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NPB: The Ultimate Hole Transport Material

NPB (N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine) stands out as a premier hole transport material, widely utilized in the manufacturing of OLEDs and other organic electronic devices. Its exceptional hole transport capability makes it an ideal choice for enhancing device morphology and longevity. With a high glass transition temperature of up to 95 °C, NPB ensures optimal performance and reliability in various applications.

Superior Properties and Specifications

NPB is available in two purity grades: sublimed (>99%) and unsublimed (>98%). This material boasts a melting point of 279-283 °C and an off-white powder appearance. Its chemical formula is C₄₄H₃₂N₂ with a molecular weight of 588.74 g/mol. The HOMO/LUMO energy levels are 5.5 eV and 2.4 eV, respectively, and it exhibits an absorption maximum at 339 nm. NPB is also known by several synonyms, including NPD and N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine.

Applications and Benefits

NPB's exceptional properties make it a crucial component in various electronic devices. Its outstanding hole transport capability enhances device morphology and contributes to device longevity. With applications in OLEDs, polymer photovoltaics (OPV), perovskite solar cells, and more, NPB is a versatile material that offers numerous benefits. Its high purity and consistent quality ensure reliable performance in your projects, making it a preferred choice among researchers and manufacturers alike.