A Study of the Electronic Absorption and Emission Spectra of DBDMA Dye: Solvent Effect, Energy Transfer, and Fluorescence Quenching

Table 2

The effect of solvent’s polarity on HOMO energy, LUMO energy, HOMO-LUMO energy gap (), zero-point energy (ZPE), and dipole moment (μ) of DBDMA.

Solvents	Polarity	EHOMO (eV)	ELUMO (eV)	(eV)	ZPE (eV)	μ (D)
Gas	—	−7.865	−5.783	2.082	−31948.714	4.44
Carbon tetrachloride	0.052	−5.920	−2.843	3.077	−31948.904	5.05
Methylene chloride	0.259	−5.939	−2.847	3.092	−31834.710	5.56
Chloroform	0.309	−5.933	−2.840	3.093	−31949.013	5.40
Acetone	0.355	−5.945	−2.850	3.095	−31949.122	5.67
Dimethyl sulfoxide	0.444	−5.947	−2.852	3.096	−31949.130	5.67