Assembly of micro/nanomaterials into complex, three-dimensional architectures by compressive buckling

Author:

Xu Sheng1,Yan Zheng1,Jang Kyung-In1,Huang Wen2,Fu Haoran34,Kim Jeonghyun15,Wei Zijun1,Flavin Matthew1,McCracken Joselle6,Wang Renhan1,Badea Adina6,Liu Yuhao1,Xiao Dongqing6,Zhou Guoyan37,Lee Jungwoo15,Chung Ha Uk1,Cheng Huanyu13,Ren Wen6,Banks Anthony1,Li Xiuling2,Paik Ungyu5,Nuzzo Ralph G.16,Huang Yonggang3,Zhang Yihui38,Rogers John A.1269

Affiliation:

1. Department of Materials Science and Engineering and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

2. Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

3. Department of Civil and Environmental Engineering and Department of Mechanical Engineering, Center for Engineering and Health, and Skin Disease Research Center, Northwestern University, Evanston, IL 60208, USA.

4. Department of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, P.R. China.

5. Department of Materials Science and Engineering, Department of Energy Engineering, Hanyang University, Seoul 133-791, Republic of Korea.

6. Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

7. Key Laboratory of Pressure Systems and Safety (MOE), School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China.

8. Center for Mechanics and Materials, Tsinghua University, Beijing 100084, P.R. China.

9. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

Abstract

Popping materials and devices from 2D into 3D Curved, thin, flexible complex three-dimensional (3D) structures can be very hard to manufacture at small length scales. Xu et al. develop an ingenious design strategy for the microfabrication of complex geometric 3D mesostructures that derive from the out-of-plane buckling of an originally planar structural layout (see the Perspective by Ye and Tsukruk). Finite element analysis of the mechanics makes it possible to design the two 2D patterns, which is then attached to a previously strained substrate at a number of points. Relaxing of the substrate causes the patterned material to bend and buckle, leading to its 3D shape. Science , this issue p. 154 ; see also p. 130

Funder

U.S. Department of Energy, Office of Science, Basic Energy Sciences

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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