Organizing End-Site-Specific SWCNTs in Specific Loci Using DNA

Hao Pei, Ruojie Sha, Xiwei Wang, Ming Zheng, Chunhai Fan, James W. Canary, Nadrian C. Seeman

Research output: Contribution to journalArticle

Abstract

Single-wall carbon nanotubes (SWCNTs) are known to embody many desirable features for nanoelectronic and photonic applications, including excellent electronic and optical properties and mechanical robustness. To utilize these species in a bottom-up nanotechnological approach, it is necessary to be able to place them in precise absolute positions within a larger framework, without disturbing the conduction surface. Although it is well-known how to orient one or two nanotubes on a DNA origami, precise placement has eluded investigators previously. Here, we report a method of attaching a strand of DNA on the reactive end of a SWCNT, and then of using that DNA strand to place the nanotube at a specific site on a 2D DNA origami raft. We demonstrate that it is possible to place one or two nanotubes on such a DNA origami raft.

Original languageEnglish (US)
Pages (from-to)11923-11928
Number of pages6
JournalJournal of the American Chemical Society
Volume141
Issue number30
DOIs
StatePublished - Jul 31 2019

ASJC Scopus subject areas

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

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