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Issue 57, 2018
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Spontaneous separation of on-surface synthesized tris-helicenes into two-dimensional homochiral domains

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Abstract

The on-surface Ullmann coupling of 2,3-dibromo[4]helicene molecules is studied on Au(111) and Cu(111) surfaces. Bis-helicene and tris-helicene are identified with scanning tunnelling microscopy and X-ray photoelectron spectroscopy as reaction products. The produced star-shaped tris-helicenes self-assemble on Au(111) spontaneously into large homochiral domains.

Graphical abstract: Spontaneous separation of on-surface synthesized tris-helicenes into two-dimensional homochiral domains

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Article information


Submitted
28 May 2018
Accepted
22 Jun 2018
First published
26 Jun 2018

Chem. Commun., 2018,54, 7948-7951
Article type
Communication

Spontaneous separation of on-surface synthesized tris-helicenes into two-dimensional homochiral domains

J. Li, K. Martin, N. Avarvari, C. Wäckerlin and K. Ernst, Chem. Commun., 2018, 54, 7948
DOI: 10.1039/C8CC04235G

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