Models for specific counterion effects on the incorporation of charged amphiphilic substrates into like-charged ionic micelles

Journal Article · Thu Oct 27 04:00:00 EDT 1983 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100245a020· OSTI ID:6922732

Miola, L; Abakerll, R B; Ginani, M F; Fllho, P B; Toscano, V G; Quina, F H

Data for the quenching of the fluorescence of two anthracene-derived amphiphilic fluorescence probes (ethyldimethyl-(I) and trimethyl(3-(9-anthracenyl)propyl)ammonium bromide (II)) in aqueous micellar solutions of the quencher detergents N-hexadecylpyridinium chloride (HPCl), bromide (HPBr), and nitrate (HPNO/sub 3/) are analyzed in terms of a photophysical model which assumes static quenching of the micelle-incorporated probe and dynamic quenching of the residual fluorescence of the unincorporated probe by free detergent monomer and free counterions. This analysis provides values for the ground-state probe incorporation coefficient K/sub s/ which are compatible with independent estimates based on the quenching of the emission of the micelle-excluded Ru(bpy)/sub 3//sup 2 +/ ion by I under the same conditions. The results show that the incorporation coefficient is sensitive to the concentration of detergent and added salt present. 4 figures, 2 tables.

• Research Organization: Universidade de Sao Paulo, Brazil
• OSTI ID: 6922732
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 87:22; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140505 -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)
400500 -- Photochemistry
ADDITIVES
ALKALI METAL COMPOUNDS
ALKANES
AMINES
AMMONIUM CHLORIDES
AMMONIUM COMPOUNDS
AMMONIUM HALIDES
AMMONIUM NITRATES
AROMATICS
AZINES
BROMIDES
BROMINE COMPOUNDS
CHEMICAL COMPOSITION
CHLORIDES
CHLORINE COMPOUNDS
COLLOIDS
COMPLEXES
CONDENSED AROMATICS
DATA
DETERGENTS
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EMISSION SPECTRA
EMULSIFIERS
EMULSIONS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
INFORMATION
IONIZATION
MATHEMATICAL MODELS
MICELLAR SYSTEMS
MICROEMULSIONS
MONITORING
NITRATES
NITROGEN COMPOUNDS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PHOTOIONIZATION
PHYSICAL PROPERTIES
POTASSIUM BROMIDES
POTASSIUM COMPOUNDS
POTASSIUM NITRATES
POTENTIALS
PYRIDINES
PYRIDINIUM COMPOUNDS
QUANTITY RATIO
QUATERNARY COMPOUNDS
RUTHENIUM COMPLEXES
SAMPLE PREPARATION
SODIUM CHLORIDES
SODIUM COMPOUNDS
SPECTRA
SURFACE POTENTIAL
SURFACTANTS
TRANSITION ELEMENT COMPLEXES
WATER
WETTING AGENTS