Table 5 Comparison between this work and other previously published literature.

From: Highly sensitive label-free biosensor: graphene/CaF2 multilayer for gas, cancer, virus, and diabetes detection with enhanced quality factor and figure of merit

Design

Highest sensitivity (nm/RIU)

References

A label-free graphene-based nanosensor using surface plasmon resonance

333.3

72

MoS2–graphene hybrid nanostructures enhanced localized surface plasmon resonance biosensors

360

73

Refractive Index Biosensor Using Metamaterial Perfect Absorber Based on Graphene

2500

74

Gold Metasurface Array

3500

75

Graphene and C-Shaped Metasurface

3846

8

Deformed Graphene

4990

76

Graphene-based Chiral Metasurface

6600

77

photonic crystal fiber based on gold-graphene layers

8600

78

Propose multilayer graphene grating biosensor

38,000

This work

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