Drawing circuits with carbon nanotubes

Scratch-induced graphoepitaxial growth of carbon nanotubes on amorphous silicon oxide substrates

Won Jin Choi, Yoon Jang Chung, Yun Ho Kim, Jeongho Han, Young-Kook Lee, Ki Jeong Kong, Hyunju Chang, Young Kuk Lee, Byoung Gak Kim, Jeong O. Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Controlling the orientations of nanomaterials on arbitrary substrates is crucial for the development of practical applications based on such materials. The aligned epitaxial growth of single-walled carbon nanotubes (SWNTs) on specific crystallographic planes in single crystalline sapphire or quartz has been demonstrated; however, these substrates are unsuitable for large scale electronic device applications and tend to be quite expensive. Here, we report a scalable method based on graphoepitaxy for the aligned growth of SWNTs on conventional SiO 2 /Si substrates. The â €œ scratchesâ € generated by polishing were found to feature altered atomic organizations that are similar to the atomic alignments found in vicinal crystalline substrates. The linear and circular scratch lines could promote the oriented growth of SWNTs through the chemical interactions between the C atoms in SWNT and the Si adatoms in the scratches. The method presented has the potential to be used to prepare complex geometrical patterns of SWNTs by â € drawingâ €™ circuits using SWNTs without the need for state-of-the-art equipment or complicated lithographic processes.

Original languageEnglish
Article number5289
JournalScientific reports
Volume4
DOIs
Publication statusPublished - 2014 Jun 13

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Carbon Nanotubes
Silicon oxides
Single-walled carbon nanotubes (SWCN)
Amorphous silicon
Networks (circuits)
Substrates
Electronic scales
Crystalline materials
Quartz
Adatoms
Aluminum Oxide
Polishing
Epitaxial growth
Nanostructured materials
Atoms

All Science Journal Classification (ASJC) codes

  • General

Cite this

Choi, Won Jin ; Chung, Yoon Jang ; Kim, Yun Ho ; Han, Jeongho ; Lee, Young-Kook ; Kong, Ki Jeong ; Chang, Hyunju ; Lee, Young Kuk ; Kim, Byoung Gak ; Lee, Jeong O. / Drawing circuits with carbon nanotubes : Scratch-induced graphoepitaxial growth of carbon nanotubes on amorphous silicon oxide substrates. In: Scientific reports. 2014 ; Vol. 4.
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Drawing circuits with carbon nanotubes : Scratch-induced graphoepitaxial growth of carbon nanotubes on amorphous silicon oxide substrates. / Choi, Won Jin; Chung, Yoon Jang; Kim, Yun Ho; Han, Jeongho; Lee, Young-Kook; Kong, Ki Jeong; Chang, Hyunju; Lee, Young Kuk; Kim, Byoung Gak; Lee, Jeong O.

In: Scientific reports, Vol. 4, 5289, 13.06.2014.

Research output: Contribution to journalArticle

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