Synthesis of polyphenylene molecular wires by surface-confined polymerization.

@article{LiptonDuffin2009SynthesisOP,
  title={Synthesis of polyphenylene molecular wires by surface-confined polymerization.},
  author={Joshua Lipton-Duffin and Oleksandr Ivasenko and Dmitrii F Perepichka and Federico Rosei},
  journal={Small},
  year={2009},
  volume={5 5},
  pages={
          592-7
        }
}
The surface-mediated synthesis of epitaxially aligned and separated polyphenylene lines on Cu(110) by exploiting the Ullmann dehalogenation reaction is reported. Scanning tunneling microscopy (STM) and X-ray photoelectron spectroscopy (XPS) show that the C-I bonds of 1,4-diiodobenzene and 1,3-diiodobenzene (C(6)H(4)I(2)) are catalytically cleaved when dosed onto the surface. Subsequent annealing transforms the copper-bound phenylene intermediates into covalent conjugated structures: linear… CONTINUE READING
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