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Features
CAS Number: | 200052-70-6 |
Linear Formula: | C30H35N3O |
Purity: | Sublimed, > 99% (HPLC) |
Appearance: | Red Powder |
Molecular Weight: | 453.62 g/mol |
UV: | 501 nm (in THF) |
PL: | 602 nm (in THF) |
Melting Point: | > 250 ℃ (0.5% weight loss) |
DCJTB Powder Description
DCJTB, a dicyanomethylene-4H-pyran (DCM) derivative, is one of the most promising dopant materials. It has been widely used in red and white OLEDs.
DCJTB belongs to a class of laser dyes useful for solar-concentrator applications. Pure DCJTB can be prepared from unsymmetrical 4-(dicyanomethylene)-2-(t-butyl)-6-methyl-4H-pyran directly. These red dopants have high photoluminescent (PL) quantum yields.
With four methyl bulky substituents on the julolidine moiety, and tert-butyl group on the pyran moiety of DCM backbone stucture, DCJTB can efficiently prevent concentration quenching between the emitting materials, which leads to improved device electroluminescence efficiencies.
DCJTB has also been used as an interface material between the dye and acceptor in small molecule organic heterojunction solar cells, retarding the charge recombinations between the donor and the acceptor.
DCJTB Powder Applications and Related Industries
● Red dopant for white organic light-emitting diodes (OLEDs)
● Emitting layer to enhance the performance of OLEDs
● Electronics
● Research & Laboratory
General Information
CAS number | 200052-70-6 |
Full name | 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)-4H-pyran |
Chemical formula | C30H35N3O |
Molecular weight | 453.62 g/mol |
Absorption* | λmax 502 nm in THF |
Fluorescence | λmax 602 nm in THF |
HOMO/LUMO | HOMO = 5.4 eV, LUMO = 3.2 eV [1] |
Synonyms | 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)-4H-pyran |
Classification/ Family | Red dopant materials, OLED red emitters, TADF materials. |
Purity | Unsublimed > 98.0% (HPLC) |
Melting point | n/a |
Appearance | Deep red crystals/powder |
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