Fenton试剂对碳纳米管表面改性研究

人工晶体学报 ›› 2009, Vol. 38 ›› Issue (6): 1481-1484.

Fenton试剂对碳纳米管表面改性研究

阴强;李爱菊;孙康宁;石俊;任强

东华理工大学化学生物与材料科学学院,抚州,344000;山东大学材料液态结构及其遗传性教育部重点实验室,工程陶瓷山东省重点实验室,济南,250061;山东大学材料液态结构及其遗传性教育部重点实验室,工程陶瓷山东省重点实验室,济南,250061;东华理工大学化学生物与材料科学学院,抚州,344000

出版日期:2009-12-15 发布日期:2021-01-20
基金资助:
国家自然科学基金(50672051)

Study on the Surface Modification of Carbon Nanotubes Using Fenton Reagents

YIN Qiang;LI Ai-ju;SUN Kang-ning;SHI Jun;REN Qiang

Online:2009-12-15 Published:2021-01-20

摘要/Abstract

摘要： 利用Fenton试剂对碳纳米管进行表面改性,研究了Fenton, Fenton/超声波(US)以及Fenton/紫外线(UV)对碳纳米管表面的影响,并探讨了Fenton试剂与碳纳米管的作用机理.用热重分析(TGA)来观察纯化前后碳纳米管的纯度,用红外光谱(FTIR)分析碳纳米管表面官能团的变化,用透射电镜(TEM)对碳纳米管微观结构进行分析.结果表明:Fenton/UV反应能够在碳纳米管表面引入大量羟基以及少量的羧基,且不会较大程度地损坏碳纳米管的结构;机理分析表明, Fenton试剂主要是利用Fenton反应产生的羟基自由基(HO·)对碳纳米管的不饱和键进行羟基化加成.

关键词: 碳纳米管;表面改性;Fenton试剂;羟基自由基

Abstract: Carbon nanotubes (CNTs) were modificated using Fenton reagents. The effects of different Fenton reaction(Fenton,Fenton/US and Fenton/UV) on the surface of CNTs were studied. The reaction mechanism between Fenton regeant and carbon nanotubes was also investigated. The purity of CNTs was investigated by TGA. The functional groups on the surface of CNTs were investigated by FTIR spectra, and the microstructure of CNTs was investigated by transmission electron microscopy (TEM). The results show that Fenton/UV can introduce a great deal of hydroxyl groups onto the surface of carbon nanotubes, and can not damage it badly;the reaction mechanism between Fenton and carbon nanotubes is that hydroxyl radical (HO· ) generated in the reaction can produce hydroxylation with the undersaturation double bond on the surface of carbon nanotubes.

Key words: Carbon nanotubes (CNTs) were modificated using Fenton reagents. The effects of different Fenton reaction(Fenton,Fenton/US and Fenton/UV) on the surface of CNTs were studied. The reaction mechanism between Fenton regeant and carbon nanotubes was also investigated. The purity of CNTs was investigated by TGA. The functional groups on the surface of CNTs were investigated by FTIR spectra, and the microstructure of CNTs was investigated by transmission electron microscopy (TEM). The results show that Fenton/UV can introduce a great deal of hydroxyl groups onto the surface of carbon nanotubes, and can not damage it badly;the reaction mechanism between Fenton and carbon nanotubes is that hydroxyl radical (HO· ) generated in the reaction can produce hydroxylation with the undersaturation double bond on the surface of carbon nanotubes.

中图分类号:

O484

阴强;李爱菊;孙康宁;石俊;任强. Fenton试剂对碳纳米管表面改性研究[J]. 人工晶体学报, 2009, 38(6): 1481-1484.

YIN Qiang;LI Ai-ju;SUN Kang-ning;SHI Jun;REN Qiang. Study on the Surface Modification of Carbon Nanotubes Using Fenton Reagents[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2009, 38(6): 1481-1484.

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