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       A strategy for the fabrication of multi-responsive dynamic wrinkling pattern based on supramolecular polymer network (SPN) is illustrated. A pyridine-containing polymer and carboxyl-containing anthracene serve as the skin layer materials. The SNP is achieved via the hydrogen bond between pyridine and carboxyl groups and the reversible dimerization of anthracene. The wrinkle pattern has a fast response to UV light and acid/base whose morphology can be dynamically tuned between wrinkled state and smooth state. The high spatial resolution and non-contact characteristics of light-induced reversible dimerization endow the pattern with the characteristic of selective generation/ elimination, which enables its potential applications as smart displays and non-ink printing.

 

Copyright @ 2021 Yin Jie - Jiang Xuesong research group of Shanghai Jiao Tong University