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Journal of Sensors
/
2019
/
Article
/
Tab 3
/
Research Article
Enhanced Sensitivity of Surface Plasmon Resonance Biosensor Functionalized with Doped Polyaniline Composites for the Detection of Low-Concentration Acetone Vapour
Table 3
Optical constants values used in SPR studies.
Material
Refractive index (
)
(633 nm)
Extinction coefficient (
)
(633 nm)
Real part dielectric constant
(633 nm)
Ref.
Dry air
1.0026
[
65
]
PANI/chitosan
1.8957
0.0910
3.5853
Equations ((
1
)–(
12
))
Ternary
2.6973
0.1249
7.2599
Equations ((
1
)–(
12
))
Acetone vapour
1.0011
—
—
[
65
]
SF11 glass prism
1.7786
3.8652E-08
3.1633
[
77
]