N4,N4'-Bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine
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- Purity: 0.999
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Keywords
N4,N4'-Bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine 1010396-31-2 0.98
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| Product Name: | N4,N4'-Bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine |
| Synonyms: | N4,N4′-di(Naphthalen-1-yl)-N4,N4′-bis(4- vinylphenyl)biphenyl-4,4′-diamine;VNPB;N4,N4'-Bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine;N,N'-Bis(naphthalen-1-yl)-N,N'-bis(4-vinyl-phenyl)benzidine;[1,1'-Biphenyl]-4,4'-diamine, N4,N4'-bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-;N4,N4'-Bis(4-ethenylphenyl)-N4,N4'-di-1-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine ISO 9001：2015 REACH;4,4′-Bis[(1-naphthyl)(4-styryl)amino][1,1′]biphenyl;N4,N4'-Di(naphthalen-1-yl)-N4,N4'-bis(4-vinylphenyl)-[1,1'-biphenyl]-4,4'-diamine |
| CAS: | 1010396-31-2 |
| MF: | C48H36N2 |
| MW: | 640.81 |
| EINECS: | |
| Product Categories: | |
| Mol File: | 1010396-31-2.mol |
| Uses | N4,N4μ-Di(naphthalen-1-yl)-N4,N4μ-bis(4-vinylphenyl)biphenyl-4,4μ-diamine, also known as VNPB, is a solution-processable Hole Transport / Electron Blocking Layer (HTL / EBL) material popularly used in organic electronics, such as OLEDs and perovskite solar cells . In OLED devices, the use of VNPB enabled the maximum current efficiency of 22.2 Cd/A, compared to 9.7 Cd/A in the reference device without VNPB, and the device lifetime was extended by up to 74.8% . VNPB allowed a simple and additive-free strategy to prevent the formation of defects in solution processed thin-film stacks made of small-molecular materials. In solar cells, VNPB increased open-circuit voltage (VOC) and power conversion efficiency (PCE) of wide-bandgap perovskite solar cells by changing the hole transport layer (HTL) from commonly used poly(bis(4-phenyl)(2,4,6-trimethylphenyl)amine) (PTAA) to in-situ cross-linked small mol. VNPB . PCEs of 24.9% and 25.4% have been achieved in perovskite/perovskite and perovskite/silicon tandem solar cells, resp. |
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