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ossila材料DCz-BTP

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产品名称: ossila材料DCz-BTP
产品型号: 1235883-57-4
产品展商: Ossila
产品文档:
 MSDS DCz-BTP

简单介绍


ossila材料DCz-BTP  的详细介绍

DCz-BTP is an asymmetric bipolar TADF host designed for  high-performance organic light-emitting diodes (OLEDs). DCz-BTP has a benzo[4,5]thieno[2,3-b]pyridine core skeleton with two electron-rich carbazole units attached. The incorporation of a pyridine fragment instead of dibenzothiophene enables strong intermolecular interactions, leading to satisfactory bipolar transporting properties. Comparing with the commonly used host materials such as mCP and DPEPO, pseudo-symmetric bipolar host DCz-BTP delivers lower driving voltage and enhanced electroluminescence performance. HF-OLEDs based on DCz-BTP host demonstrate a low turn-on voltage of 2.8 V and a maximum EQE of 20.5% using the 4TCzBN sensitizer and TBPe emitter.

Blue thermally activated delayed fluorescent OLEDs (TADF-OLEDs) based on 4TCzBN as the guest DCz-BTP as the bipolar host exhibit a low turn-on voltage of 2.8 V and a high maximum external quantum efficiency (EQEmax) of 29.0 %.

General Information


CAS Number 1235883-57-4
Chemical Formula C35H21N3S
Molecular Weight 515.63 g/mol
Absorption λmax 326, 339 nm (in toluene)
Photoluminescence λem 399 nm (in toluene)
HOMO/LUMO HOMO = - 5.63 eV, LUMO = - 2.21 eV (T1 = 2.96 eV)
Synonyms 3,6-Di(9H-carbazol-9-yl)benzo[4,5]thieno[2,3-b]pyridine
Classification or Family Benzo[4,5]thieno[2,3-b]pyridine derivative, MR-TADF bipolar host, Sublimed materials

Product Details


Purity Sublimed ≥99%
Melting Point Tg = 143 °C, Td = 425 °C (5% weight loss)
Appearance White to light-yellow powder/crystals
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