Tailoring Multistimuli Responsive Micropatterns Activated by Various Mechanical Modes

Zeng Songshan; Shen Kuangyu; Li Shuliang; Li Rui; Hou Zaili; Zhang Xin; Tait William R. T.; Kajiwara Tomoko; Takahara Atsushi; Smith Andrew T.; Jones Michael D.; Zhang Dianyun; Sun Luyi

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Tailoring Multistimuli Responsive Micropatterns Activated by Various Mechanical Modes

机译：剪裁MultiSimuli响应式Micropattern，由各种机械模式激活

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A versatile wrinkle-based micropatterned system with a film-substrate structure is proposed, which contains a hydrophilic film of polyvinyl alcohol or its composite with laponite and a hydrophobic substrate of polydimethylsiloxane or its composite with carbon black. The wrinkled system features high design flexibility and multistimuli responsiveness, which can be activated by various mechanical methods, including vertical press or scratch, gentle stretch-and-release, bend, or analogous magneto-mechanical and electro-mechanical modes. The resultant wrinkles possess 1) instantaneous and reversible strain/moisture/light responsive optical modulation; 2) tunable dynamics for the aforementioned strain/moisture/light response;3) tailorable amplitude/wavelength; 4) unique surface morphologies from the coupling of wrinkles and cracks; 5) excellent reversibility and durability. A variety of applications are demonstrated based on this system, including 1) a moisture erasable highly sensitive pressure responsive device and pattern replicator with a high fidelity; 2) a moisture erasable scratch/magneto-mechanical re-writable tablet; 3) an electro-mechanical controllable smart window with an ultra-sensitive strain responsive transmittance modulation and a low operating voltage; 4) various types of strain responsive, moisture erasable, and laser writable information recording/encryption devices. This work provides new routes for designing innovative wrinkled systems triggered by diverse mechanical fashions and can decode multiple environmental stimuli into optical signals for widespread application.

机译：提出了一种具有薄膜基板结构的多功能皱纹的微图案系统，其含有聚乙烯醇的亲水性薄膜或其复合材料，其用氯矾酸盐和含有炭黑的复合材料的疏水基材。皱纹系统具有高的设计灵活性和多体响应性，可通过各种机械方法激活，包括垂直压力机或划痕，轻柔的拉伸和释放，弯曲或类似的磁力机械和机电模式。由此产生的皱纹具有1）瞬时和可逆应变/水分/透光响应性光学调制; 2）上述应变/湿度/光响应的可调谐动力学; 3）可定制幅度/波长; 4）来自皱纹和裂缝的联轴器的独特表面形态; 5）优异的可逆性和耐用性。基于该系统证明了各种应用，包括1）一种耐水性高敏感的压力响应装置和具有高保真度的图案复制器; 2）防潮擦除划痕/磁力机械可再现平板电脑; 3）带有超敏感应变响应透射率调制和低工作电压的机电可控智能窗口; 4）各种类型的应变响应，湿度可擦除，激光可写信息记录/加密设备。这项工作为设计采用多种机械方式引发的创新皱纹系统提供了新的路线，可以将多种环境刺激解码为光学信号，以供广泛应用。

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来源
《Advanced Functional Materials》 |2021年第18期|2100612.1-2100612.10|共10页
作者
Zeng Songshan; Shen Kuangyu; Li Shuliang; Li Rui; Hou Zaili; Zhang Xin; Tait William R. T.; Kajiwara Tomoko; Takahara Atsushi; Smith Andrew T.; Jones Michael D.; Zhang Dianyun; Sun Luyi;
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作者单位

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Dept Mech Engn Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Kyushu Univ Inst Mat Chem & Engn Nishi Ku 744 Motooka Fukuoka 8190395 Japan;

Kyushu Univ Inst Mat Chem & Engn Nishi Ku 744 Motooka Fukuoka 8190395 Japan;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA;

Purdue Univ Sch Aeronaut & Astronaut W Lafayette IN 47907 USA;

Univ Connecticut Inst Mat Sci Dept Chem & Biomol Engn & Polymer Program Storrs CT 06269 USA|Univ Connecticut Dept Biomed Engn Storrs CT 06269 USA;

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正文语种 eng
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关键词
micropatterns; multistimuli responsiveness; smart materials; wrinkled device;

机译：MicroOpatterns;多级纤维响应;智能材料;皱纹的装置;

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Tailoring Multistimuli Responsive Micropatterns Activated by Various Mechanical Modes

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