Table 1 Summary of the absorption λ_max, emission λ_max, Stokes shifts (SS) and quantum yields (QYs) of Cy7-CA, Cy7-NEt2-I and Cy7.5-NEt2-I in DCM and polymer films.
Absorption \({\lambda }_{max}\) (nm) | Emission \({\lambda }_{max}\) (nm) | SS (nm) | QY (%) | ||
|---|---|---|---|---|---|
Cy7-CA | Solution | 760 (1.631 eV) | 787 (1.575 eV) | 27 | 24 ± 1 |
Polymer | 762 (1.627 eV) | 788 (1.573 eV) | 26 | 19 ± 1 | |
Cy7-NEt2-I | Solution | 700 (1.771 eV) | 784 (1.581 eV) | 84 | 30 ± 2 |
Polymer | 710 (1.746 eV) | 780 (1.590 eV) | 70 | 26 ± 1 | |
Cy7.5-NEt2-I | Solution | 738 (1.680 eV) | 819 (1.514 eV) | 81 | 23 ± 1 |
Polymer | 746 (1.662 eV) | 816 (1.519 eV) | 70 | 15 ± 1 | |
