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Thermoresponsive Mobile Interfaces with Switchable Wettability, Optical Properties, and Penetrability

Year: 2017

Journal: ACS Appl. Mater. Interfaces, Volume 9, OCT 11, page 35483–35491

Authors: Zheng, Yijun; Liu, Xiao; Xu, Jiajia; Zhao, Huaixia; Xiong, Xinhong; Hou, Xu; Cui, Jiaxi

Organizations: BMBF [031A360D]; Recruitment Program for Young Professionals, China; National Natural Science Foundation [21673197, 31570947]; China and Research Institute for Biomimetics and Soft Matter; Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University; 111 Project [B16029]

Keywords: LCST; slippery surface; wettability; optical properties; penetrability

Liquid-based mobile interfaces, in which liquids are being utilized as structural long-term components, have shown their multifunctionality in materials science, such as the hydration layer of polyelectrolyte brushes used for artificial implants, stabilized lubricants for antibiofouling, anti-icing, self-cleaning, optical control, and so forth. However, these currently available systems do not usually show a response to environmental stimuli. Here, we describe a strategy for preparing thermoresponsive mobile interfaces made from novel silicone-based lubricants that display lower critical solution temperature and demonstrate their capabilities on controlling in situ water wetting and dewetting, thermo-gating penetration, and optical properties. These properties allow the mobile films to form a kind of erasable recording platforms. We foresee diverse applications in liquid transport, wetting and adhesion control, and transport switching.