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首页> 外文期刊>Advanced Functional Materials >Engineered Elastomer Substrates for Guided Assembly of Complex 3D Mesostructures by Spatially Nonuniform Compressive Buckling
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Engineered Elastomer Substrates for Guided Assembly of Complex 3D Mesostructures by Spatially Nonuniform Compressive Buckling

机译：工程化的弹性体基底，用于通过空间非均匀压缩屈曲引导复杂的3D介观结构的组装

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摘要

Approaches capable of creating 3D mesostructures in advanced materials (device-grade semiconductors, electroactive polymers, etc.) are of increasing interest in modern materials research. A versatile set of approaches exploits transformation of planar precursors into 3D architectures through the action of compressive forces associated with release of prestrain in a supporting elastomer substrate. Although a diverse set of 3D structures can be realized in nearly any class of material in this way, all previously reported demonstrations lack the ability to vary the degree of compression imparted to different regions of the 2D precursor, thus constraining the diversity of 3D geometries. This paper presents a set of ideas in materials and mechanics in which elastomeric substrates with engineered distributions of thickness yield desired strain distributions for targeted control over resultant 3D mesostructures geometries. This approach is compatible with a broad range of advanced functional materials from device-grade semiconductors to commercially available thin films, over length scales from tens of micrometers to several millimeters. A wide range of 3D structures can be produced in this way, some of which have direct relevance to applications in tunable optics and stretchable electronics.
机译：能够在先进材料（设备级半导体，电活性聚合物等）中创建3D介观结构的方法在现代材料研究中越来越受到关注。一组通用的方法利用与支撑弹性体基质中预应力释放相关的压缩力作用，将平面前体转变为3D结构。尽管以这种方式几乎可以在任何类型的材料中实现多种多样的3D结构，但是所有先前报道的演示都缺乏改变赋予2D前体不同区域的压缩程度的能力，从而限制了3D几何形状的多样性。本文提出了一组材料和力学方面的思想，其中具有工程厚度分布的弹性体基底可产生所需的应变分布，以对最终的3D介观几何形状进行目标控制。这种方法与从器件级半导体到市售薄膜的各种先进功能材料兼容，长度范围从几十微米到几毫米。以这种方式可以产生各种各样的3D结构，其中一些与可调谐光学器件和可拉伸电子器件中的应用直接相关。

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  • 来源
    《Advanced Functional Materials》 |2017年第1期|1604281.1-1604281.11|共11页
  • 作者

    Nan Kewang; Luan Haiwen; Yan Zheng; Ning Xin; Wang Yiqi; Wang Ao; Wang Juntong; Han Mengdi; Chang Matthew; Li Kan; Zhang Yutong; Huang Wen; Xue Yeguang; Huang Yonggang; Zhang Yihui; Rogers John A.;

  • 作者单位

    Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA;

    Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA;

    Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA;

    Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA;

    Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA;

    Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA|Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China;

    Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA;

    Peking Univ, Natl Key Lab Sci & Technol Micro Nano Fabricat, Beijing 100871, Peoples R China;

    Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA;

    Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA;

    Univ Illinois, Frederick Seitz Mat Res Lab, Dept Elect & Comp Engn, Urbana, IL 61801 USA;

    Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA;

    Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA|Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA;

    Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA|Tsinghua Univ, Dept Engn Mech, Ctr Mech & Mat, AML, Beijing 100084, Peoples R China;

    Univ Illinois, Beckman Inst Adv Sci & Technol, Frederick Seitz Mat Res Lab, Dept Mat Sci & Engn,Chem,Mech Sci & Engn,Elect &, Urbana, IL 61801 USA;

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