Ground and excited state dipole moments of coumarin laser dyes: Investigation by electro-optical absorption and emission methods
โ Scribed by N.A Nemkovich; H Reis; W Baumann
- Book ID
- 108344695
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 793 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0022-2313
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Electric field-induced changes in the absorption spectrum (electrochromism) have been used to obtain the ground (S,) and second excited (S,) state dipole moments of two sulphur-containing heteroaromatics, pyranthione and xanthione, which have Czy symmetry. The magnitude of the change in the dipole m
The ground state (l g ) and the excited state (l e ) dipole moments of three laser dyes namely 2, 5-diphenyl-1, 3, 4-oxadiazole (PPD), 2, 2 00 -dimethyl-p-terphenyl (DMT) and 1, 3-diphenyl benzene (MT) were studied at room temperature in various solvents. The ground state dipole moments (l g ) of al