Controlling the Hierarchical Assembly of π-Conjugated Oligoelectrolytes

Tingting Zheng, Huanhuan Feng, Johanna M. van den Broek, Khosrow Rahimi, Alexander J.C. Kuehne, Renko de Vries, Joris Sprakel*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Here, a means of controlling the assembly pathways of p-conjugated oligoelectrolytes into supramolecular fibers and microtubes is presented, and it is shown how the addition of small end-caps to well-defined and pH-responsive conjugated oligomers can alter the balance between repulsive and attractive supramolecular forces and enables control of the morphology of the hierarchical assembly process. The assembly stages from nuclei to protofibers are evidenced and a hypothesis on the mechanism of microtubes formation using a combination of analytical methods is provided, revealing different degrees of order at different scales along the structural hierarchy.

Original languageEnglish
Article number1800284
JournalMacromolecular Rapid Communications
Volume39
Issue number16
DOIs
Publication statusPublished - Aug 2018

Keywords

  • conjugated polyelectrolytes
  • hierarchical materials
  • pathway control
  • self-assembly

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