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ossila材料tDPA-DtCzB

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产品名称: ossila材料tDPA-DtCzB
产品型号: 2760492-67-7
产品展商: Ossila
产品文档:
 MSDS tDPA-DtCzB

简单介绍


ossila材料tDPA-DtCzB  的详细介绍

tDPA-DtCzB is a sky-blue MR-TADF emitter with high thermal stability and alleviated efficiency roll-off. tDPA-DtCzB consists of an indolo[3,2,1-de]indolo[3',2',1':8,1][1,4]benzazaborino[2,3,4-kl]phenazaborine (CzBN) core with peripheral tert-butyl groups, and a di(tert-butylphenyl)amine attached to the CzBN core opposite to the boron atom. The sterically hindered groups help to reduce the contact between neighbouring molecules and the formation of triplet excitons.

OLED based on tDPA-DtCzB as the emitter exhibits a narrowband sky-blue emission with the full-width at half-maximum (FWHM) of 29 nm, the maximum external quantum efficiency (EQE) of 31.0%, and a high EQEmax of 23.3% at the practical high luminance of 1000 cd m−2.

General Information


CAS Number 2760492-67-7
Chemical Formula C66H74BN3
Molecular Weight 920.12 g/mol
Absorption λmax  456 nm (in Toluene)
Photoluminescence λem  470 nm (in Toluene), FWHM = 21 nm
HOMO/LUMO HOMO = - 5.24 eV, LUMO = - 2.38 eV
Synonyms tDPA-DtCzB, 4-(4',4'-Di-tert-butyldiphenylamine)-2,6-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)boron
Classification or Family Indolo[3,2,1-de]indolo[3',2',1':8,1][1,4]benzazaborino[2,3,4-kl]phenazaborine (CzBN) derivative, Triphenylboron, MR-TADF blue emitter, TADF dopant materials, Sublimed materials

Product Details


Purity Sublimed ≥99%
Melting point Td = 499 °C
Appearance Yellow greenish powder/crystals
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