Table 1. Emission Maxima and Luminescence Lifetimes of Iridium-Modified Gold Surfaces upon the Addition of PFOAa.
| name | λem (nm) | τ (ns) | |
|---|---|---|---|
| IrC6@Au | 570 | 13 ± 1 (21%) | 150 ± 4 (79%) |
| IrC6@Au + PFOA | 561 | 49 ± 3 (24%) | 191 ± 2 (76%) |
| IrC6–FSA@Au | 562 | 119 ± 6 (19%) | 446 ± 5 (81%) |
| IrC6–FSA@Au + PFOA | 571 | 76 ± 1 (25%) | 307 ± 7 (75%) |
| IrC12@Au | 574 | 32 ± 3 (26%) | 165 ± 2 (74%) |
| IrC12@Au + PFOA | 560 | 54 ± 2 (23%) | 194 ± 3 (77%) |
| IrC12–FSA@Au | 569 | 167 ± 5 (20%) | 502 ± 4 (80%) |
| IrC12–FSA@Au + PFOA | 578 | 93 ± 7 (25%) | 308 ± 3 (75%) |
a
PFOA solutions added: 1 g/L for IrC6@Au and IrC12@Au and 10 mg/L for IrC6-FSA@Au, IrC12-FSA@Au. The amplitude of each lifetime component is shown in brackets. Estimated errors: λem ± 1 nm and luminescence lifetime error with standard deviation (n = 3).