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Nanomaterial-Functionalized-Metamaterial-Inspired Resonators for Ultra-Sensitive and Selective H2S Sensing | IEEE Conference Publication | IEEE Xplore

Nanomaterial-Functionalized-Metamaterial-Inspired Resonators for Ultra-Sensitive and Selective H2S Sensing

Publisher: IEEE

Abstract:

A gold nanoparticles-functionalized-complementary-split-ring-resonator (CSRR) sensor is fabricated and studied for explicit sensing of a hazardous gas, namely, hydrogen s...View more

Abstract:

A gold nanoparticles-functionalized-complementary-split-ring-resonator (CSRR) sensor is fabricated and studied for explicit sensing of a hazardous gas, namely, hydrogen sulphide (H2S) using an electrical metamaterial sensor. Concentrations as low as 1 ppm have been detected with 2 MHz of resonance frequency shift from 2.437 GHz and upto 55 MHz for 100 ppm of H2S, with negligible response to oxygen. The high sensitivity of CSRR metamaterial towards dielectric constant of the subjected material, and the selectivity of the gold nanoparticles towards sulfur moieties, together, show superior properties of proposed sensor. Thus, a combined domain of nanotechnolgy and electrical metamaterials is proposed for improved sensing.
Published in: 2018 IEEE SENSORS
Date of Conference: 28-31 October 2018
Date Added to IEEE Xplore: 31 January 2019
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ISSN Information:

Publisher: IEEE
Conference Location: New Delhi, India

References

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