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journal article·2024-08Open access

2D and 3D Self‐Assembly of Fluorine‐Free Pillar‐[5]‐Arenes and Perfluorinated Diacids at All‐Aqueous Interfaces

Lawrence W. Honaker, Tu‐Nan Gao, Kelsey R. de Graaf, Tessa V.M. Bogaardt, Pim Vink, Tobias Stürzer, Gabriele Kociok‐Köhn, Han Zuilhof, Fedor M. Miloserdov, Siddharth Deshpande

Advanced Science· Volume 11· Issue 29
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Abstract

Abstract The interaction of perfluorinated molecules, also known as “forever chemicals” due to their pervasiveness, with their environment remains an important yet poorly understood topic. In this work, the self‐assembly of perfluorinated molecules with multivalent hosts, pillar‐[5]‐arenes, is investigated. It is found that perfluoroalkyl diacids and pillar‐[5]‐arenes rapidly and strongly complex with each other at aqueous interfaces, forming solid interfacially templated films. Their complexation is shown to be driven primarily by fluorophilic aggregation and assisted by electrostatic interactions, as supported by the crystal structure of the complexes, and leads to the formation of quasi‐2D phase‐separated films. This self‐assembly process can be further manipulated using aqueous two‐phase system microdroplets, enabling the controlled formation of 3D micro‐scaffolds.
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Research context

OpenAlex topics: Supramolecular Self-Assembly in Materials · Supramolecular Chemistry and Complexes · Luminescence and Fluorescent Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratory of Physical Chemistry and Soft Matter Wageningen University & Research Wageningen 6708 WE The Netherlands

Laboratory of Organic Chemistry Wageningen University & Research Wageningen 6708 WE The Netherlands

Biobased Chemistry and Technology Wageningen University & Research Wageningen 6708 WG The Netherlands

Bruker AXS GmbH 76187 Karlsruhe Germany

Core Research Facility University of Bath Bath BA2 7AY UK

School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 P. R. China

China–Australia Institute for Advanced Materials and Manufacturing Jiaxing University Jiaxing 314001 P. R. China

Funding

Nederlandse Organisatie voor Wetenschappelijk Onderzoek

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