Please use this identifier to cite or link to this item: https://doi.org/10.1038/s41467-018-07323-6
Title: Two-dimensional tessellation by molecular tiles constructed from halogen-halogen and halogen-metal networks
Authors: Cheng, Fang 
Wu, Xue-Jun
Hu, Zhixin
Lu, Xuefeng 
Ding, Zijing 
Shao, Yan 
Xu, Hai 
Ji, Wei
Wu, Jishan 
Loh, Kian Ping 
Keywords: Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
ORGANIC COORDINATION NETWORKS
AU(111)
CRYSTALS
ASSEMBLIES
RESOLUTION
CHEMISTRY
GRAPHENE
MOBILITY
BONDS
Issue Date: 19-Nov-2018
Publisher: NATURE PUBLISHING GROUP
Citation: Cheng, Fang, Wu, Xue-Jun, Hu, Zhixin, Lu, Xuefeng, Ding, Zijing, Shao, Yan, Xu, Hai, Ji, Wei, Wu, Jishan, Loh, Kian Ping (2018-11-19). Two-dimensional tessellation by molecular tiles constructed from halogen-halogen and halogen-metal networks. NATURE COMMUNICATIONS 9 (1). ScholarBank@NUS Repository. https://doi.org/10.1038/s41467-018-07323-6
Abstract: © 2018, The Author(s). Molecular tessellations are often discovered serendipitously, and the mechanisms by which specific molecules can be tiled seamlessly to form periodic tessellation remain unclear. Fabrication of molecular tessellation with higher symmetry compared with traditional Bravais lattices promises potential applications as photonic crystals. Here, we demonstrate that highly complex tessellation can be constructed on Au(111) from a single molecular building block, hexakis(4-iodophenyl)benzene (HPBI). HPBI gives rise to two self-assembly phases on Au(111) that possess the same geometric symmetry but different packing densities, on account of the presence of halogen-bonded and halogen–metal coordinated networks. Sub-domains of these phases with self-similarity serve as tiles in the periodic tessellations to express polygons consisting of parallelograms and two types of triangles. Our work highlights the important principle of constructing multiple phases with self-similarity from a single building block, which may constitute a new route to construct complex tessellations.
Source Title: NATURE COMMUNICATIONS
URI: https://scholarbank.nus.edu.sg/handle/10635/167672
ISSN: 2041-1723
DOI: 10.1038/s41467-018-07323-6
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