Nanometric electrical wires will soon be here

Molecular-size electrical wires will soon be a reality. Researchers from the Institut Charles-Sadron (CNRS, Strasbourg) successfully coated polymer semiconductor P3BT, or poly(3-butylthiophene), fibers with insulating nanotubes by two-dimensional self-assembly of liquid esters using a heterogeneous germination process.

Researchers at INAC used atomic-force microscopy and
transition-voltage spectroscopy to characterize the electrical wire obtained. They demonstrated that the insulating sheath completely coats the conductive fiber over a length of at least five microns.

The insulated electrical wires, with a gauge of just 10 nm, will create new possibilities in organic electronics for use on flexible materials.

Contact: jerome.faure-vincent@cea.fr

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