Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 19, Pages 6128-6131Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b02206
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Funding
- National Key Project on Basic Research [2011CB808701, 2011CB932304]
- National Natural Science Foundation of China [21127901, 21233010, 21373236]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB12020100]
- NSF [CHE 0820955]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1212799] Funding Source: National Science Foundation
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Halogen bonding has attracted much attention recently as an important driving force for supramolecular assembly and crystal engineering. Herein, we demonstrate for the first time the formation of a halogen bond-based open porous network on a graphite surface using ethynylpyridine and aryl-halide based building blocks. We found that the electrical stimuli of a scanning tunneling microscopy (STM) tip can induce the formation of a binary supramolecular structure on the basis of halogen bond formation between terminal pyridyl groups and perfluoro-iodobenzene. This electrical manipulation method can be applied to engineer a series of linear or porous structures by selecting halogen bond donor and acceptor fragments with different symmetries, as the directional interactions ultimately determine the structural outcome.
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