Table 1 DeepHL-predicted HOMO and LUMO energies and DLOS-predicted optical and photophysical properties of TDBA-pyCz and DPAc-Cz (Experiment / Prediction).

From: Deep learning for development of organic optoelectronic devices: efficient prescreening of hosts and emitters in deep-blue fluorescent OLEDs

 

HOMO (eV)

LUMO (eV)

λabsmax (nm)

λemimax (nm)

ΦPL (%)

TDBA-pyCz in CH2Cl2

−5.71a / −5.67

−2.64a / −2.74

387b / 379c

404b / 426c

e / 62c

TDBA-pyCz in toluene

e / −5.71

e / −2.79

387b / 381c

404b / 416c

60d / 72c

TDBA-pyCz film

−5.93a / −5.84

−2.95a / −2.93

389b / 382c

420b / 446c

18d / 36c

TDBA-pyCz-doped DPAc-Cz film

e / −5.85

e / −2.94

343b / 394c

415b / 441c

39d / 74c

DPAc-Cz in CH2Cl2

−5.15a / −5.29

−1.75a / −2.05

342b / 320c

383b / 396c

e / 25c

DPAc-Cz in toluene

e / −5.36

e / −2.14

342b / 317c

372b / 385c

34d / 26c

DPAc-Cz film

−5.50a / −5.59

−2.10a / −2.37

343b / 329c

379b / 404c

21d / 37c

  1. aCyclic voltammograms in Supplementary Fig. 16.
  2. bUV-visible absorption and fluorescence spectra in Supplementary Figs. 18 and 19.
  3. cValues predicted by using DLOS55.
  4. dAbsolute PLQY obtained with neat/doped film of TDBA-pyCz (λexc = 350 nm) and DPAc-Cz (λexc = 320 nm) using an integrating sphere.
  5. eNot measured. λabsmax: Maximum absorption wavelength, λemimax: Maximum emission wavelength, ΦPL: Absolute photoluminescence quantum yield.