|Title||Controlling the Hierarchical Assembly of π-Conjugated Oligoelectrolytes|
|Author(s)||Zheng, Tingting; Feng, Huanhuan; Broek, Johanna M. van den; Rahimi, Khosrow; Kuehne, Alexander J.C.; Vries, Renko de; Sprakel, Joris|
|Source||Macromolecular Rapid Communications 39 (2018)16. - ISSN 1022-1336|
Physical Chemistry and Soft Matter
|Publication type||Refereed Article in a scientific journal|
|Keyword(s)||conjugated polyelectrolytes - hierarchical materials - pathway control - self-assembly|
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.