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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 393-396 |
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Davami A, Shahrokh Abadi M H. Investigating the Effect of Blue Phosphorene-MX2 (MoS2,WS2, MoSe2,WSe2) Vander Waals Heterostructure on the Enhancements Sensitivity of an SPR-Biosensor. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :393-396
URL: http://opsi.ir/article-1-2584-en.html
URL: http://opsi.ir/article-1-2584-en.html
1- Electrical and Computer Engineering Faculty, Hakim Sabzevari University, Sabzevar, Iran
Abstract: (743 Views)
In this paper, the effect of Blue Phosphorene - transition metal dichalcogenides (Blue P-TMDs) van der Waals (vdW) Heterostructure layer with different thickness on the structure of surface plasmon resonance (SPR) biosensor in a Lumerical software environment is simulated and investigated. The main structure is based on the structure of Kretschmann and the use of the BK7 prism, the gold(Au) layer, and the end layer of Blue P-TMDs or Blue P-MX2(MoS2, MoSe2,WS2,WSe2). It was observed that the minimum reflectance of 0.002 is achieved for Au(30nm) / Blue P-WSe2(6-Layer). The combination also yields a sensitivity of 151.88°/RIU for Δn = 0.009 with a great detection accuracy of 0.087. While the main objective of this paper is to enhance sensitivity by proposing a new structure, the quality factor is almost high and acceptable.
Keywords: Surface Plasmon Resonance, Blue P-TMDs or Blue P-MX2 vdW heterostructure, Reflectance, Sensitivity, Biosensor
Type of Study: Experimental |
Subject:
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