초록 |
The presentation describes efforts to control the shape and function of soft materials for applications that include functional surfaces, soft and stretchable electronics. The research harnesses physical behavior of soft materials at surfaces and interfaces, non-lithographic nanofabrications, and actuating. First, complex nanopatterns in a form of hierarchically sequenced morphologies in block copolymer films on lithography-free topographic substrates by periodic confinement and spontaneous kinetic flow‐fields is demonstrated. Second, gallium-based liquid metals at room temperature are patterned into microchannels of tough silicones to form ultra-stretchable wires and microelectrodes. It is also demonstrated to create shape-memory polymeric materials with electrical conductivity and reconfigurable devices by switching the phase of the metals. Third, a facile approach to achieve localized surface instability on a metal/polymer (Al/PS) bilayer on a rigid substrate is presented. |