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Supramolecular One-Dimensional n/p-Nanofibers

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Insuasty, Alberto and Atienza, Carmen and López, Juan Luis and Marco-Martínez, Juan and Casado, Santiago and Saha, Avishek and Guldi, Dirk M. and Martín, Nazario (2015) Supramolecular One-Dimensional n/p-Nanofibers. Scientific Reports, 5 (14154). ISSN 2045-2322

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Official URL: http://www.nature.com/articles/srep14154#introduction



Abstract

Currently, there is a broad interest in the control over creating ordered electroactive nanostructures, in which electron donors and acceptors are organized at similar length scales. In this article, a simple and efficient procedure is reported en-route towards the construction of 1D arrays of crystalline pristine C60 and phenyl-C61-butyric acid methyl ester (PCBM) coated onto supramolecular fibers based on exTTFpentapeptides. The resulting n/p-nanohybrids have been fully characterized by a variety of spectroscopic (FTIR, UV-Vis, circular dichroism, Raman and transient absorption), microscopic (AFM, TEM, and SEM), and powder diffraction (X-ray) techniques. Our experimental findings document the tendency of electroactive exTTF-fibers to induce the crystallization of C60 and PCBM, on one hand, and to afford 1D n/p-nanohybrids, on the other hand. Furthermore, photogenerated radical ion pairs, formed upon visible light irradiation of the n/p-nanohybrids, feature lifetimes on the range of 0.9-1.2 ns.


Item Type:Article
Subjects:Sciences > Chemistry > Chemistry, Organic
ID Code:36185
Deposited On:07 Mar 2016 12:47
Last Modified:07 Mar 2016 13:27

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