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

Hayato Kumagai, Nobutaka Sato, Shinji Takeoka, Kazuaki Sawada, Toshinori Fujie, Kazuhiro Takahashi

研究成果: Article査読

4 被引用数 (Scopus)

抄録

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 675nm and a size of 10.4 ' 10.4mm2 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.

本文言語English
論文番号011601
ジャーナルApplied Physics Express
10
1
DOI
出版ステータスPublished - 2017 1 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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