Table 2. Layer model and fitting parameters for the gold film containing a monolayer of R6G molecules.
| Layer | ERGO film |
R6G/ERGO film |
△ |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| d | ε′ | ε″ | d | ε′ | ε″ | ∆ d | ∆ ε′ | ∆ε′ | |||
| 1 | Prism | ∞ | 3.4 | 0 | Prism | − 4.4 | 3.4 | 0 | 0 | 0 | 0 |
| 2 | Cr | 2.1 | −4.4 | 18.1 | Cr | 2.1 | −4.4 | 18.1 | 0 | 0 | 0 |
| 3 | Gold | 50.0 | −11.5 | 1.4 | Gold | 50.0 | −11.5 | 1.4 | 0 | 0 | 0 |
| 4 | ERGO | 1.1 | 7.4 | 2.3 | ERGO | 1.1 | 12.7 | 2.3 | 0 | 5.3 | 0 |
| 5 | Air | ∞ | 1 | 0 | R6G | 0.6 | 4.4 | 5.9 | – | – | – |
| 6 | Air | ∞ | 1 | 0 | – | – | – | ||||
Comparison of the changes in the dielectric constant as a function of the monolayer of R6G molecules on ERGO.