Hohance Chemistry | Looshine (Shanghai) Pharmaceutical Technology Co., Ltd

mMDBA-DI

Product name: mMDBA-DI

CAS Number: 2770257-85-5

Chemical formula: C56H36BN3O2

Molecular weight: 793.73 g/mol

Absorption:   λmax 371 nm (in toluene)

Fluorescence: λem 451 nm (in toluene)

HOMO/LUMO:     HOMO = 5.48 eV, LUMO = 2.57 eV (ΔEST = 0.12 eV)

Synonyms:     5-(3,11-Dimethyl-5,9-dioxa-13b-boranaphtho[3,2,1-de]anthracen-7-yl)-10,15-diphenyl-10,15-dihydro-5H-diindolo[3,2-a:3',2'-c]carbazole

Classification or Family: Triaryboron derivatives, Diindolo[3,2-a:3',2'-c]carbazole, TADF host, Blue dopant, Multiresonance thermally activated delayed fluorescent (MR-TADF), Sublimed materials.

Purity: Sublimed >99% (HPLC)

Melting point: TGA: Td = 470 °C, DSC: Tg = 232 °C

Appearance: White powder/crystals

Device structure: ITO (50 nm)/HATCN (7 nm)/TAPC (50 nm)/DCDPA* (10 nm)/DBFPO:30% mMDBA-DI (25 nm)/DBFPO (5 nm)/TPBi (20 nm)/LiF (1.5 nm)/Al (100 nm)

Colour: Blue light emission at 474 nm, (0.14, 0.23)

Max Current Efficiency: 38.2 cd/A

FWHM: 60 nm

Max EQE: 31.8%