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Heptamethine Cyanine Dyes in the Design of Photoactive Carbon Nanomaterials.


ABSTRACT: Near-infrared (NIR) absorbing nanomaterials, built from anionic heptamethine cyanine dyes and single-walled carbon nanotubes or few-layer graphene, are presented. The covalent linkage, using 1,3-dipolar cycloaddition reactions, results in nanoconjugates that synchronize the properties of both materials, as demonstrated by an in-depth characterization study carried out by transmission electron microscopy, atomic force microscopy, thermogravimetric analysis, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. UV-vis-NIR and Raman spectroscopies further confirmed the unique electronic structure of the novel photoactive nanomaterials.

SUBMITTER: Rodriguez-Perez L 

PROVIDER: S-EPMC5748274 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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