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

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number011601
JournalApplied Physics Express
Volume10
Issue number1
DOIs
Publication statusPublished - 2017 Jan 1

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polybutadiene
Nanosheets
Polybutadienes
Polystyrenes
polystyrene
copolymers
Copolymers
Light interference
Poisson ratio
Polydimethylsiloxane
Elasticity
Entropy
elastic properties
entropy
interference

ASJC Scopus subject areas

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

Cite this

Optomechanical characterization of freestanding stretchable nanosheet based on polystyrene-polybutadiene-polystyrene copolymer. / Kumagai, Hayato; Sato, Nobutaka; Takeoka, Shinji; Sawada, Kazuaki; Fujie, Toshinori; Takahashi, Kazuhiro.

In: Applied Physics Express, Vol. 10, No. 1, 011601, 01.01.2017.

Research output: Contribution to journalArticle

Kumagai, Hayato ; Sato, Nobutaka ; Takeoka, Shinji ; Sawada, Kazuaki ; Fujie, Toshinori ; Takahashi, Kazuhiro. / Optomechanical characterization of freestanding stretchable nanosheet based on polystyrene-polybutadiene-polystyrene copolymer. In: Applied Physics Express. 2017 ; Vol. 10, No. 1.
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