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Effect of alkyl chain length and size of the headgroups of the surfactant on solvent and rotational relaxation of Coumarin 480 in micelles and mixed micelles
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10.1063/1.1895722
/content/aip/journal/jcp/122/18/10.1063/1.1895722
http://aip.metastore.ingenta.com/content/aip/journal/jcp/122/18/10.1063/1.1895722

Figures

Image of Scheme 1.
Scheme 1.

Structure of Coumarin 480 (C-480).

Image of FIG. 1.
FIG. 1.

Absorption and emission spectra of C-480 in water (solid line), CDAB micelles (dashed line), and CDAB–CTAB (dotted line) mixed micelles.

Image of FIG. 2.
FIG. 2.

Fluorescence decays of C-480 in CTAB–DTAB mixed micelles at (i) instrument response function, (ii) , (iii) , and (iv) .

Image of FIG. 3.
FIG. 3.

Time-resolved emission spectra of C-480 in TTAB micelles at (i) (∎), (ii) (●), (iii) (▴), and (iv) (×).

Image of FIG. 4.
FIG. 4.

Decay of solvent correlation function of C-480 in (a) DTAB (∎) micelles and CTAB (×) micelles and (b) CTAB-DTAB (∎) mixed micelles and CTAB-CDAB (×) mixed micelles.

Image of FIG. 5.
FIG. 5.

Decay of fluorescence anisotropy of C-480 in CDAB micelles (엯) and DTAB micelles (×).

Image of Scheme 2.
Scheme 2.

Schematic structure of mixed micelles.

Tables

Generic image for table
Table I.

Steady state absorption and emission maxima of C-480 in different micelles, mixed micelles, and water and critical micellar concentration of different micelles.

Generic image for table
Table II.

Decay parameters of of C-480 in different micelles and mixed micelles.

Generic image for table
Table III.

Rotational relaxation time of C-480 in different micelles and mixed micelles.

Generic image for table
Table IV.

Analytical parameters obtained from the anisotropy decays of C-480 in different micelles and mixed micelles.

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/content/aip/journal/jcp/122/18/10.1063/1.1895722
2005-05-12
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of alkyl chain length and size of the headgroups of the surfactant on solvent and rotational relaxation of Coumarin 480 in micelles and mixed micelles
http://aip.metastore.ingenta.com/content/aip/journal/jcp/122/18/10.1063/1.1895722
10.1063/1.1895722
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