Surface Chemical Modification of Multiwalled Carbon Nanotubes by a Wet‐Mechanochemical Reaction | Zendy

Lifei Chen | Zendy; Huaqing Xie | Zendy; Yang Li | Zendy; Wei Yu | Zendy

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Surface Chemical Modification of Multiwalled Carbon Nanotubes by a Wet‐Mechanochemical Reaction

Author(s) -

Lifei Chen,

Huaqing Xie,

Yang Li,

Wei Yu

Publication year - 2008

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2008/783981

Subject(s) - materials science , surface modification , carbon nanotube , potassium hydroxide , zeta potential , fourier transform infrared spectroscopy , dispersion (optics) , chemical engineering , chemical modification , nanotechnology , nanoparticle , polymer chemistry , physics , optics , engineering

A wet-mechanochemical reaction for surface modification of multiwalled carbon nanotubes (CNTs) has been developed. In the treatment, CNTs reacted with potassium hydroxide in alcohol solvent at room temperature under mechanical milling. The results from Fourier transmission infrared spectroscopy demonstrate that the nonreactive surfaces of CNTs have been modified successfully by multiple hydroxyl groups. Functionalized carbon nanotubes exhibit higher zeta potential values indicating their high dispersibility in polar solvents. XRD studies corroborate that the surface functionalization does not affect the basic crystal domain size of CNTs. TEM observations reveal that CNTs have been cut into shorter ones by the milling. Shortened CNTs with functionalized surfaces show good dispersion properties

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