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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.
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.
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 .
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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