N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine
N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine (CAS: 123847-85-8), with a molecular formula of C44H32N2 and a molecular weight of 588.74 g/mol, is a high-purity organic compound. Supplied in a sublimed grade, it functions as a critical hole transporting and hole injection layer material in advanced organic electronic devices, particularly in OLED and PLED technologies.
- IUPAC
- N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine,NPB,NPD
- Synonyms
- N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidineNPBNPD
Hole Transport Layer (HTL)
This diamine derivative serves as an efficient hole transporting material in organic light-emitting diodes (OLEDs), facilitating the movement of positive charge carriers towards the emissive layer for enhanced device performance and longevity.
Hole Injection Layer (HIL)
It is also employed as a hole injection layer material, improving the injection of holes from the anode into the organic semiconductor stack, thereby reducing operating voltage and increasing device efficiency.
Organic Electronics
Its properties make it suitable for various organic electronic applications, including organic photovoltaics (OPVs) and organic field-effect transistors (OFETs), contributing to charge transport and device stability.
Materials Science Research
As a specialized organic semiconductor, it is utilized in materials science research for developing and optimising novel electronic and optoelectronic devices.
| Molecular weight | 588.74 |
|---|---|
| Empirical formula | C44H32N2 |
| Assay | 96% |
| Grade | sublimed grade |
| Application | Hole transporting material for OLED devices |
| Melting point | 275-280 °C279-283 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Orbital Energy | HOMO 5.5 eV LUMO 2.4 eV |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine used for?
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This compound is primarily used as a hole transporting material (HTM) and hole injection layer (HIL) material in the fabrication of organic light-emitting diodes (OLEDs) and other organic electronic devices.
What are the CAS number and molecular formula for this diamine?
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The CAS number is 123847-85-8, and the molecular formula is C44H32N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical in a sublimed grade with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Use a type N95 (US) or type P1 (EN143) respirator filter if needed. Dispose of waste according to local regulations. The WGK Germany is 3.
Is this chemical exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this compound.
How can I request a quote or sample?
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Please contact our sales team directly through the website or by phone to request a quote or a sample of N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine.
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