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Abstract
The rational design of materials with tailored properties is of paramount importance for a wide variety of biological, medical, electronic and optical applications. Here we report molecular level control over the spatial distribution of functional groups on surfaces utilizing self-assembled monolayers (SAMs) of pH-switchable surface-appended pseudorotaxanes. The supramolecular systems were constructed from a poly(aryl ether) dendron-containing a dibenzo[24]crown-8 (DB24C8) macrocycle and a thiol ligand-containing a dibenzylammonium recognition site and a fluorine end group. The dendron establishes the space (dendritic effect) that each pseudorotaxane occupies on the SAM. Following SAM formation, the dendron is released from the surface by switching off the noncovalent interactions upon pH stimulation, generating surface materials with tailored physical and chemical properties.
Original language | English |
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Pages (from-to) | 6264-6274 |
Journal | ACS Applied Materials & Interfaces |
Volume | 6 |
Issue number | 9 |
Early online date | 17 Apr 2014 |
DOIs | |
Publication status | Published - 14 May 2014 |
Keywords
- self-assembly
- binary self-assembled monolayers
- functional surfaces
- supramolecular systems
- pseudorotaxanes
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Dive into the research topics of 'Surface molecular tailoring using pH-switchable supramolecular dendron-ligand assemblies'. Together they form a unique fingerprint.Projects
- 1 Finished
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Switchable Nanostructured Surfaces as a Sophisticated Tool for Cell Biologists
Mendes, P., Kirkman-Brown, J. & Publicover, S.
10/01/11 → 9/05/14
Project: Research