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：
日本学术振兴会; 日本科学技术振兴机构;
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
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页数：4
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