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説明:

A metal-metal bond between coordination complexes is in the nature of the covalent bond in hydrocarbons. While bimetallic and trimetallic compounds usually have three-dimensional structures in solution, the high directionality and robustness of the bond can be applied for on-surface syntheses. Here, we present a systematic formation of complex organometallic oligomers on Cu(111) through sequential ring-opening of 11,11,12,12-tetraphenyl-1,4,5,8-tetraazaanthraquinodimethane and bonding of phenanthroline derivatives by multiple Cu atoms. A detailed characterization with a combination of scanning tunneling microscopy and density functional theory calculations revealed the role of the Cu adatoms in both enantiomers of chiral oligomers. Furthermore, we found sufficient strength of the bonds against sliding friction by manipulating the oligomers up to a hexamer. This finding may help to increase the variety of organometallic nanostructures on surfaces.

権利情報:

• In Copyright
  

  This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Nano, copyright © 2023AmericanChemicalSociety after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsnano.3c10524

キーワード: Organometallic oligomer, On-surface synthesis, Tip-induced manipulation, Scanning tunneling microscopy, Density functional theory calculations

刊行年月日: 2023-12-12

出版者: American Chemical Society (ACS)

掲載誌:

• ACS Nano (ISSN: 1936086X) vol. 17 issue. 23 p. 24355-24362

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4308

公開URL: https://doi.org/10.1021/acsnano.3c10524

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更新時刻: 2024-12-04 14:53:18 +0900

MDRでの公開時刻: 2024-12-04 14:53:18 +0900