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Cited by 432

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Functionalization of Single-Walled Carbon Nanotubes with Well-Defined Polystyrene by “Click” Coupling

Li, Huaming, Cheng, Fuyong, Duft, Andy M., Adronov, Alex·2005·Journal of the American Chemical Society

Abstract

Covalent functionalization of alkyne-decorated SWNTs with well-defined, azide-terminated polystyrene polymers was accomplished by the Cu(I)-catalyzed [3 + 2] Huisgen cycloaddition. This reaction was found to be extremely efficient in producing organosoluble polymer-nanotube conjugates, even at relatively low reaction temperatures (60 degrees C) and short reaction times (24 h). The reaction was found to be most effective when a CuI catalyst was employed in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene as an additive. IR spectroscopy was utilized to follow the introduction and consumption of alkyne groups on the SWNTs, and Raman spectroscopy evidenced the conversion of a high proportion of sp(2) carbons to sp(3) hybridization during alkyne introduction. Thermogravimetric analysis indicated that the polymer-functionalized SWNTs consisted of 45% polymer, amounting to approximately one polymer chain for every 200-700 carbons of the nanotubes, depending on polymer molecular weight. Transmission electron microscopy and atomic force microscopy were utilized to image polymer-functionalized SWNTs, showing relatively uniform polymer coatings present on the surface of individual, debundled nanotubes.

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Metadata

Authors
Li, H., Cheng, F., Duft, A. M., & Adronov, A.
Venue
Journal of the American Chemical Society
Published
2005-09-23
Volume
127
Issue
41
Pages
14518-14524
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2056947115
Cited by
432
References
3
FWCI
16.73
Type
journal article
Language
en
Open access
closed

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