Grafting polymer coatings onto the surfaces of carbon nanotube forests and yarns via a photon irradiation process

Fei Deng, N. Rujisamphan, Chang Liu, Yoshinari Maezono, Stephen C. Hawkins, Chi P. Huynh, S. Ismat Shah, Chaoying Ni

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Abstract

Surface activation of carbon nanotubes (CNTs) as forests and yarns, depolytmerization of candidate polymers, and uniform deposition and re-polymerization onto the activated CNTs are simultaneously achieved by exposing CNTs and polymer targets to light with a narrow wavelength distribution from a vacuum ultraviolet lamp. Both polystyrene and poly (methyl methacrylate) are deposited onto the surface of CNTs in the CNT-forest and yarn in a N 2 environment for 30 min during which the polymer uniformly coats the carbon nanotubes. X-ray photoelectron spectroscopy data reveal that covalent bonding occurs at the CNT-polymer interface.

Original languageEnglish
Article number213109
JournalApplied Physics Letters
Volume100
Issue number21
DOIs
Publication statusPublished - 21 May 2012
Externally publishedYes

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