Contact: Joost Bruysters
Eindhoven University of Technology
Caption: A conducting-probe atomic force microscope (CP-AFM) measures the electrical conduction of aromatic molecules, DXP, aligned within the channels of a zeolite crystal on top of a conducting substrate. The channels have a maximum diameter of 1.26 nanometer and an entrance diameter of only 0.71 nanometer; the DXP molecules have the same width as the channel entrances and a length of 2.2 nanometers. Therefore, the entrapped molecules are all aligned along the zeolite channel axis, forming perfectly one-dimensional molecular wires. The zoom-in shows a DXP molecule confined in a zeolite channel. The IUPAC chemical name of DXP is N,N'-bis(2,6-dimethylphenyl)-perylene-3,4,9,10-tetracarboxylic diimide.
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