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Showing 1–9 of 9 results
Advanced filters: Author: Roland Widmer Clear advanced filters

  • Polyacetylene is an ideal system to probe to gain a better understanding of the nature of charge transport in conducting polymers. Now, individual atomically precise polyacetylene chains have been synthesized on a copper surface and characterized using a range of techniques, revealing a doping-induced semiconductor-to-metal transition.

    • Shiyong Wang
    • Qiang Sun
    • Wei Xu
    Research
    Nature Chemistry
    Volume: 11, P: 924-930

  • The synthesis of large acenes via traditional solution-chemistry routes is hindered by their poor solubility and high reactivity under ambient conditions. Here, the authors demonstrate the on-surface formation of large acenes, via visible-light-induced photo-dissociation of α-bisdiketone molecular precursors on an Au(111) substrate.

    • José I. Urgel
    • Shantanu Mishra
    • Roman Fasel
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Mechanistic insight into enantioselective reactions at intrinsically chiral surfaces can be challenging to obtain. Here the catalytic activity of Pd1- and Pd3-terminated PdGa{111} surfaces is shown to differ substantially, with Pd1-terminated surfaces promoting on-surface azide– alkyne cycloadditions enantioand regioselectively.

    • Samuel Stolz
    • Michael Bauer
    • Roland Widmer
    ResearchOpen Access
    Communications Chemistry
    Volume: 4, P: 1-7

  • The incommensurate spin density wave of chromium is a classic example of itinerant antiferromagnetism induced by Fermi surface nesting. Here, the competing structural, electronic and magnetic orders in chromium are investigated by a joint soft-X-ray angle resolved photoemission spectroscopy and density functional theory study of its band structure.

    • Federico Bisti
    • Paolo Settembri
    • Vladimir N. Strocov
    ResearchOpen Access
    Communications Materials
    Volume: 6, P: 1-7