Humidity sensor based on silver nanoparticles embedded in a polymeric coating

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering, Engineering, Electrical & Electronic

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VOLUME 5 , ISSUE 1 (March 2012) > List of articles

Humidity sensor based on silver nanoparticles embedded in a polymeric coating

Pedro J. Rivero * / Aitor Urrutia / Javier Goicoechea / Francisco J. Arregui / Ignacio R. Matías

Keywords : Optical fiber, humidity sensor, surface Plasmon resonance (SPR), synthesis of silver nanoparticles, polymeric coating.

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 5, Issue 1, Pages 71-83, DOI: https://doi.org/10.21307/ijssis-2017-471

License : (CC BY-NC-ND 4.0)

Received Date : 01-February-2012 / Accepted: 15-February-2012 / Published Online: 01-March-2012

ARTICLE

ABSTRACT

In this work, it is presented a novel optical fiber humidity sensor based on silver nanoparticle-loaded polymeric coatings built onto an optical fiber core. The polymeric film was fabricated using the Layer-by-Layer assembly technique. The silver nanoparticles (Ag NPs) were characterized using transmission electron microscopy (TEM and UV-VIS spectroscopy. A Localized Surface Plasmon Resonance (LSPR) attenuation band is observed when the thickness of the coating increases, and showed a very good sensitivity to Relative Humidity (RH) variations, suitable for high performance applications such as human breathing monitoring.

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REFERENCES

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