Reversible Morphological Transformation between Polymer Nanocapsules and Thin Films through Dynamic Covalent Self-Assembly

A facile method has been developed for synthesizing polymer nanocapsules and thin films using multiple in‐plane stitching of monomers by the formation of reversible disulfide linkages. Owing to the reversibility of the disulfide linkages, the nanostructured materials readily transform their structur...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2015-02, Vol.54 (9), p.2693-2697
Main Authors: Kim, Jeehong, Baek, Kangkyun, Shetty, Dinesh, Selvapalam, Narayanan, Yun, Gyeongwon, Kim, Nam Hoon, Ko, Young Ho, Park, Kyeng Min, Hwang, Ilha, Kim, Kimoon
Format: Article
Language:English
Subjects:
2D polymer films
disulfide bonds
Disulfides
Disulfides - chemistry
Exchange
Linkages
Molecular Conformation
Morphology
nanocapsules
Nanocapsules - chemistry
Nanostructure
Nanostructured materials
nanostructures
Particle Size
Polymers - chemical synthesis
Polymers - chemistry
R&D
Research & development
Self assembly
Solvents
Surface Properties
Thermodynamics
Thin films
Transformations
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Summary:A facile method has been developed for synthesizing polymer nanocapsules and thin films using multiple in‐plane stitching of monomers by the formation of reversible disulfide linkages. Owing to the reversibility of the disulfide linkages, the nanostructured materials readily transform their structures in response to environmental changes at room temperature. For example, in reducing environments, the polymer nanocapsules release loaded cargo molecules. Moreover, reversible morphological transformations between these structures can be achieved by simple solvent exchanges. This work is a novel approach for the formation of robust nano/microstructured materials that dynamically respond to environmental stimuli. Nano‐transformers: A facile synthesis of polymer nanocapsules and thin films by multiple in‐plane cross‐linking of mercaptopropylcucurbit[6]uril through disulfide bonds was achieved. The reversible nature of disulfide linkages allows reversible morphological transformations by simple solvent exchanges.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201411842