Table 1 Steady-state absorption and emission spectrum of carotene and carotenal in PS and PEG films.
From: Metal-enhanced fluorescence and excited state dynamics of carotenoids in thin polymer films
Polymer | Absorption (nm) | Emission | ||
---|---|---|---|---|
Without SIF (nm) | With SIF (nm) | Enhancement | ||
all-trans-β-carotene (carotene) | ||||
PS | 471, 498 | 568 | 550 | 3.4 |
PEG | 452, 475, 514 | 585 | 545 | 47.3 |
8′-apo-β-caroten-8′-al (carotenal) | ||||
PS | 482 | 595 | 595 | 4.0 |
PEG | 453, 496sh | 595 | 585 | 9.8 |