nucleophilic stabilization of water-based reactive ink for titania-based thin film inkjet printing

Research output: Contribution to journalJournal articleResearchpeer-review

181 Downloads (Pure)

Abstract

Drop on demand deposition (DoD) of titanium oxide thin films (<500 nm) is performed via a novel titanium-alkoxide-based solution that is tailored as a reactive ink for inkjet printing. The ink is developed as water-based solution by a combined use of titanium isopropoxide and n-methyldiethanolamine (MDEA) used as nucleophilic ligand. The function of the ligand is to control the fast hydrolysis/condensation reactions in water for the metal alkoxide before deposition, leading to formation of the TiO2 only after the jet process. The evolution of the titanium-ligand interactions at increasing amount of MDEA is here elucidated in terms of long term stability. The ink printability parameter (Z) is optimized, resulting in a reactive solution with printability, Z, >1, and chemical stability up to 600 h. Thin titanium oxide films (<500 nm) are proved on different substrates. Pure anatase phase is obtained after annealing at low temperature (ca. 400 °C).
Original languageEnglish
JournalJournal of Physics and Chemistry of Solids
Volume101
Pages (from-to)10-17
Number of pages8
ISSN0022-3697
DOIs
Publication statusPublished - 2017

Keywords

  • Inkjet
  • Thin film
  • Sol-gel
  • Rheology
  • Titania

Cite this

@article{9ebf05114a894c3fb519599fd1c593ed,
title = "Nucleophilic stabilization of water-based reactive ink for titania-based thin film inkjet printing",
abstract = "Drop on demand deposition (DoD) of titanium oxide thin films (<500 nm) is performed via a novel titanium-alkoxide-based solution that is tailored as a reactive ink for inkjet printing. The ink is developed as water-based solution by a combined use of titanium isopropoxide and n-methyldiethanolamine (MDEA) used as nucleophilic ligand. The function of the ligand is to control the fast hydrolysis/condensation reactions in water for the metal alkoxide before deposition, leading to formation of the TiO2 only after the jet process. The evolution of the titanium-ligand interactions at increasing amount of MDEA is here elucidated in terms of long term stability. The ink printability parameter (Z) is optimized, resulting in a reactive solution with printability, Z, >1, and chemical stability up to 600 h. Thin titanium oxide films (<500 nm) are proved on different substrates. Pure anatase phase is obtained after annealing at low temperature (ca. 400 °C).",
keywords = "Inkjet, Thin film, Sol-gel, Rheology, Titania",
author = "Christophe Gadea and Debora Marani and Vincenzo Esposito",
year = "2017",
doi = "10.1016/j.jpcs.2016.10.004",
language = "English",
volume = "101",
pages = "10--17",
journal = "Journal of Physics and Chemistry of Solids",
issn = "0022-3697",
publisher = "Pergamon Press",

}

Nucleophilic stabilization of water-based reactive ink for titania-based thin film inkjet printing. / Gadea, Christophe; Marani, Debora; Esposito, Vincenzo.

In: Journal of Physics and Chemistry of Solids, Vol. 101, 2017, p. 10-17.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Nucleophilic stabilization of water-based reactive ink for titania-based thin film inkjet printing

AU - Gadea, Christophe

AU - Marani, Debora

AU - Esposito, Vincenzo

PY - 2017

Y1 - 2017

N2 - Drop on demand deposition (DoD) of titanium oxide thin films (<500 nm) is performed via a novel titanium-alkoxide-based solution that is tailored as a reactive ink for inkjet printing. The ink is developed as water-based solution by a combined use of titanium isopropoxide and n-methyldiethanolamine (MDEA) used as nucleophilic ligand. The function of the ligand is to control the fast hydrolysis/condensation reactions in water for the metal alkoxide before deposition, leading to formation of the TiO2 only after the jet process. The evolution of the titanium-ligand interactions at increasing amount of MDEA is here elucidated in terms of long term stability. The ink printability parameter (Z) is optimized, resulting in a reactive solution with printability, Z, >1, and chemical stability up to 600 h. Thin titanium oxide films (<500 nm) are proved on different substrates. Pure anatase phase is obtained after annealing at low temperature (ca. 400 °C).

AB - Drop on demand deposition (DoD) of titanium oxide thin films (<500 nm) is performed via a novel titanium-alkoxide-based solution that is tailored as a reactive ink for inkjet printing. The ink is developed as water-based solution by a combined use of titanium isopropoxide and n-methyldiethanolamine (MDEA) used as nucleophilic ligand. The function of the ligand is to control the fast hydrolysis/condensation reactions in water for the metal alkoxide before deposition, leading to formation of the TiO2 only after the jet process. The evolution of the titanium-ligand interactions at increasing amount of MDEA is here elucidated in terms of long term stability. The ink printability parameter (Z) is optimized, resulting in a reactive solution with printability, Z, >1, and chemical stability up to 600 h. Thin titanium oxide films (<500 nm) are proved on different substrates. Pure anatase phase is obtained after annealing at low temperature (ca. 400 °C).

KW - Inkjet

KW - Thin film

KW - Sol-gel

KW - Rheology

KW - Titania

U2 - 10.1016/j.jpcs.2016.10.004

DO - 10.1016/j.jpcs.2016.10.004

M3 - Journal article

VL - 101

SP - 10

EP - 17

JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

SN - 0022-3697

ER -