Science Links Japan | Carbon-alloying of the rear surfaces of nanotubes by direct fluorination.

Carbon-alloying of the rear surfaces of nanotubes by direct fluorination.

Accession number;99A0711845

Title;Carbon-alloying of the rear surfaces of nanotubes by direct fluorination.

Author; WATANABE YOSHI (Shinshu Univ., Text. Sci. and Technol.) INAHARA JUN'ICHI (Shinshu Univ., Text. Sci. and Technol.) HATTORI YOSHIYUKI (Shinshu Univ., Text. Sci. and Technol.) KAWASAKI SHINJI (Shinshu Univ., Text. Sci. and Technol.) OKINO FUJIO (Shinshu Univ., Text. Sci. and Technol.) TOHARA HIDEKAZU (Shinshu Univ., Text. Sci. and Technol.) PRADHAN B K (Shinshu Univ., Text. Sci. and Technol.) KYOTANI TAKASHI (Shinshu Univ., Text. Sci. and Technol.) TOMITA AKIRA (Shinshu Univ., Text. Sci. and Technol.)

Journal Title;Fusso Kagaku Toronkai Koen Yoshishu

Journal Code:F0135B

ISSN:

VOL.22nd;NO.;PAGE.70-71(1998)

Figure&Table&Reference;

Pub. Country;Japan

Language;Japanese

Abstract;Carbon nanotubes prepared by pyrolytic deposition onto anodic aluminum oxide films were fluorinated in the temperature range from 50 to 200 .DEG.C.. XPS was used to investigate changes in the chemical nature of their surface. Fluorine atoms are covalently bonded to carbon atoms on the internal surfaces of the tubes. The amount of attached fluorine on the tubes are fully covered with fluorine by the fluorination at 200 .DEG.C.. The Raman spectra of the fluorinated tubes show a pair of bands at 1330 and 1590 cm-1 peculiar to disordered sp2-carbons. The TEM bright-field images of the products were similar to those of pristine tubes. These results indicate that C-F bonds are formed on the surfaces of the tubes, carbon-alloying via fluorination, while the external surfaces as well as the layers between the internal and external surfaces retain their sp2-hybridization. (author abst.)

Related Articles;