Self-adaptive control of infrared emissivity in a solution-processed plasmonic structure

Masashi Ono, Masahiro Takata, Masashi Shirata, Tatsuya Yoshihiro, Takeharu Tani, Masayuki Naya, Toshiharu Saiki

研究成果: Article査読

抄録

Active control of optical properties, particularly in the infrared (IR) regime, is critical for the regulation of thermal emission. However, most photonic structures and devices are based on a sophisticated design, making the dynamic control of their IR properties challenging. Here, we demonstrate self-adaptive control of IR absorptivity/emissivity in a simple stacked structure that consists of an oxide plasmonic nanocrystal layer and a phase change material (VO2) layer, both fabricated via a solution process. The resonance wavelength and emission intensity for this structure depend on the phase of the VO2. This has potential applications for thermal emission structures (e.g., self-adaptive radiative cooling and IR camouflage). The proposed structure is a candidate low-cost and scalable active photonic platform.

本文言語English
ページ(範囲)36048-36060
ページ数13
ジャーナルOptics Express
29
22
DOI
出版ステータスPublished - 2021 10 25

ASJC Scopus subject areas

  • 原子分子物理学および光学

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