Table 1 Photophysical data of G1@C[3]A ~ G7@C[3]A

From: A general supramolecular strategy for fabricating full-color-tunable thermally activated delayed fluorescence materials

Entry

G1@C[3]A

G2@C[3]A

G3@C[3]A

G4@C[3]A

G5@C[3]A

G6@C[3]A

G7@C[3]A

λabsa [nm]

288/374

288/380

288/383

288/395

288/409

288/413

288/425

λemb [nm]

440

474

493

513

540

570

610

ΦPLc [%]

24

87

62

65

45

20

14

ΦFd [%]

21

49

48

9

12

15

12

ΦTADFe [%]

3

38

14

56

33

5

2

τFf [ns]

95

286

300

470

92

211

44

τTADFg [μs]

0.6

5.3

4.9

2.6

1.8

4.0

0.9

ES/ETh [eV]

3.117/3.098

2.892/2.888

2.817/2.812

2.730/2.723

2.570/2.568

2.463/2.460

2.309/2.296

ΔESTi [meV]

19

4

5

7

2

3

13

Eg optj [eV]

3.03

2.86

2.73

2.66

2.57

2.49

2.31

  1. aAbsorption peak wavelength.
  2. bPL emission maximum.
  3. cTotal PLQY under vacuum at room temperature evaluated using an integrating sphere.
  4. dFractional PLQY for prompt fluorescence calculated from transient PL experiments and total PLQY measurements.
  5. eFractional PLQY for delayed fluorescence calculated from transient PL experiments and total PLQY measurements.
  6. fPrompt fluorescence lifetime obtained from transient PL experiments.
  7. gDelayed fluorescence lifetime obtained from transient PL experiments.
  8. hS1 and T1 energy levels estimated from the onsets fluorescence at room temperature and phosphorescence spectra at 77 K.
  9. iSinglet-triplet energy gap (ΔEST) calculated from ES and ET.
  10. jOptical gap from Tauc plot.
Back to article page