The phosphorescent state of dibenzothiophene
โ Scribed by Marcel Baiwir
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 786 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0022-2860
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The spin dipoJar interactions and the hyperfiie structure o?' the phosphorescent state of 2,1,3-benzothiadiazole have been measured in a naphthalene host crystal at 77 K. Preliminary transient study indicates the short in-plane spin substate is the active component in the triplet population.
A consideration of the electronic coupling part of the non-radiative rate constant shows that this factor is importsnt in determining complmtive features of radiationless transitions in some heterocyciics. Some symmetry ruler for radiationless processes nrr? discusSed, and simptc MO theory is used t
The phosphorescence spectra, ODMR, and triplet sublc~el kinetics are reported for the thioketoncs, 4H-p\-ran4thionc (Pr) and 2,6dimethyl4H-pyran4thione (DMPT). Extremely large ZFS parameters. D = -24, and -28 cm-'. arc ass@ntld to two distinct trap sites of PT in Jz-pentnne and D = -24 cm-1 for the