In this work, we propose a sensor based on Tamm plasmonic resonance; the structure is composed of gold nanoribbons deposited on a Distributed Bragg Reflector (DBR) (SiO2/Si3N4)6. We have enhanced the sensitivity of our sensor from 40 nm/RIU to 200 nm/RIU for a refractive index change of 1% by replacing the last layer of Si3N4 in contact with gold with porous Si3N4 with a porosity of p = 40%.
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Haidar et al. (2024) studied this question.
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