Table 1 The absorption maximum wavelengths (λAbs), the molar extinction coefficients at λAbs (ε) the fluorescence emission maxima (λEm) the quantum yields (Φf) and full width at half maximum (FHWM) determined in various solvents for 1,5-diisocyanonaphthalene (1,5-DIN).
From: Aromatic pi-complexation of 1,5-diisocyanonaphthalene with benzene derivatives
Solvent | λAbs,1 (nm) | ε1 × 10− 3 (M− 1cm− 1) | λAbs,2 (nm) | ε2 × 10− 3 (M− 1cm− 1) | λEm (nm) | Φf (%) | FWHM (nm) |
|---|---|---|---|---|---|---|---|
Benzene | 303 | 12.4 | 317 | 9.44 | 338, 348 | 31.7 | 39.4 |
Toluene | 302 | 11.0 | 317 | 7.88 | 354 | 21.4 | 50.3 |
Pyridine | 304 | 9.8 | – | – | 337, 352 | 0.7 | – |
Ethylbenzene | 303 | 10.8 | 317 | 7.67 | 354 (340sh1) | 16.6 | 54.0 |
Trifluorotoluene | 300 | 11.6 | 314 | 7.99 | 330, 335, 346 | 23.1 | 33.0 |
p-Xylene | 304 | 9.43 | 316 | 7.27 | 380 | 28.3 | 61.0 |
m-Xylene | 304 | 10.5 | 317 | 8.03 | 365 | 35.9 | 56.0 |
o-Xylene | 304 | 13.2 | 317 | 8.80 | 373 | 48.6 | 58.7 |
Benzonitrile | 304 | 10.1 | 318 | 7.68 | 338, 349 | 14.8 | 41.4 |
Chlorobenzene | 304 | 11.1 | 317 | 8.01 | 339 349 | 6.8 | 42.6 |
Bromobenzene | 305 | 10.2 | 318 | 7.39 | – | 0.2 | – |
ODCB2 | 304 | 10.5 | 318 | 7.69 | 340, 349 | 5.8 | 43.4 |
Acetonitrile | 300 | 11.4 | 300 | 11.4 | 330, 345 | 20.6 | – |
Benzyl chloride | 304 | 10.2 | 317 | 7.56 | 355 (340sh1) | 3.0 | 48.3 |
Benzylamine | 304 | 11.1 | 318 | 8.04 | – | – | – |
Benzylalcohol | 305 | 10.0 | 318 | 7.47 | 356 | 32.5 | 57.0 |
Mesitylene | 303 | 8.4 | 317 | 6.87 | 374 | 21.2 | 57.0 |
