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Citation: Wang Hai-Fang, Deng Xiao-Yong, Wang Jing, Gao Xing-Fa, Xing Geng-Mei, Shi Zu-Jin, Gu Zhen-Nan, Liu Yuan-Fang, Zhao Yu-Liang. XPS Study of C－I Covalent Bond on Single-walled Carbon Nanotubes (SWNTs)[J]. Acta Physico-Chimica Sinica, ;2004, 20(07): 673-675. doi: 10.3866/PKU.WHXB20040701 shu

XPS Study of C－I Covalent Bond on Single-walled Carbon Nanotubes (SWNTs)

1.
College of Chemistry and Molecular Engineering, Peking University, Beijing　100871;Institute of High Energy Physics, Chinese Academy of Sciences, Beijing　100039

Received Date: 18 March 2004
Available Online: 15 July 2004

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