Ester-functionalized single-walled carbon nanotubes via addition of haloformates

被引：13

作者：

Bayazit, Mustafa K. ^{[1
]}

Coleman, Karl S. ^{[1
]}

机构：

[1] Univ Durham, Dept Chem, Durham DH1 3LE, England

来源：

JOURNAL OF MATERIALS SCIENCE | 2014年 / 49卷 / 14期

关键词：

RESONANCE RAMAN-SPECTROSCOPY; SIDEWALL FUNCTIONALIZATION; ELECTRICAL-PROPERTIES; REDUCTION; CHEMISTRY; CYCLOADDITION; REOXIDATION; STORAGE;

D O I：

10.1007/s10853-014-8227-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, a versatile method to introduce ester functional groups to the surface of single-walled carbon nanotubes (SWCNTs) was defined. Ester-modified SWCNTs were prepared via the direct reaction of haloformates with reduced SWCNTs [(nBu-SWCNT (n-) ) Li (n) (+) ] generated by n-butyl lithium. Ultraviolet-Visible-near infrared and Raman spectroscopy verified the evidence of covalent surface functionalization. Solubility of functionalized SWCNTs (f-SWCNTs) enhanced compared to purified SWCNTs. Gold tagging to positively charged SWCNTs displayed the presence and distribution of functional groups, confirming the conversion of esters into amides. f-SWCNTs were further characterized by thermo-gravimetric analysis coupled with mass spectrometry and fourier-transform infrared spectroscopy.

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页码：5190 / 5198

页数：9

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