Tailoring the electronic structure of double-walled carbon nanotubes by encapsulating single-stranded DNA

Yongfeng Li, Toshiro Kaneko, Rikizo Hatakeyama

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The electrical transport properties of double-walled carbon nanotubes (DWNTs) change dramatically when different single-stranded DNA (ssDNA) molecules are encapsulated, depending on the type of DNA base. Cytosine-containing ssDNA@DWNTs exhibit p-type transport behavior, in contrast to the n-type characteristic of guanine-containing ssDNA@DWNTs, due to the charge-transfer effect between ssDNA and DWNTs.

Original languageEnglish
Pages (from-to)729-732
Number of pages4
JournalSmall
Volume6
Issue number6
DOIs
Publication statusPublished - 2010 Mar 22

Keywords

  • Carbon nanotubes
  • DNA
  • Electron transfer
  • Electronic structure
  • Encapsulation

ASJC Scopus subject areas

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)

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