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Kim, Kwanpyo
Experimental Nanoscale Physics Lab
Research Interests
  • Two-dimensional (2D) materials, graphene, NEMS, electron microscopy

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Direct growth of aligned graphitic nanoribbons from a DNA template by chemical vapour deposition

Cited 9 times inthomson ciCited 6 times inthomson ci
Title
Direct growth of aligned graphitic nanoribbons from a DNA template by chemical vapour deposition
Author
Sokolov, Anatoliy N.Yap, Fung LingLiu, NanKim, KwanpyoCi, LijieJohnson, Olasupo B.Wang, HuiliangVosgueritchian, MichaelKoh, Ai LeenChen, JihuaPark, JinseongBao, Zhenan
Keywords
GRAPHENE NANORIBBONS; AMORPHOUS-CARBON; RAMAN-SPECTROSCOPY; FILMS; FABRICATION; MOLECULES; ARRAYS; NANOLITHOGRAPHY; CONDUCTIVITY; ADSORPTION
Issue Date
2013-08
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.4, no., pp. -
Abstract
Graphene, laterally confined within narrow ribbons, exhibits a bandgap and is envisioned as a next-generation material for high-performance electronics. To take advantage of this phenomenon, there is a critical need to develop methodologies that result in graphene ribbons <10 nm in width. Here we report the use of metal salts infused within stretched DNA as catalysts to grow nanoscopic graphitic nanoribbons. The nanoribbons are termed graphitic as they have been determined to consist of regions of sp(2) and sp(3) character. The nanoscopic graphitic nanoribbons are micrometres in length, <10 nm in width, and take on the shape of the DNA template. The DNA strand is converted to a graphitic nanoribbon by utilizing chemical vapour deposition conditions. Depending on the growth conditions, metallic or semiconducting graphitic nanoribbons are formed. Improvements in the growth method have potential to lead to bottom-up synthesis of pristine single-layer graphene nanoribbons.
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DOI
10.1038/ncomms3402
ISSN
2041-1723
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PHY_Journal Papers
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