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Issue 3, 2019
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Nanographene favors electronic interactions with an electron acceptor rather than an electron donor in a planar fused push–pull conjugate

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Abstract

A combination of a preexfoliated nanographene (NG) dispersion and fused electron donor–acceptor tetrathiafulvalene–perylenediimide (TTF–PDI) results in a noncovalent functionalization of NG. Such novel types of nanohybrids were characterized by complementary spectroscopic and microscopic techniques. The design strategy of the chromophoric and electroactive molecular conjugate renders a large and planar π-extended system with a distinct localization of electron-rich and electron-poor parts at either end of the molecular conjugate. Within the in situ formed nanohybrid, the conjugate was found to couple electronically with NG preferentially through the electron accepting PDI rather than the electron donating TTF and to form the one-electron reduced form of PDI, which corresponds to p-doping of graphene.

Graphical abstract: Nanographene favors electronic interactions with an electron acceptor rather than an electron donor in a planar fused push–pull conjugate

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Publication details

The article was received on 28 Aug 2018, accepted on 18 Dec 2018 and first published on 24 Dec 2018


Article type: Paper
DOI: 10.1039/C8NR06961A
Citation: Nanoscale, 2019,11, 1437-1441
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    Nanographene favors electronic interactions with an electron acceptor rather than an electron donor in a planar fused push–pull conjugate

    M. Volland, P. Zhou, L. Wibmer, R. Häner, S. Decurtins, S. Liu and D. M. Guldi, Nanoscale, 2019, 11, 1437
    DOI: 10.1039/C8NR06961A

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