Journal
IEEE SENSORS LETTERS
Volume 3, Issue 12, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSENS.2019.2954052
Keywords
Electromagnetic wave sensors; black phosphorus (BP); two-dimensional (2-D) material; gas sensor; sensitivity enhancement; surface plasmon resonance (SPR)
Funding
- Department of Atomic Energy, Board of Research in Nuclear Science, India [34/14/15/2018-BRNS/34102DAE(6)/2018-19/575/ECE]
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In this letter, a new optimization structure is proposed for enhancing the sensitivity of the surface plasmon resonance (SPR) based gas sensor with the help of alternative striations structure of the gold metal (Au) and black phosphorus (BP) [two-dimensional (2-D) material]. The sensitivity of the proposed optimized structure was enhanced by similar to 80.5% from the conventional sensor, and it again improved up to similar to 102.39% with the addition of extra BP layers between the gold layers. The results obtained show that the proposed sensor can play a vital role in the application of BP 2-D material in SPR-based sensors for gas sensing.
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