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On-surface polymerisation and self-assembly of DPP-based molecular wires

Clarke, Michael; Bellamy-Carter, Abigail; Malagreca, Ferdinando; Hart, Jack; Argent, Stephen P.; O'Shea, James N.; Amabilino, David B.; Saywell, Alex

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Michael Clarke

Abigail Bellamy-Carter

Ferdinando Malagreca

Jack Hart

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Associate Professor and Reader in Physics

David B. Amabilino


The incorporation of organic semiconducting materials within solid-state electronic devices provides a potential route to highly efficient photovoltaics, transistors, and light emitting diodes. Key to the realisation of such devices is efficient intramolecular charge transport within molecular species, as well as intermolecular/interdomain transport, which necessitates highly ordered supramolecular domains. The on-surface synthesis of polymeric organic materials (incorporating donor and/or acceptor moieties) is one pathway towards the production of highly ordered molecular domains. Here we study the formation of a polymer based upon a diketopyrrolopyrrole (DPP) monomer unit, possessing aryl-halide groups to facilitate on-surface covalent coupling and functionalised with alkyl chains which drive the self-assembly of both the monomer material prior to reaction and the domains of polymeric material following on-surface synthesis. The self-assembled structure of close-packed domains of the monomer units, and the ordered polymers, are investigated and characterised using scanning tunnelling microscopy and X-ray photoelectron spectroscopy.


Clarke, M., Bellamy-Carter, A., Malagreca, F., Hart, J., Argent, S. P., O'Shea, J. N., …Saywell, A. (2023). On-surface polymerisation and self-assembly of DPP-based molecular wires. Molecular Systems Design and Engineering,

Journal Article Type Article
Acceptance Date Feb 14, 2023
Online Publication Date Feb 16, 2023
Publication Date Feb 21, 2023
Deposit Date Feb 22, 2023
Publicly Available Date Feb 22, 2023
Journal Molecular Systems Design and Engineering
Print ISSN 2058-9689
Electronic ISSN 2058-9689
Publisher Royal Society of Chemistry (RSC)
Peer Reviewed Peer Reviewed
Keywords Materials Chemistry, Industrial and Manufacturing Engineering, Process Chemistry and Technology, Energy Engineering and Power Technology, Biomedical Engineering, Chemical Engineering (miscellaneous), Chemistry (miscellaneous)
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