20005-87-2

Basic information

• Product Name: o-Brom-tetraphenyl-ethylen
• Synonyms: o-Brom-tetraphenyl-ethylen
• CAS NO: 20005-87-2
• Molecular Weight: 411.341
• Mol File: 20005-87-2.mol

Chemical Properties

• CAS DataBase Reference: o-Brom-tetraphenyl-ethylen(CAS DataBase Reference)
• NIST Chemistry Reference: o-Brom-tetraphenyl-ethylen(20005-87-2)
• EPA Substance Registry System: o-Brom-tetraphenyl-ethylen(20005-87-2)

Safety Data

• Hazardous Substances Data: 20005-87-2(Hazardous Substances Data)

Upstream product

• 1607-57-4 Triphenylvinyl bromide 
• 108-86-1 bromobenzene 
• 119-61-9 benzophenone 
• 13047-06-8 o-bromobenzophenone 
• 2835-77-0 (2-aminophenyl)(phenyl)methanone 
• 1072-85-1 o-fluorobromobenzene 

Downstream Products

• 1440204-75-0 2,3'-bis(1,2,2-triphenylvinyl)biphenyl 
• 1440204-78-3 2,4'-bis(1,2,2-triphenylvinyl)biphenyl 
• 602-15-3 9,10-diphenylphenanthrene 
• 20005-89-4 o-Carboxy-tetraphenylethylen 

Relevant articles and documents

Synthesis of Tetraarylethene Luminogens by C?H Vinylation of Aromatic Compounds with Triazenes

Tetraarylethenes are obtained by acid-induced coupling of vinyl triazenes with aromatic compounds. This new C?H activation route for the synthesis of aggregation-induced emission luminogens is simple, fast, and versatile. It allows the direct grafting of triarylethenyl groups onto a variety of aromatic compounds, including heterocycles, supramolecular hosts, biologically relevant molecules, and commercial polymers.

Compound as well as light-emitting device and display device thereof

The invention relates to the technical field of organic light-emitting materials and in particular relates to a compound as well as a light-emitting device and a display device thereof. A structural formula of the compound is shown as a general formula I. The invention provides a TADF (Thermally Activated Delayed Fluorescence) material based on a tetraphenylethylene structure and the TADF material has TADF and AIE (Aggregation-Induced Emission) effects; a traditional fluorescent molecule transition forbidden triple-state exciton can be used for emitting light, and exciton quenching under high current density and doping concentration can also be avoided, so that the efficiency of the device can be remarkably improved. (The formula I is shown in the description.).

Similar or totally different: The control of conjugation degree through minor structural modifications, and deep-blue aggregation-induced emission luminogens for non-doped OLEDs

Four 4,4′-bis(1,2,2-triphenylvinyl)biphenyl (BTPE) derivatives, 4,4′-bis(1,2,2-triphenylvinyl)biphenyl, 2,3′-bis(1,2,2- triphenylvinyl)biphenyl, 2,4′-bis(1,2,2-triphenylvinyl)biphenyl, 3,3′-bis(1,2,2-triphenylvinyl)biphenyl and 3,4′-bis(1,2,2- triphenylvinyl)biphenyl (oTPE-mTPE, oTPE-pTPE, mTPE-mTPE, and mTPE-pTPE, respectively), are successfully synthesized and their thermal, optical, and electronic properties fully investigated. By merging two simple tetraphenylethene (TPE) units together through different linking positions, the π-conjugation length is effectively controlled to ensure the deep-blue emission. Because of the minor but intelligent structural modification, all the four fluorophores exhibit deep-blue emissions from 435 to 459 nm with Commission Internationale de l'Eclairage (CIE) chromaticity coordinates of, respectively, (0.16, 0.14), (0.15, 0.11), (0.16, 0.14), and (0.16, 0.16), when fabricated as emitters in organic light-emitting diodes (OLEDs). This is completely different from BTPE with sky-blue emission (0.20, 0.36). Thus, these results may provide a novel and versatile approach for the design of deep-blue aggregation-induced emission (AIE) luminogens. Copyright