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Upstream product

• 65344-26-5 4-Iododibenzo-[b,d]furan 
• 1060735-19-4 9,9″-diphenyl-9H,9′H,9″H-3,3':6′,3″-tercarbazole 
• 1126522-69-7 9-phenyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane-2-yl)-9H-carbazole 
• 6825-20-3 3,6-dibromo-9H-carbazole 

Relevant academic research and scientific papers

Organic Electroluminescent materials and devices

Novel tricarbazole compounds are provided. By appropriately selecting the nature of the tricarbazole substituents, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer.

NITROGEN-CONTAINING AROMATIC HETEROCYCLIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING SAME

A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X1 to X3 are a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of X1 to X3 is a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.