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Hydrogels have emerged as prototypical stimuli‐responsive materials with potential applications in soft robotics, microfluidics, tissue engineering, and adaptive optics. To leverage the full potential of these materials, fabrication techniques capable of simultaneous control of microstructure, device architecture, and interfacial stability, that is, adhesion of hydrogel components to support substrates,...
Stimuli‐Responsive Microlens Arrays
In article number 2305711, Ruiguo Yang, Stephen A. Morin, and co‐workers present a general strategy for the fabrication of large‐area arrays of fixed hydrogel microlenses. The process involves the surface assembly and grafting of pre‐polymer droplets to polymeric wettability templates. Stimuli‐triggered volume contraction/expansion enabled controlled dynamic microlensing...
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