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The incorporation of Si atoms into organic compounds significantly increases a variety of functionality, facilitating further applications. Recently, on-surface synthesis was introduced into organosilicon chemistry as 1,4-disilabenzene bridged nanostructures were obtained via coupling between silicon atoms and brominated phenyl groups at the ortho position on Au(111). Here, we demonstrate a high generality of this strategy via syntheses of silole derivatives and nanoribbon structures with eight-membered sila-cyclic rings from dibrominated molecules at the bay and peri
positions on Au(111), respectively. Their structures and electronic properties were investigated by a combination of scanning tunneling microscopy/spectroscopy and density functional theory calculations. This work demonstrates a great potential to deal with heavy group 14 elements in on-surface silicon chemistry.

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• Creative Commons BY Attribution 4.0 International
  

Keyword: on-surface synthesis, sila-cyclic rings, scanning tunneling microscopy/spectroscopy, density functional theory, nanoribbon structures

Date published: 2024-04-24

Publisher: Wiley

Journal:

• ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (ISSN: 00448249) vol. 63 issue. 18 e202401027

Funding:

• Japan Society for the Promotion of Science 22H00285
• Academy of Finland 346824

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1002/anie.202401027

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Updated at: 2024-04-25 16:30:15 +0900

Published on MDR: 2024-04-25 16:30:15 +0900