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Volume 20
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10.3390/s20010131
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Article

Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide

by
Yue Jia
1,†,
Zhongfu Li
1,†,
Haiqi Wang
1,
Muhammad Saeed
2 and
Houzhi Cai
1,*
1
College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
2
Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
*
Author to whom correspondence should be addressed.
†
These two authors have equal contributions.
Sensors 2020, 20(1), 131; https://doi.org/10.3390/s20010131
Submission received: 10 November 2019 / Revised: 16 December 2019 / Accepted: 17 December 2019 / Published: 24 December 2019
(This article belongs to the Section Biomedical Sensors)
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Abstract

The extraordinary optoelectronic properties of platinum diselenide (PtSe2), whose structure is similar to graphene and phosphorene, has attracted great attention in new rapidly developed two-dimensional (2D) materials beyond the other 2D material family members. We have investigated the surface plasmon resonance (SPR) sensors through PtSe2 with the transfer matrix method. The simulation results show that the anticipated PtSe2 biochemical sensors have the ability to detect analytic. It is evident that only the sensitivities of Ag or Au film biochemical sensors were observed at 118°/RIU (refractive index unit) and 130°/RIU, whereas the sensitivities of the PtSe2-based biochemical sensors reached as high as 162°/RIU (Ag film) and 165°/RIU (Au film). The diverse biosensor sensitivities with PtSe2 suggest that this kind of 2D material can adapt SPR sensor properties.
Keywords: biosensor; Kretschmann; PtSe2; SPR; transition metal dichalcogenides (TMDCs) biosensor; Kretschmann; PtSe2; SPR; transition metal dichalcogenides (TMDCs)

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MDPI and ACS Style

Jia, Y.; Li, Z.; Wang, H.; Saeed, M.; Cai, H. Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide. Sensors 2020, 20, 131. https://doi.org/10.3390/s20010131

AMA Style

Jia Y, Li Z, Wang H, Saeed M, Cai H. Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide. Sensors. 2020; 20(1):131. https://doi.org/10.3390/s20010131

Chicago/Turabian Style

Jia, Yue, Zhongfu Li, Haiqi Wang, Muhammad Saeed, and Houzhi Cai. 2020. "Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide" Sensors 20, no. 1: 131. https://doi.org/10.3390/s20010131

APA Style

Jia, Y., Li, Z., Wang, H., Saeed, M., & Cai, H. (2020). Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide. Sensors, 20(1), 131. https://doi.org/10.3390/s20010131

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