DOI: 10.1063/1.2496249. Self-aligned inkjet printing of highly conducting gold electrodes with submicron resolution

Self-aligned inkjet printing of highly conducting gold electrodes with submicron resolution

10.1063/1.2496249

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Self-aligned printing is a recently developed bottom-up printing technique which utilizes the unique droplet motion on heterogeneous surfaces to define sub-100-nm critical features and surpasses the resolution which can commonly be achieved by direct printing by two orders of magnitude. Here we extend this method, which was originally implemented with conductive polymer inks, to fabrication of functional conductive nanostructures with gold nanoparticle ink. We also designed a configuration where the ink was printed between two lithographically defined patterns to facilitate the study of the channel formation. Channel lengths from 4μm down to 60nm were achieved by controlling the surface tension and drying time of the ink. A fluid dynamical model is presented to explain the mechanism by which the channel forms in the self-aligned printing technique. Field-effect transistors fabricated using gold self-aligned printed source-drain electrodes exhibit significantly improved output currents than those using conducting polymers. Unambiguous evidence for the submicrometer channel dimension is obtained by imaging the potential drop along the channel using scanning Kelvin probe microscopy.

Authors 6

Ni Zhao (first)
Marco Chiesa (additional)
Henning Sirringhaus (additional)
Yuning Li (additional)
Yiliang Wu (additional)
Beng Ong (additional)

References 27 Referenced 74

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Dates

Type	When
Created	18 years, 5 months ago (March 29, 2007, 9:24 a.m.)
Deposited	2 years ago (Aug. 7, 2023, 5:15 a.m.)
Indexed	4 weeks ago (Aug. 2, 2025, 12:39 a.m.)
Issued	18 years, 5 months ago (March 15, 2007)
Published	18 years, 5 months ago (March 15, 2007)
Published Online	18 years, 5 months ago (March 28, 2007)
Published Print	18 years, 5 months ago (March 15, 2007)

Funders 0

None

BibTeX

@article{Zhao_2007, title={Self-aligned inkjet printing of highly conducting gold electrodes with submicron resolution}, volume={101}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.2496249}, DOI={10.1063/1.2496249}, number={6}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Zhao, Ni and Chiesa, Marco and Sirringhaus, Henning and Li, Yuning and Wu, Yiliang and Ong, Beng}, year={2007}, month=mar }

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