Fig. 3: Mechanism in realizing the highly efficient deep-blue OURTP. | Nature Communications

Fig. 3: Mechanism in realizing the highly efficient deep-blue OURTP.

From: Design of highly efficient deep-blue organic afterglow through guest sensitization and matrices rigidification

Fig. 3

a, b Temperature-dependent phosphorescence spectra of CT5-0 (a) and CT5-40 (b) from 278 to 77 K excited at 248 nm. c DSC curves of CT5 with various water contents. d Solid state 13C-NMR spectra of CT5-40 and CT5-0. e XRD spectra of CA, CT5-0 and CT5-20. f Raman spectra of CA with 0 (CA-0) and 20 wt% (CA-20) water and CT5 with various water content. g Steady-state PL spectra of CT5-0 excited by 248 (blue) and 288 nm (red) UV-light. h PhQY of CT5-20 at different excitation wavelength. i Excitation spectra of CA and CT5-0 powders and TMA in ethanol. j Phosphorescence spectra of TMA in ethanol at 77 K and CT5-20 at 298 K excited by 248 and 288 nm after 30 ms delay. k Proposed mechanism for the highly luminescent deep-blue OURTP.

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