Fig. 4: Verification of the suitability of the strategy for different structures. | Nature Communications

Fig. 4: Verification of the suitability of the strategy for different structures.

From: Stepwise taming of triplet excitons via multiple confinements in intrinsic polymers for long-lived room-temperature phosphorescence

Fig. 4

a Mechanism of stepwise confinement in a polymeric compound. b Vertical excitation energy of the optimized and simplified model B3. c Phosphorescence decay behavior under 254 nm at ambient conditions in different systems. d, e Phosphorescence spectra (d) and lifetime (e) excited by 300 nm (enlargement unit is μs). f CIE coordinates of each example after crosslinking. Fluo. fluorescence, Phos. phosphorescence, Exc. excitation, ISC intersystem crossing, Non-rad. nonradiative decay.

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