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  On‐Surface Assembly of Hydrogen‐ and Halogen‐Bonded Supramolecular Graphyne‐Like Networks

Yang, Z., Fromm, L., Sander, T., Gebhardt, J., Schaub, T. A., Görling, A., et al. (2020). On‐Surface Assembly of Hydrogen‐ and Halogen‐Bonded Supramolecular Graphyne‐Like Networks. Angewandte Chemie International Edition, 59(24), 9549-9555. doi:10.1002/anie.201916708.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-0D3A-C Version Permalink: http://hdl.handle.net/21.11116/0000-0006-8F68-5
Genre: Journal Article

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anie.201916708.pdf (Publisher version), 4MB
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anie201916708-sup-0001-misc_information.pdf (Supplementary material), 17MB
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https://dx.doi.org/10.1002/anie.201916708 (Publisher version)
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 Creators:
Yang, Z.1, Author
Fromm, L.2, Author
Sander, T.1, Author
Gebhardt, J.2, 3, Author              
Schaub, T. A.4, Author
Görling, A.2, Author
Kivala, M.4, 5, Author
Maier, S.1, Author
Affiliations:
1Department of Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, ou_persistent22              
2Chair of Theoretical Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, ou_persistent22              
3Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
4Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, ou_persistent22              
5Centre for Advanced Materials, Ruprecht-Karls-Universität Heidelberg, ou_persistent22              

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 Abstract: Demonstrated here is a supramolecular approach to fabricate highly ordered monolayered hydrogen‐ and halogen‐bonded graphyne‐like two‐dimensional (2D) materials from triethynyltriazine derivatives on Au(111) and Ag(111). The 2D networks are stabilized by N⋅⋅⋅H−C(sp) bonds and N⋅⋅⋅Br−C(sp) bonds to the triazine core. The structural properties and the binding energies of the supramolecular graphynes have been investigated by scanning tunneling microscopy in combination with density‐functional theory calculations. It is revealed that the N⋅⋅⋅Br−C(sp) bonds lead to significantly stronger bonded networks compared to the hydrogen‐bonded networks. A systematic analysis of the binding energies of triethynyltriazine and triethynylbenzene derivatives further demonstrates that the X3‐synthon, which is commonly observed for bromobenzene derivatives, is weaker than the X6‐synthon for our bromotriethynyl derivatives.

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Language(s): eng - English
 Dates: 2019-12-302020-03-032020-06-08
 Publication Status: Published in print
 Pages: 7
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201916708
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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 59 (24) Sequence Number: - Start / End Page: 9549 - 9555 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851