High performance smell sensor using spatially controlled LB films with polymer backbone

Seimei Sha Shiratori, Kazuki Kohno, Masayoshi Yamada

研究成果: Conference article査読

17 被引用数 (Scopus)

抄録

Lateral spacings of the molecules in the Langmuir-Blodgett (LB) films were controlled by introducing fullerene (C60) molecules as the spacers. The spatially controlled LB films were deposited on the electrode of a quartz crystal microbalance (QCM) and the adsorption characteristics of the gas molecules were studied. The permeability of the gas molecules into the film was higher when the molecular weight was lower or when the molecular size was smaller. This molecular sifter function was caused by the adsorption of the gas molecules not mainly to the spacer molecules but to the lipid molecules. In order to prevent the structural change caused by the desiccation of the films, polymer backbones were added to the membrane. The spatially controlled LB films with polymer backbone were found to be a novel smell sensor with a molecular sifter function and high durability.

本文言語English
ページ(範囲)70-75
ページ数6
ジャーナルSensors and Actuators, B: Chemical
64
1-3
DOI
出版ステータスPublished - 2000 6 10
イベントTransducers '99 - 10th International Conference on Solid-State Sensors and Actuators - Sendai, Japan
継続期間: 1999 6 71999 6 10

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 器械工学
  • 凝縮系物理学
  • 表面、皮膜および薄膜
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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