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Issue 48, 2019
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Stimuli-responsive supramolecular nano-systems based on pillar[n]arenes and their related applications

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Abstract

Stimuli-responsive supramolecular nano-systems (SRNS) have been a trending interdisciplinary research area due to flexibly being able to switch functions through exposure to appropriate stimuli, which makes the systems very attractive in multiple fields where precise control is key. Pillar[n]arenes, as a new generation of macrocyclic host molecules, possess captivating properties including versatile chemical modifiability, rigid electron-rich structure and tuneable size of the cavity, and have become extremely valuable molecules/building blocks in constructing SRNS via non-covalent interactions. Significantly, numerous SRNS based on pillar[n]arenes have been fabricated in the past few years and found extensive applications in hydrogels, sensors, bioimaging, diagnosis, and, importantly, controlled drug release. In this review, we highlight the advances of SRNS based on pillar[n]arenes, which are categorised in terms of response factors including pH, redox, enzymes, temperature, light and ions. The related applications of pillar[n]arenes are then summarized into the following areas: fluorescent chemosensors, drug delivery, molecular switches, and other functional materials. In addition, the future potential for construction of SRNS based on pillar[n]arenes and their applications are discussed.

Graphical abstract: Stimuli-responsive supramolecular nano-systems based on pillar[n]arenes and their related applications

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Publication details

The article was received on 04 Sep 2019, accepted on 11 Nov 2019 and first published on 11 Nov 2019


Article type: Review Article
DOI: 10.1039/C9TB01913H
J. Mater. Chem. B, 2019,7, 7656-7675

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    Stimuli-responsive supramolecular nano-systems based on pillar[n]arenes and their related applications

    Y. Wang, Z. Pei, W. Feng and Y. Pei, J. Mater. Chem. B, 2019, 7, 7656
    DOI: 10.1039/C9TB01913H

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