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Sonication-assisted dispersion of carbon nanotubes in aqueous solutions of the anionic surfactant SDBS: The role of sonication energy
Yang Kun1,2; Yi ZiLi1,2; Jing QingFeng1,2; Yue RenLiang3; Jiang Wei4; Lin DaoHui1,2
2013-06-01
Source PublicationCHINESE SCIENCE BULLETIN
Volume58Issue:17Pages:2082-2090
AbstractSonication is a powerful technique to promote the dispersion of carbon nanotubes (CNTs) and enhance their solubility; this is necessary for CNT applications, especially in the biochemical and biomedical fields. In this study, batch experiments were conducted to evaluate the role of sonication energy on the dispersion of CNTs in the presence of a widely used anionic surfactant, sodium dodecylbenzene sulfonate (SDBS). It was observed that the concentration of dispersed CNTs in the SDBS solution depended on the sonication energy, but not the sonication time or output power of the sonicator alone. The amount of dispersed CNTs was positively correlated with the concentrations of SDBS and CNTs, and the length of the CNTs. The promotion of oxygen-containing functional groups on the dispersed CNTs was observed at relatively low sonication energies. The optimal energy, i.e. the minimum energy supplied by sonication to achieve a saturated suspension of dispersed CNTs in the SDBS solution, was CNT diameter-dependent, because of the larger vdW forces between tubes of smaller diameter. An exponential decay curve was constructed for the optimal energy values as a function of the outer CNT diameter, to assist in determining the energy needed to disperse CNTs.
KeywordCarbon Nanotubes Sonication Energy Dispersion Surfactant
SubtypeArticle
WOS HeadingsScience & Technology
Indexed BySCI
Language英语
WOS KeywordADSORPTION ; SUSPENSIONS ; ULTRASONICATION ; STABILITY ; BEHAVIOR ; WATER
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000321061800014
Citation statistics
Cited Times:53[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13359
Collection研究所(批量导入)
Affiliation1.Zhejiang Univ, Dept Environm Sci, Hangzhou 310058, Zhejiang, Peoples R China
2.Zhejiang Prov Key Lab Organ Pollut Proc & Control, Hangzhou 310058, Zhejiang, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Shandong Univ, Environm Res Inst, Jinan 250100, Peoples R China
Recommended Citation
GB/T 7714
Yang Kun,Yi ZiLi,Jing QingFeng,et al. Sonication-assisted dispersion of carbon nanotubes in aqueous solutions of the anionic surfactant SDBS: The role of sonication energy[J]. CHINESE SCIENCE BULLETIN,2013,58(17):2082-2090.
APA Yang Kun,Yi ZiLi,Jing QingFeng,Yue RenLiang,Jiang Wei,&Lin DaoHui.(2013).Sonication-assisted dispersion of carbon nanotubes in aqueous solutions of the anionic surfactant SDBS: The role of sonication energy.CHINESE SCIENCE BULLETIN,58(17),2082-2090.
MLA Yang Kun,et al."Sonication-assisted dispersion of carbon nanotubes in aqueous solutions of the anionic surfactant SDBS: The role of sonication energy".CHINESE SCIENCE BULLETIN 58.17(2013):2082-2090.
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