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Figure 4
Visible luminescence spectra of films of the iridium complexes FIrpic and btpy2Ir(acac) in a PVK polymer host. The excitation energy was 286 eV, and the total acquisition time was 10 min per spectrum. |
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Figure 4
Visible luminescence spectra of films of the iridium complexes FIrpic and btpy2Ir(acac) in a PVK polymer host. The excitation energy was 286 eV, and the total acquisition time was 10 min per spectrum. |