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Updated: Jul 3, 2026

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
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Functionalized supramolecular nanoporous arrays for surface templating.

Luís M A Perdigão1, Alex Saywell, Giselle N Fontes

  • 1School of Physics and Astronomy, University of Nottingham, University Park, Nottingham, UK.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|July 31, 2008
PubMed
Summary
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Researchers functionalized perylene tetracarboxylic diimide (PTCDI) derivatives with side groups. This controlled self-assembly on surfaces created novel unimolecular hexagonal arrangements and tailored network pores for nanostructure templating.

Area of Science:

  • Surface science
  • Supramolecular chemistry
  • Materials science

Background:

  • Controlled self-assembly of molecules on surfaces is crucial for creating functional nanostructures.
  • 3,4:9,10-perylenetetracarboxylic diimide (PTCDI) derivatives are versatile building blocks for surface-based molecular networks.
  • Melamine is a common co-molecule used in hydrogen-bonded networks.

Purpose of the Study:

  • To investigate the effect of chemical side groups on the self-assembly of PTCDI derivatives.
  • To explore the formation of novel bimolecular networks and their structural properties.
  • To demonstrate a new route for functionalizing network pores for applications in nanostructure templating.

Main Methods:

  • Synthesis of two functionalized PTCDI derivatives: Br(2)-PTCDI and di(propylthio)-PTCDI.

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Last Updated: Jul 3, 2026

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
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Published on: June 18, 2013

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
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A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

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Multiscale Structures Aggregated by Imprinted Nanofibers for Functional Surfaces

Published on: September 11, 2018

  • Studying self-assembled structures on a Ag-Si(111) surface using scanning tunneling microscopy (STM) under ultrahigh vacuum (UHV).
  • Characterization of molecular arrangements and entrapment behavior.

    • Main Results:

    • The introduction of side groups significantly influenced the self-assembled structures.
    • Di(propylthio)-PTCDI formed a previously unreported unimolecular hexagonal arrangement.
    • Functionalized PTCDI derivatives enabled tailored network pores with potential for selective guest entrapment.

    Conclusions:

    • Chemical tailoring of PTCDI derivatives offers a new strategy for controlling surface self-assembly.
    • Novel unimolecular and bimolecular network structures can be achieved.
    • This approach opens possibilities for designing nanostructured surfaces with chemical selectivity for templating applications.