Research Article
Polymethine Dye as Sensors of NH3 and CO
Table 2
The spectral position of the long-wavelength absorption band of PMD complex with ammonia molecule.
| | PMD molecule | (), first position NH3 | (), second position NH3 | The oscillator strength in the second case |
| | PMD-I | 472.54 (+0.02) | 466.44 (−6.08) | 0.959 | | PMD-II | 460.07 (−4.09) | 455.47 (−8.69) | 0.992 | | PMD-III | 470.65 (−0.38) | 465.76 (−5.27) | 0.983 | | PMD-IV | 468.15 (+3.35) | 455.34 (−9.46) | 1.020 | | PMD-V | 535.40 (+0.22) | 530.61 (−4.57) | 0.800 | | PMD-VI | 529.00 (+0.76) | 523.70 (−4.54) | 0.864 | | PMD-VII | 535.10 (−0.26) | 529.58 (−5.78) | 0.838 | | PMD-VIII | 536.43 (+0.20) | 531.42 (−4.81) | 0.882 |
|
|
