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ossila材料Bepp2

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产品名称: ossila材料Bepp2
产品型号: 220694-90-6
产品展商: Ossila
产品文档:
 MSDS bepp2

简单介绍


ossila材料Bepp2  的详细介绍

Bis[2-(2-hydroxyphenyl)-pyridine] beryllium, known as Bepp2, belonging to the beryllium complex family, is a blue fluorescence emitter with excellent charge transport ability. Due to its high electron mobility and high triplet energy level, Bepp2 has been used as an electron-transporting and hole/exciton-blocking layer material in OLEDs. High-efficiency blue OLEDs by using Bepp2 as the emitting layer material and high efficiency white OLEDs using Bepp2 as host material have been achieved [1-8].

Bepp2 can be also used as host material to fabricate orange, green, red EL devices.

General Information


CAS number 220694-90-6
Chemical formula C22H16BeN2O2
Molecular weight 349.39 g/mol
Absorption λmax 329 nm, 361 nm (chloroform)
Fluorescence λem 440 nm (chlorofom); 450 nm (film)
HOMO/LUMO HOMO = 5.7 eV, LUMO = 2.6 eV [1]
Synonyms
  • Be(pp)2Beryllium
  • bis[2-(2-pyridinyl)phenolate]Bis[2-(2-hydroxyphenyl)pyridinato]berylliumBis[2-(2-hydroxyphenyl)-pyridine]berylliumBis[2-(2-pyridinyl)phenolato]beryllium(II)
Classification / Family Blue emitter, Fluorescence host materials, Electron-transport layer (ETL), Hole-blocking layer (HBL), Sublimed materials

* Measurable with an optical spectrometer

Product Details


Purity Sublimed* > 99%
Melting point

TGA 365 °C (5% weight loss)

DSC 314 °C (onset)

Color Light yellow powder/crystals

* Sublimation is a technique used to obtain ultra pure-grade chemicals, see sublimed materials.

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