Single polymer chains as molecular wires

The research team of Leonhard Grill at Freie Universität Berlin - in collaboration with the synthetic chemistry group of Stefan Hecht from Humboldt University of Berlin and the theoretical physics group of Christian Joachim of the CEMES-CNRS institute in Toulouse - has succeeded in lifting single polymers from a gold surface, similar to chains, and in measuring their electrical and mechanical properties during this process. The scientists place one end of a polymer strand in contact with a metallic tip, thereby inducing an electrical current through single molecular wires over extraordinarily long distances during the pulling process. The results were published in the most recent issue of Science.

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<p><a href="http://www.physorg.com/news154965885.html">Single polymer chains as molecular wires</a></p> <p>The research team of Leonhard Grill at Freie Universität Berlin - in collaboration with the synthetic chemistry group of Stefan Hecht from Humboldt University of Berlin and the theoretical physics group of Christian Joachim of the CEMES-CNRS institute in Toulouse - has succeeded in lifting single polymers from a gold surface, similar to chains, and in measuring their electrical and mechanical properties during this process. The scientists place one end of a polymer strand in contact with a metallic tip, thereby inducing an electrical current through single molecular wires over extraordinarily long distances during the pulling process. The results were published in the most recent issue of <i>Science</i>.</p>