Optomechanical characterization of freestanding stretchable nanosheet based on polystyrene-polybutadiene-polystyrene copolymer

被引：5

作者：

Kumagai, Hayato ^{[1
]}

Sato, Nobutaka ^{[2
]}

Takeoka, Shinji ^{[2
]}

Sawada, Kazuaki ^{[1
]}

Fujie, Toshinori ^{[3
,4
]}

Takahashi, Kazuhiro ^{[1
,4
]}

机构：

[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Toyohashi, Aichi 4418580, Japan

[2] Waseda Univ, Grad Sch Adv Sci & Engn, Dept Life Sci & Med Biosci, Shinjuku Ku, Tokyo 1628480, Japan

[3] Waseda Univ, Waseda Inst Adv Study, Shinjuku Ku, Tokyo 1628480, Japan

[4] JST PRESTO, Chiyoda Ku, Tokyo 1020076, Japan

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 01期

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

POLYMER NANOSHEETS; THIN-FILMS; PDMS; COMPOSITE; MEMBRANE; ADHESIVE; DESIGN;

D O I：

10.7567/APEX.10.011601

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this study, we fabricated a stretchable freestanding ultrathin sheet based on a polystyrene-polybutadiene-polystyrene (SBS) copolymer with entropy-driven elasticity and evaluated its optomechanical properties. The freestanding SBS sheet had a thickness of 675 nm and a size of 10.4 X 10.4 mm(2) on a through hole of a poly(dimethylsiloxane) (PDMS) sheet. The measurement of the reflection spectra of the optical interference peaks of the stretched sheets revealed that the SBS nanosheet had a Poisson's ratio of 0.5-0.68 for a 38% elastic strain, which is one order of magnitude greater than that of parylene. (C) 2017 The Japan Society of Applied Physics

引用

页数：4

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