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ossila材料NPB-DPA

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产品名称: ossila材料NPB-DPA
产品型号: 910058-11-6
产品展商: Ossila
产品文档: 无相关文档

简单介绍


ossila材料NPB-DPA  的详细介绍

NPB-DPA, full name N,N'-Bis[4-(diphenylamino)phenyl]-N,N'-di(1-naphthyl)benzidine, is a derivative of triarylamines. It has a skeleton of two joined triarylamines with two diphenylamine as pending units. It is electron-rich and commonly used as a hole-injection layer (HIL) material in OLED devices.

NPB is normally used as a hole-transporting layer (HTL) material. In comparison, NPB-DPA is inserted between an ITO anode and a HTL to effectively modify the cathode surface and facilitate the collection of the holes to the electrode.

Like NPB-DPA, NPB's sister compound NPNPB is also commonly used as the buffer layer between a HTL and an anode to lower the barrier of the hole injections.

General Information


CAS number 910058-11-6
Full name N,N'-Bis[4-(diphenylamino)phenyl]-N,N'-di(1-naphthyl)benzidine, N,N’-Bis[4-(diphenylamino)phenyl]-N,N’-di-1-naphthalenyl-[1,1′-biphenyl]-4,4′-diamine
Chemical formula C68H50N4
Molecular weight 923.18 g/mol
Absorption* λmax 355 nm in DCM
Fluorescence λmax 515 nm in DCM
HOMO/LUMO HOMO = 5.2 eV, LUMO = 1.9 eV [1]
Classification / Family Triarylamines, Hole-transport layer (HTL) materials, Hole-injection layer (HIL) materials, Electron-blocking layer materials, OLED materials, Sublimed materials, Organic electronics.

* Measurable with an optical spectrometer

Product Details


Purity Sublimed* >99% (HPLC); Unsublimed >98%
Melting point n/a
Appearance Off-white crystal/powder
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