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Triplet exciton diffusion in fac-tris(2-phenylpyridine) iridium(III)-cored electroluminescent dendrimers
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10.1063/1.1867571
/content/aip/journal/apl/86/9/10.1063/1.1867571
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1867571

Figures

Image of FIG. 1.
FIG. 1.

Absorption and PL spectra of 80 nm thick neat films of the Ir-G1 (dotted lines), Ir-G2 (solid lines), and Ir-Carb dendrimer (dashed lines). Inset shows the chemical structures of Ir-G1, Ir-G2, and Ir-Carb dendrimers. -ethylhexyl.

Image of FIG. 2.
FIG. 2.

Intensity dependent PL kinetics of (a) Ir-G1, (b) Ir-G2, and (c) Ir-Carb neat film. Detection wavelength were at the peak of the emission wavelengths.

Image of FIG. 3.
FIG. 3.

Dependence of hopping rates on the distance of the closest sites of the dendrimers. Dotted line is fit with the Eq. (6) using . The solid line is the predicted dipole-dipole transfer rates for .

Tables

Generic image for table
Table I.

Triplet-triplet annihilation constant , center to center distance , current density , diffusion coefficient , diffusion length , and hopping rate of the dendrimer films.

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/content/aip/journal/apl/86/9/10.1063/1.1867571
2005-02-24
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Triplet exciton diffusion in fac-tris(2-phenylpyridine) iridium(III)-cored electroluminescent dendrimers
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1867571
10.1063/1.1867571
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