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ossila材料mMDBA-DI

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产品名称: ossila材料mMDBA-DI
产品型号: 2770257-85-5
产品展商: Ossila
产品文档:
 MSDS mmdba-di

简单介绍


ossila材料mMDBA-DI  的详细介绍

mMDBA-DI, namely 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, is a D-A type MR-TADF emitter that features a faster kRISC of 1.5 × 106 s−1. Among the developed TADF sensitizers, the mMDBA-DI demonstrates deep blue color with a high horizontal dipole orientation ratio of 0.82 and PLQY of 97.8%. mMDBA-DI has large spectrum overlap with v-DABNA, hyperfluorescence (HF) device with mMDBA-DI exhibits EQEmax of 39.9% with max electroluminescence of 474 nm and 19 nm of FWHM.

Also, Hyperfluorescence device based on TADF host material, mMDBA-DI, and a pure blue multi-resonance type tert-butyl substituted TADF fluorescence emitter t-Bu-ν-DABNA exhibits a high external quantum efficiency of 39.1% along with narrow emission with full width at half maximum of 19 nm (CIE y = 0.15).

General Information


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.

Product Details


Purity Sublimed* >99% (HPLC)
Melting point TGA: Td = 470 °C, DSC: Tg = 232 °C
Appearance White powder/crystals
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