期刊
NATURE CHEMISTRY
卷 1, 期 3, 页码 243-249出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEM.214
关键词
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资金
- Deutsche Forschungsgemeinschaft
- Cluster of Excellence 'Engineering of Advanced Materials'
- Fonds der Chemischen Industrie
- Office of Basic Energy Sciences of the US
- University of Trieste
- Giovani Ricercatori Program
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali
- Ministero dell'Istruzione
- dell'Universita e della Ricerca
- Freiburg Institute for Advanced Studies
Single-wall carbon nanotubes (SWNTs) are emerging as materials with much potential in several disciplines, in particular in electronics and photovoltaics. The combination of SWNTs with electron donors or acceptors generates active materials, which can produce electrical energy when irradiated. However, SWNTs are very elusive species when characterization of their metastable states is required. This problem mainly arises because of the polydispersive nature of SWNT samples and the inevitable presence of SWNTs in bundles of different sizes. Here, we report the complete and thorough characterization of an SWNT radical ion-pair state induced by complexation with a perylene dye, which combines excellent electron-accepting and -conducting features with a five-fused ring pi-system. At the same time, the perylene dye enables the dispersion of SWNTs by means of pi-pi interactions, which gives individual SWNTs in solution. This work clears a path towards electronic and optoelectronic devices in which regulated electrical transport properties are important.
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