Bifurcated Mechanical Behavior of Deformed Periodic Porous Solids

被引：52

作者：

Singamaneni, Srikanth ^{[1
,2
]}

Bertoldi, Katia ^{[5
]}

Chang, Sehoon ^{[1
,2
]}

Jang, Ji-Hyun ^{[3
,4
]}

Young, Seth L. ^{[1
,2
]}

Thomas, Edwin L. ^{[3
,4
]}

Boyce, Mary C. ^{[5
]}

Tsukruk, Vladimir V. ^{[1
,2
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Georgia Inst Technol, Sch Polymer Textile & Fiber Engn, Atlanta, GA 30332 USA

[3] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

[4] MIT, Inst Soldier Nanotechnol, Cambridge, MA 02139 USA

[5] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

来源：

ADVANCED FUNCTIONAL MATERIALS | 2009年 / 19卷 / 09期

关键词：

MULTIBEAM INTERFERENCE LITHOGRAPHY; SCANNING PROBE MICROSCOPY; SEMICONDUCTOR NANORIBBONS; STRETCHABLE ELECTRONICS; HOLOGRAPHIC LITHOGRAPHY; NANOPARTICLE ARRAYS; PHOTONIC CRYSTALS; CARBON NANOTUBES; THIN-FILMS; POLYMER;

D O I：

10.1002/adfm.200801675

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The transformation of periodic microporous structures fabricated by interference lithography followed by their freezing below glass transition is described. Periodic porous microstructures subjected to internal compressive stresses can undergo sudden structural transformation at a critical strain. The pattern transformation of collapsed pores is caused by the stresses originated during the polymerization of acrylic acid (rubbery component) inside of cylindrical pores and the subsequent solvent evaporation in the organized microporous structure. By confining the polymerization of acrylic acid to localized porous areas complex microscopic periodic structures can be obtained. The control over the mechanical instabilities in periodic porous solids at a sub-micron scale demonstrated here suggests the potential mechanical tunability of photonic, transport, adhesive, and phononic properties of such periodic porous solids.

引用

页码：1426 / 1436

页数：11

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