Directional alignment and printing of one dimensional nanomaterials using the combination of microstructure and hydrodynamic force

Yongwon Chung, Jungmok Seo, Sanggeun Lee, Hyukho Kwon, Taeyoon Lee

Research output: Contribution to journalArticle

Abstract

The printing of nanomaterials onto certain substrates is one of the key technologies behind high-speed interconnection and high-performance electronic devices. For the printing of next-generation electronic devices, a printing process which can be applied to a flexible substrate is needed. A printing process on a flexible substrate requires a lowtemperature, non-vacuum process due to the physical properties of the substrate. In this study, we obtained well-ordered Ag nanowires using modified gravure printing techniques. Ag nanowires are synthesized by a silver nitrate (AgNO3) reduction process in an ethylene glycol solution. Ag nanowires were well aligned by hydrodynamic force on a micro-engraved Si substrate. With the three-dimensional structure of polydimethylsiloxane (PDMS), which has an inverse morphology relative to the micro-engraved Si substrate, the sub-micron alignment of Ag nanowires is possible. This technique can solve the performance problems associated with conventional organic materials. Also, given that this technique enables large-area printing, it has great applicability not only as a next-generation printing technology but also in a range of other fields.

Original languageEnglish
Pages (from-to)586-591
Number of pages6
JournalKorean Journal of Materials Research
Volume23
Issue number10
DOIs
Publication statusPublished - 2013 Oct 1

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Nanostructured materials
Printing
Hydrodynamics
Microstructure
Nanowires
Substrates
Silver Nitrate
Ethylene Glycol
Polydimethylsiloxane
Ethylene glycol
Nitrates
Silver
Physical properties

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

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Directional alignment and printing of one dimensional nanomaterials using the combination of microstructure and hydrodynamic force. / Chung, Yongwon; Seo, Jungmok; Lee, Sanggeun; Kwon, Hyukho; Lee, Taeyoon.

In: Korean Journal of Materials Research, Vol. 23, No. 10, 01.10.2013, p. 586-591.

Research output: Contribution to journalArticle

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