Table 1 Photophysical data of 3 F in different organic matrices by experiment and dipole moment of the ground-state organic matrices by TD-DFT calculation

From: Room-temperature phosphorescent transparent wood

Entry

λF (nm)

λP (nm)

S1 (eV)

T1 (eV)

Dipole moment of ground-state matrix (Debye)

ΔEST (eV)

3F-PS

413

531

3.00

2.34

0.4580

0.66

3F-PMMA

412

524

3.01

2.37

1.6943

0.64

3F-PhB

422

522

2.94

2.38

1.9406

0.56

3F-MeOBP

436a

522

2.84

2.38

2.8802

0.46

  1. aobtained from delayed emission spectra (the delayed fluorescence band at 436 nm) since the steady-state emission spectra are strongly interfered by MeOBP’s emission.
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