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Ordered Nanostructures of a [2]Catenane Through Self-Assembly at Surfaces—An STM Study With Sub-Molecular Resolution

Paolo Samorı́, Frank Jäckel, Ömer Ünsal, Adelheid Godt, Jürgen P. Rabe

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Abstract

Model molecular machines can be prepared in solution; their requirements are still more restrictive when anchored onto a surface. Large two-dimensional crystals of [2]catenane were formed on HOPG through self-assembly—the picture shows a 15×15 nm2 STM image of the surface-bound structure. A comparison with related surface-bound compounds by STM gave insight into the structural requirements for such self-assembly.

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What this paper is about

Model molecular machines can be prepared in solution; their requirements are still more restrictive when anchored onto a surface. Large two-dimensional crystals of [2]catenane were formed on HOPG through self-assembly—the picture shows a 15×15 nm2 STM image of the surface-bound structure. A comparison with related surface-bound compounds by STM gave insight into the structural requirements for such self-assembly.

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Available abstract

Model molecular machines can be prepared in solution; their requirements are still more restrictive when anchored onto a surface. Large two-dimensional crystals of [2]catenane were formed on HOPG through self-assembly—the picture shows a 15×15 nm2 STM image of the surface-bound structure. A comparison with related surface-bound compounds by STM gave insight into the structural requirements for such self-assembly.

Key concepts: Catenane, Self-assembly, Nanostructure, Scanning tunneling microscope, Nanotechnology, Surface (topology), Materials science, Resolution (logic)

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