3 years ago

Coexisting Chiral Two-Dimensional Self-Assembled Structures of 1,2,3,4-Tetrahydronaphthalene Molecules: Porous Pinwheel Nanoarchitecture and Close-Packed Herringbone Arrangement

Coexisting Chiral Two-Dimensional Self-Assembled Structures of 1,2,3,4-Tetrahydronaphthalene Molecules: Porous Pinwheel Nanoarchitecture and Close-Packed Herringbone Arrangement
Sandrine Ausset, Fabien Silly, Xiaonan Sun
The self-assembly of 1,2,3,4-tetrahydronaphthalene molecules is investigated using scanning tunneling microscopy (STM) at the solid/liquid interface. STM reveals that the molecule self-assembles into a chiral close-packed herringbone structure and a chiral porous pinwheel nanoarchitecture at room temperature on graphite. The two networks are equally distributed on the surface, and the two enantiomeric molecular arrangements of the two structures are observed. Variation of the molecule–surface epitaxial relationship suggests that the pinwheel arrangement favors molecule–surface interactions, whereas the herringbone arrangement favors intermolecular interactions.

Publisher URL: http://dx.doi.org/10.1021/acs.jpcc.7b04926

DOI: 10.1021/acs.jpcc.7b04926

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