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Electroactive carbon nanoforms: a comparative study via sequential arylation and click chemistry reactions

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Mateos-Gil, Jaime and Rodríguez-Pérez, Laura and Moreno Oliva, María and Katsukis, Georgios and Romero-Nieto, Carlos and Herranz, M.Angeles and Guldi, Dirk M. and Martín, Nazario (2015) Electroactive carbon nanoforms: a comparative study via sequential arylation and click chemistry reactions. Nanoscale, 3 . pp. 1193-1200. ISSN 2040-3372(Online), 2040-3364(print)

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Official URL: http://pubs.rsc.org/en/content/articlelanding/2015/nr/c4nr04365k#!divAbstract



Abstract

The reactivity of several carbon nanoforms (CNFs), single-walled carbon nanotubes (SWCNTs), multi-walled carbon nanotubes (MWCNTs) and graphene, has been investigated through a combination of arylation and click chemistry CuI-mediated azide–alkyne cycloaddition (CuAAC) reactions. The approach is based on the incorporation of electroactive π-extended tetrathiafulvalene (exTTF) units into the triazole linkers to modulate the electronic properties of the obtained conjugates. The introduction of strain, by bending the planar graphene sheet into a 3D carbon framework, is responsible for the singular reactivity observed in carbon nanotubes. The formed nanoconjugates were fully characterized by analytical, spectroscopic, and microscopic techniques (TGA, FTIR, Raman, UV-Vis-NIR, cyclic voltammetry, TEM and XPS). In the case of SWCNT conjugates, where the functionalization degree is higher, a series of steady-state and time resolved spectroscopy experiments revealed a photoinduced electron transfer from the exTTF unit to the electron-accepting SWCNT.


Item Type:Article
Uncontrolled Keywords:Aromatic compounds; Cyclic voltammetry; Electronic properties; Fourier transform infrared spectroscopy; Graphene; Iodine; Laser spectroscopy; Multiwalled carbon nanotubes (MWCN); Nanoconjugates; Synthesis (chemical); Yarn
Subjects:Sciences > Chemistry > Chemistry, Organic
ID Code:36034
Deposited On:01 Mar 2016 11:22
Last Modified:03 Mar 2016 11:24

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