High-resolution inkjet printing of conductive carbon nanotube twin lines utilizing evaporation-driven self-assembly

Nghia Trong Dinh, Enrico Sowade, Thomas Blaudeck, Sascha Hermann, Raul D. Rodriguez, Dietrich R T Zahn, Stefan E. Schulz, Reinhard R. Baumann, Olfa Kanoun

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We report about the inkjet printing of multi-walled carbon nanotubes (MWCNTs) for conductive tracks. The MWCNTs were grown by chemical vapor deposition allowing a defined length and diameter. An inkjet-printable ink formulation was prepared by dispersing the MWCNTs in water. Inkjet-printed high resolution patterns were obtained by printing the prepared ink formulation on silicon wafers utilizing evaporation-driven self-assembly processes. After the deposition of the ink, the solvent evaporation induces material flows within the liquid moving the MWCNTs preferably to the edges of the printed patterns as well as to the print starting position where they assemble. Atomic force microscopy (AFM) reveals a preferential orientation of the deposited MWCNTs. The resulting deposit pattern is well-known as coffee-ring effect which is used here to enable high resolution printing and self-ordering of the MWCNTs. Depending on different print parameters such as drop spacing or substrate temperature, conductive track widths in the range of 5-15 μm were achieved with a electrical resistivity of about 3.9·10-3 to 5.6·10-3 Ω·m measured by current-sensitive AFM.

Original languageEnglish
Pages (from-to)382-393
Number of pages12
JournalCarbon
Volume96
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Fingerprint

Carbon Nanotubes
Self assembly
Printing
Carbon nanotubes
Evaporation
Ink
Atomic force microscopy
Coffee
Silicon wafers
Chemical vapor deposition
Deposits
Water
Liquids
Substrates

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

High-resolution inkjet printing of conductive carbon nanotube twin lines utilizing evaporation-driven self-assembly. / Dinh, Nghia Trong; Sowade, Enrico; Blaudeck, Thomas; Hermann, Sascha; Rodriguez, Raul D.; Zahn, Dietrich R T; Schulz, Stefan E.; Baumann, Reinhard R.; Kanoun, Olfa.

In: Carbon, Vol. 96, 01.01.2016, p. 382-393.

Research output: Contribution to journalArticle

Dinh, NT, Sowade, E, Blaudeck, T, Hermann, S, Rodriguez, RD, Zahn, DRT, Schulz, SE, Baumann, RR & Kanoun, O 2016, 'High-resolution inkjet printing of conductive carbon nanotube twin lines utilizing evaporation-driven self-assembly', Carbon, vol. 96, pp. 382-393. https://doi.org/10.1016/j.carbon.2015.09.072
Dinh, Nghia Trong ; Sowade, Enrico ; Blaudeck, Thomas ; Hermann, Sascha ; Rodriguez, Raul D. ; Zahn, Dietrich R T ; Schulz, Stefan E. ; Baumann, Reinhard R. ; Kanoun, Olfa. / High-resolution inkjet printing of conductive carbon nanotube twin lines utilizing evaporation-driven self-assembly. In: Carbon. 2016 ; Vol. 96. pp. 382-393.
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