Molecular sensing using armchair graphene nanoribbon
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Updated: Apr 25, 2026
Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes
Published on: January 10, 2017
Mohammad Reza Rezapour1, Arunkumar Chitteth Rajan, Kwang S Kim
1Department of Physics, Pohang University of Science and Technology, Pohang, 790-784, Korea; Department of Chemistry, School of Natural Science, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 689-798, Korea.
Abstract:
In molecular electronics, the conductance strongly depends on the frontier energy levels and spatial orientations of molecules. Utilizing these features, we investigate the electron transport characteristics of conjugated molecules attached on an armchair graphene nanoribbon. The resulting sharp reduction in the transmission which represents molecular fingerprints and the change of the transmission depending on the molecular orientation, are examined in accordance with a unified picture of the Fano-Anderson model. These characteristics, being unique for each molecule, would be applicable to molecular recognition and configurational analysis.
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