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Chemical Feedback in Templated Reaction-Assembly Networks.
Inge Bos1, Camilla Terenzi2, Joris Sprakel1
1Physical Chemistry and Soft Matter, Wageningen University & Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands.
Macromolecules
|December 17, 2020
Summary
Chemical feedback in reaction-assembly networks guides nanostructure formation. This study reveals how templated coassembly accelerates reactions and prevents unwanted structures, enabling rational design.
Area of Science:
- Supramolecular chemistry
- Nanomaterial synthesis
- Chemical kinetics
Background:
- Chemical feedback influences self-assembly pathways in nature and nanomaterial synthesis.
- Reaction-assembly networks offer control over nanostructure formation.
- Fundamental mechanisms of feedback in structure formation are not fully understood.
Purpose of the Study:
- To unravel the pathways of a templated reaction-assembly network.
- To investigate the effects of chemical feedback on covalent polymerization and electrostatic coassembly.
- To establish a predictive kinetic model for reaction-assembly networks.
Main Methods:
- Studied a templated reaction-assembly network coupling covalent polymerization and electrostatic coassembly.
- Investigated the role of supramolecular staging of building blocks.
- Developed a predictive kinetic reaction model.
Main Results:
- Supramolecular staging accelerates polymerization reactions.
- Feedback prevents the formation of kinetically trapped structures.
- A quantitative kinetic model was established to describe network pathways.
Conclusions:
- Chemical feedback can steer self-assembly reactions.
- This understanding enables the rational design of new nanostructures.
- Templated reaction-assembly networks provide a powerful strategy for controlling nanomaterial synthesis.
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