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Pruney Finger-Inspired Switchable Surface with Water-Actuated Dynamic Textures
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-02-16 , DOI: 10.1021/acsami.2c22378 Boya Li 1, 2 , Gao Cai 1 , Xunzhang Li 1 , Wenjing Sha 1 , Xiaodong Shen 1 , Tingwei Wang 1 , Huaixia Zhao 1 , Yangxin Wang 1 , Jiaxi Cui 3
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-02-16 , DOI: 10.1021/acsami.2c22378 Boya Li 1, 2 , Gao Cai 1 , Xunzhang Li 1 , Wenjing Sha 1 , Xiaodong Shen 1 , Tingwei Wang 1 , Huaixia Zhao 1 , Yangxin Wang 1 , Jiaxi Cui 3
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Switchable surfaces play an important role in the development of functional materials. However, the construction of dynamic surface textures remains challenging due to the complicated structural design and surface patterning. Herein, a pruney finger-inspired switchable surface (PFISS) is developed by constructing water-sensitive surface textures on a polydimethylsiloxane substrate by taking advantage of the hygroscopicity of the inorganic salt filler and the 3D printing technology. Like human fingertips, the PFISS shows high water sensitivity with obvious surface variation in wet and dry states, which is actuated by water absorption–desorption of the hydrotropic inorganic salt filler. Besides, when the fluorescent dye is optionally added into the matrix of the surface texture, water-responsive fluorescent emitting is observed, providing a feasible surface-tracing strategy. The PFISS shows effective regulation of the surface friction and performs a good antislip effect. The reported synthetic strategy for the PFISS offers a facile way for building a wide range of switchable surfaces.
中文翻译：
具有水动动态纹理的 Pruney 手指启发可切换表面
可切换表面在功能材料的开发中起着重要作用。然而，由于复杂的结构设计和表面图案化，动态表面纹理的构建仍然具有挑战性。在此，利用无机盐填料的吸湿性和 3D 打印技术，通过在聚二甲基硅氧烷基板上构建水敏表面纹理，开发了一种受普尼手指启发的可切换表面 (Pruney finger-inspired switchable surface, PFISS)。与人的指尖一样，PFISS 表现出高水敏感性，在干湿状态下表面变化明显，这是由水溶性无机盐填料的吸水-解吸驱动的。此外，当荧光染料任选地添加到表面纹理的基质中时，观察到水响应荧光发射，提供可行的表面追踪策略。PFISS 显示出对表面摩擦的有效调节，并具有良好的防滑效果。报告的 PFISS 合成策略为构建各种可切换表面提供了一种简便的方法。
更新日期：2023-02-16
中文翻译：
具有水动动态纹理的 Pruney 手指启发可切换表面
可切换表面在功能材料的开发中起着重要作用。然而，由于复杂的结构设计和表面图案化，动态表面纹理的构建仍然具有挑战性。在此，利用无机盐填料的吸湿性和 3D 打印技术，通过在聚二甲基硅氧烷基板上构建水敏表面纹理，开发了一种受普尼手指启发的可切换表面 (Pruney finger-inspired switchable surface, PFISS)。与人的指尖一样，PFISS 表现出高水敏感性，在干湿状态下表面变化明显，这是由水溶性无机盐填料的吸水-解吸驱动的。此外，当荧光染料任选地添加到表面纹理的基质中时，观察到水响应荧光发射，提供可行的表面追踪策略。PFISS 显示出对表面摩擦的有效调节，并具有良好的防滑效果。报告的 PFISS 合成策略为构建各种可切换表面提供了一种简便的方法。
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