1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Effect of donor-acceptor interaction strength on excitation energy migration and diffusion at high donor concentrations
Rent:
Rent this article for
USD
10.1063/1.2354152
/content/aip/journal/jcp/125/14/10.1063/1.2354152
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/14/10.1063/1.2354152

Figures

Image of FIG. 1.
FIG. 1.

Steady-state absorption (a) and fluorescence spectrum (b) of ; absorption (c) and fluorescence spectrum (d) of in thin films of PVA.

Image of FIG. 2.
FIG. 2.

Fluorescence spectra of in thin films (thickness of ) of PVA with varying concentrations of DMOCI as (a) , (b) , (c) , (d) , (e) , and (f) .

Image of FIG. 3.
FIG. 3.

Fluorescence decay curves for with [DMOCI] of (a) ; (b) in PVA (top panel). IRF is the instrument response function. The solid line in profile (a) is a single exponential fit and the corresponding residual is shown in panel A. The solid line in profile (b) is a Förster fit. The residuals for single exponential and Förster fits for this are shown in panels B and C, respectively.

Image of FIG. 4.
FIG. 4.

Fluorescence decay curve for in the presence of in methanol (top panel). IRF is the instrument response function. The solid line is the Yokota-Tanimoto fit. The residuals for single exponential (panel A) and Yokota-Tanimoto fit (panel B) are shown at the bottom.

Image of FIG. 5.
FIG. 5.

Plot of the observed values of the reduced concentration [from Förster fit in PVA and from Yokota-Tanimoto fit in methanol] vs acceptor concentration for . The solid lines are the linear fits for the data points.

Image of FIG. 6.
FIG. 6.

Plot of energy transfer efficiency vs acceptor concentration for . Panel A shows the values obtained from Förster fit (-엯-), spectroscopic measurements (-●-), and after including the migration effects (-▴-) in PVA. Panel B shows the values obtained from Yokota-Tanimoto fit (-▴-) and spectroscopic measurements (-●-) in methanol.

Image of FIG. 7.
FIG. 7.

Fluorescence decay curve profile for in presence of (film thickness of ). IRF is the instrument response function. The solid line is the double exponential fit with Eq. (13). The bottom panel shows the residuals.

Tables

Generic image for table
Table I.

Photophysical parameters for C47-DMOCI system by using .

Generic image for table
Table II.

Experimentally obtained parameters in PVA at for single exponential fit [Eq. (4)] and Förster fit [Eq. (5)] .

Generic image for table
Table III.

Experimentally observed and calculated values of various parameters in PVA [Spectroscopically obtained critical transfer distance, ].

Generic image for table
Table IV.

Experimentally observed values of various parameters in methanol (at ) for single exponential [Eq. (4)] and Yokota-Tanimoto fit [Eq. (10)] .

Generic image for table
Table V.

Comparison of observed value of in solid matrix and in liquid .

Generic image for table
Table VI.

Comparison of calculated values of rate of energy transfer in PVA and methanol. .

Generic image for table
Table VII.

The observed lifetimes and amplitudes at .

Loading

Article metrics loading...

/content/aip/journal/jcp/125/14/10.1063/1.2354152
2006-10-09
2014-04-20
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of donor-acceptor interaction strength on excitation energy migration and diffusion at high donor concentrations
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/14/10.1063/1.2354152
10.1063/1.2354152
SEARCH_EXPAND_ITEM