XPS study of C-I covalent bond on Single-walled Carbon Nanotubes (SWNTs)

Hai Fang Wang, Xiao Yong Deng, Jing Wang, Xing Fa Gao, Geng Mei Xing, Zu Jin Shi, Zhen Nan Gu, Yuan Fang Liu, Yu Liang Zhao

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

A simple method was used to synthesize the iodinated multi hydroxylated SWNTs (SWNTols) by the reaction of SWNTols with NaI in the presence of strong oxidant N-chloro-p-toluenesulfonamide. The formation of the C-I covalent bond was verified by comparing the electron binding energies of iodine of I-SWNTols and the reference materials, which were measured with the synchrotron radiation X-ray photoemission spectroscopy (SRXPS) as well as the conventional X-ray photoelectron spectroscopy (XPS). This result will be useful in applications of SWNTs in the biomedical and pharmaceutical sciences.

Original languageEnglish (US)
Pages (from-to)673-675
Number of pages3
JournalActa Physico - Chimica Sinica
Volume20
Issue number7
StatePublished - Jul 1 2004

Keywords

  • C-I covalent bond
  • SWNTs
  • X-ray photoelectron spectroscopy (XPS)

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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