Formation of nanostructured polymer filaments in nanochannels

Chih Yi Peng, Wook Jun Nam, Stephen J. Fonash, Bin Gu, Ayusman Sen, Kenneth Strawhecker, Sudarshan Natarajan, Henry C. Foley, Seong Kim

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We describe the use of hard etching methods to create nanodimensional channels and their use as templates for the formation of polymer filament arrays with precise dimensional and orientational control in a single integrated step. The procedure is general as illustrated by the radical, coordination, and photochemical polymerizations that were performed in these nanochannels. The nanochannel templates (20 nm high, 20-200 nm wide, and 100 μm long) were fabricated by the combined use of electron-beam lithography and a sacrificial metal line etching technique. Radical polymerization of acrylates, metal-catalyzed polymerization of norbornene, and photochemical polymerization of 1,4-diiodothiophene were carried out in these nanochannels. The polymers grown follow the dimensions and orientation of the channels, and the polymer filaments can be released without breaking. The approach opens up the possibility of just-in-place manufacturing and processing of patterns and devices from nanostructured polymers using well-established polymer chemistry.

Original languageEnglish (US)
Pages (from-to)9298-9299
Number of pages2
JournalJournal of the American Chemical Society
Volume125
Issue number31
DOIs
StatePublished - Aug 6 2003

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Polymers
Polymerization
Etching
Metals
Acrylates
Electron beam lithography
Free radical polymerization
Electrons
Equipment and Supplies
Processing

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Peng, Chih Yi ; Nam, Wook Jun ; Fonash, Stephen J. ; Gu, Bin ; Sen, Ayusman ; Strawhecker, Kenneth ; Natarajan, Sudarshan ; Foley, Henry C. ; Kim, Seong. / Formation of nanostructured polymer filaments in nanochannels. In: Journal of the American Chemical Society. 2003 ; Vol. 125, No. 31. pp. 9298-9299.
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abstract = "We describe the use of hard etching methods to create nanodimensional channels and their use as templates for the formation of polymer filament arrays with precise dimensional and orientational control in a single integrated step. The procedure is general as illustrated by the radical, coordination, and photochemical polymerizations that were performed in these nanochannels. The nanochannel templates (20 nm high, 20-200 nm wide, and 100 μm long) were fabricated by the combined use of electron-beam lithography and a sacrificial metal line etching technique. Radical polymerization of acrylates, metal-catalyzed polymerization of norbornene, and photochemical polymerization of 1,4-diiodothiophene were carried out in these nanochannels. The polymers grown follow the dimensions and orientation of the channels, and the polymer filaments can be released without breaking. The approach opens up the possibility of just-in-place manufacturing and processing of patterns and devices from nanostructured polymers using well-established polymer chemistry.",
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Peng, CY, Nam, WJ, Fonash, SJ, Gu, B, Sen, A, Strawhecker, K, Natarajan, S, Foley, HC & Kim, S 2003, 'Formation of nanostructured polymer filaments in nanochannels', Journal of the American Chemical Society, vol. 125, no. 31, pp. 9298-9299. https://doi.org/10.1021/ja0345423

Formation of nanostructured polymer filaments in nanochannels. / Peng, Chih Yi; Nam, Wook Jun; Fonash, Stephen J.; Gu, Bin; Sen, Ayusman; Strawhecker, Kenneth; Natarajan, Sudarshan; Foley, Henry C.; Kim, Seong.

In: Journal of the American Chemical Society, Vol. 125, No. 31, 06.08.2003, p. 9298-9299.

Research output: Contribution to journalArticle

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