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Supplementary Materials

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  • Experimental section
  • Fig. S1. Contours and energy levels of the first four highest occupied (HOMO to HOMO-3) and lowest unoccupied molecular orbitals (LUMO to LUMO+3) of DBFDP2Cu4I4.
  • Fig. S2. Contours and energy levels of the first four highest occupied (HOMO to HOMO-3) and lowest unoccupied molecular orbitals (LUMO to LUMO+3) of DCzDBFDP2Cu4I4.
  • Fig. S3. Contours and energy levels of the first four highest occupied (HOMO to HOMO-3) and lowest unoccupied molecular orbitals (LUMO to LUMO+3) of DtBCzDBFDP2Cu4I4.
  • Fig. S4. Contours of HONTO and HONTO-1 and LUNTO and LUNTO+1, transition weight (σ) and oscillator strength (f  ), and overlap integral (<ΨHL>) of singlet and triplet transitions of DBFDP2Cu4I4.
  • Fig. S5. Contours of HONTO and HONTO-1 and LUNTO and LUNTO+1, transition weight (σ) and oscillator strength (f), and overlap integral (<ΨHL>) of singlet and triplet transitions of DCzDBFDP2Cu4I4.
  • Fig. S6. Contours of HONTO and HONTO-1 and LUNTO and LUNTO+1, transition weight (σ) and oscillator strength (f), and overlap integral (<ΨHL>) of singlet and triplet transitions of DtBCzDBFDP2Cu4I4.
  • Fig. S7. Time-decay curves of HE emissions for DArDBFDP2Cu4I4 in the temperature range from 88 to 300 K.
  • Fig. S8. Emission lifetime variation of HE emissions for DArDBFDP2Cu4I4 in the temperature range from 88 to 300 K.
  • Fig. S9. Time decay curves of HE and LE emissions for DArDBFDP2Cu4I4 in CH2Cl2 at room temperature.
  • Fig. S10. Thermogravimetric curves of DArDBFDP2Cu4I4.
  • Fig. S11. Cyclic voltammogram of DArDBFDP2Cu4I4 measured at room temperature with a scanning rate of 100 mV s−1.
  • Fig. S12. Single-crystal packing diagram of DCzDBFDP2Cu4I4 and DtBCzDBFDP2Cu4I4.
  • Fig. S13. Luminance versus current density (J) relationship of the DArDBFDP2Cu4I4-based devices.
  • Fig. S14. EL performance of DtBCzPDP2Cu2I2.
  • Fig. S15. 1H NMR spectrum of 2,8-dibromodibenzofuran in CDCl3.
  • Fig. S16. 1H NMR spectrum of 2,8-di(carbazol-9-yl)dibenzofuran in CDCl3.
  • Fig. S17. 1H NMR spectrum of 2,8-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)dibenzofuran in CDCl3.
  • Fig. S18. 1H NMR spectrum of DCzDBFDP in CDCl3.
  • Fig. S19. 1H NMR spectrum of DtBCzDBFDP in CDCl3.
  • Fig. S20. 1H NMR spectrum of DCzDBFDP2Cu4I4 in CDCl3.
  • Fig. S21. 1H NMR spectrum of DtBCzDBFDP2Cu4I4 in CDCl3.
  • Table S1. Physical properties of DArDBFDP2Cu4I4.
  • Table S2. EL performance of OLEDs based on the reported clusters and DArDBFDP2Cu4I4.
  • References (4043)

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