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ACS Appl Mater Interfaces ; 5(16): 7726-30, 2013 Aug 28.
Artigo em Inglês | MEDLINE | ID: mdl-23947825

RESUMO

Chemical post-treatment of the carbon nanotube fiber (CNTF) was carried out via intramolecular cross-dehydrogenative coupling (ICDC) with FeCl3 at room temperature. The Raman intensity ratio of the G band to the D band (IG/ID ratio) of CNT fiber increased from 2.3 to 4.6 after ICDC reaction. From the XPS measurements, the AC═C/AC-C ratio of the CNT fiber increased from 3.6 to 4.8. It is of keen interest that both the electrical conductivity and tensile strength of CNT yarn improved to 3.5 × 10(3) S/cm and 420 MPa, which is 180 and 200% higher than that of neat CNT yarn.


Assuntos
Carbono/química , Condutividade Elétrica , Nanotubos de Carbono/química , Fibra de Carbono , Análise Espectral Raman
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