The organometallic Ru molecular wires 1-3 Ru(PR3)4(C[triple bond, length as m-dash]CC5H5N)2 [(PR3)4 = (dppe)2 (1), [P(OMe3)]4 (2), and (dmpe)2 (3)] show significantly higher conductance compared to their organic counterpart, 1,4-dipyridyl butadiyne (4). CV and UV-Vis measurements and DFT calculations suggest that the high-lying HOMOs of the Ru wires are the key factor for the high conductance.
Here, we report multinuclear organometallic molecular wires having the (2,5-diethynylthiophene)diyl-Ru(dppe)2 repeating units. Despite the molecular dimension of 2 – 4 nm the multinuclear wires show high conductance (up to 10–2...
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