Enhancing One-Dimensional Charge Transport through Intermolecular π-Electron Delocalization: Conductivity Improvement for Organic Nanobelts
Journal of the American Chemical Society2007Vol. 129(20), pp. 6354–6355
Citations Over TimeTop 1% of 2007 papers
Abstract
Effective π-electron delocalization within a PTCDI nanobelt, for which the one-dimensional molecular arrangement is dominated by the cofacial π−π stacking, has been characterized by both electron spin resonance (ESR) spectrometry and current−voltage (I−V) measurement. The long-range π-electron delocalization enables dramatic enhancement of electrical conductivity of the nanobelt through external-charge doping. When immersed in saturated hydrazine vapor, about 3 orders of magnitude increase in conductivity was achieved for the PTCDI nanobelt, implying potential application of the nanomaterials in electrical sensing of reducing gaseous species such as organic amines.
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