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On-Surface Synthesis within a Porphyrin Nanoring Template

Judd, Chris J.; Kondratuk, Dmitry V.; Anderson, Harry L.; Saywell, Alex

Authors

Chris J. Judd

Dmitry V. Kondratuk

Harry L. Anderson



Abstract

On-surface synthesis provides a route for the production of 1D and 2D covalently bonded polymeric structures. Such reactions are confined to the surface of a substrate and the catalytic properties of the substrate are often utilised to initiate the reaction. Recent studies have focused on the properties of various crystallographic planes of metallic substrates, as well as native surface features such as step-edges, in an effort to provide control over the pathway of the reaction and the resultant products. An alternative approach is to template the catalytic surface with a porous molecular overlayer; giving rise to well-defined surface regions within which an on-surface reaction may be confined. Here we present a methodology where macromolecular templates are used to confine an on-surface reaction. Cyclic porphyrin polymers, nanorings - consisting of 40 porphyrin units with internal diameter 13 nm, are used to form a template on a Au(111) surface, and an on-surface Ullmann-type coupling reaction is initiated within the nanoring template. The surface confined template and covalently coupled reaction products are investigated and characterised with scanning tunnelling microscopy.

Citation

Judd, C. J., Kondratuk, D. V., Anderson, H. L., & Saywell, A. (2019). On-Surface Synthesis within a Porphyrin Nanoring Template. Scientific Reports, 9, https://doi.org/10.1038/s41598-019-45359-w

Journal Article Type Article
Acceptance Date May 24, 2019
Online Publication Date Jun 27, 2019
Publication Date Jun 27, 2019
Deposit Date Jun 5, 2019
Publicly Available Date Mar 29, 2024
Journal Scientific Reports
Print ISSN 2045-2322
Electronic ISSN 2045-2322
Publisher Nature Publishing Group
Peer Reviewed Peer Reviewed
Volume 9
Article Number 9352
DOI https://doi.org/10.1038/s41598-019-45359-w
Public URL https://nottingham-repository.worktribe.com/output/2144395
Publisher URL https://www.nature.com/articles/s41598-019-45359-w
Additional Information Received: 13 February 2019; Accepted: 24 May 2019; First Online: 27 June 2019; : The authors declare no competing interests.

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