Electron-donating behavior of few-layer graphene in covalent ensembles with electron-accepting phthalocyanines
Ragoussi ME, Katsukis G, Roth AM, Malig J, De La Torre G, Guldi DM, Torres T (2014)
Publication Type: Journal article, Original article
Publication year: 2014
Journal
Original Authors: Ragoussi M.-E., Katsukis G., Roth A., Malig J., De La Torre G., Guldi D.M., Torres T.
Publisher: American Chemical Society
Book Volume: 136
Pages Range: 4593-4598
Journal Issue: 12
DOI: 10.1021/ja411830x
Abstract
We describe herein the first example of highly exfoliated graphene covalently linked to electron accepting phthalocyanines. The functionalization of the nanocarbon surface with alkylsulfonyl phthalocyanines was attained by means of a "click" chemistry protocol. The new ensemble was fully characterized (thermogravimetric analysis, atomic force microscopy, transmission electron microscopy and Raman, as well as ground-state absorption) and was studied in terms of electron donor-acceptor interactions in the ground and in the excited state. In particular, a series of steady-state and time-resolved spectroscopy experiments demonstrated photoinduced electron transfer from the graphene to the electron-accepting phthalocyanines. This is the first example of an electron donor-acceptor nanoconjugate, that is, few-layer graphene/phthalocyanine, pinpointing the uncommon electron donating character of graphene. © 2014 American Chemical Society.
Authors with CRIS profile
Georgios Katsukis
Lehrstuhl für Physikalische Chemie I
Alexandra Marina Roth
Sonderforschungsbereich 953/3 Synthetische Kohlenstoffallotrope
Jenny Malig
Sonderforschungsbereich 953/3 Synthetische Kohlenstoffallotrope
Dirk Michael Guldi
Lehrstuhl für Physikalische Chemie I
Additional Organisation(s)
Involved external institutions
Spain (ES)How to cite
APA:
Ragoussi, M.-E., Katsukis, G., Roth, A.M., Malig, J., De La Torre, G., Guldi, D.M., & Torres, T. (2014). Electron-donating behavior of few-layer graphene in covalent ensembles with electron-accepting phthalocyanines. Journal of the American Chemical Society, 136(12), 4593-4598. https://dx.doi.org/10.1021/ja411830x
MLA:
Ragoussi, Maria-Eleni, et al. "Electron-donating behavior of few-layer graphene in covalent ensembles with electron-accepting phthalocyanines." Journal of the American Chemical Society 136.12 (2014): 4593-4598.
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