A Printable Humidity Sensing Material Based on Conductive Polymer and Nanoparticles Composites
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概要
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To monitor humidity, the polymer-based humidity sensing material has become an emerging candidate because of its low-cost and low-power characteristics. To implement polymer sensing materials, however, the fabrication capability and stability are major concerns. In this work, an inkjet printable humidity sensing material, poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), is developed to improve the fabrication capability. Besides, different kinds of nanoparticles, SiO<inf>2</inf>and aluminum zinc oxide (AZO), are also employed to enhance the stability and sensitivity to humidity sensing. Based on experimental results, the sensitivity can be improved by 100%; the stability can also be noticeably enhanced. To understand the sensing mechanism, X-ray diffraction (XRD), Fourier transforms infrared diffraction (FTIR), and photoluminescence (PL) spectrometer measurements are performed. Based on these material investigations, the sensing enhancement is due to physical adsorption of the blending nanoparticles. This work proposes a high sensitivity and low cost humidity sensing material for different applications.
- 2013-05-25
著者
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Wu Wen-Jong
Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei 10617, Taiwan
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Chuang Wen-Yu
Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
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Lin Shih-Hui
Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei 10617, Taiwan
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Lin Chih-Ting
Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
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Lee Chang-Hung
Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
関連論文
- Electromagnetic Interference Analysis of DC–DC Converters Based on Piezoelectric Transformers
- A Printable Humidity Sensing Material Based on Conductive Polymer and Nanoparticles Composites
- A Printable Humidity Sensing Material Based on Conductive Polymer and Nanoparticles Composites (Special Issue : Printed Electronics)