Site-Specific Pre-Swelling-Directed Morphing Structures of Patterned Hydrogels,Angewandte Chemie International Edition

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Site-Specific Pre-Swelling-Directed Morphing Structures of Patterned Hydrogels
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2017-11-22 04:18:23 , DOI: 10.1002/anie.201708926
Zhi Jian Wang ₁ , Wei Hong _{2,

3,

4} , Zi Liang Wu ₁ , Qiang Zheng ₁

Affiliation

A swell idea: Morphing structures of photo-lithographically patterned hydrogels were programmed by selective pre-swelling of the regions with a high-swelling capacity. This step built a transient through-thickness gradient and directed the buckling direction. Different combinations of localized buckling led to different morphing structures from identically patterned hydrogels.

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