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932019

Sigma-Aldrich

9,9-Bis[4-[(4-ethenylphenyl)methoxy]phenyl]-N2,N7-di-1-naphthalenyl-N2,N7-diphenyl-9H-Fluorene-2,7-diamine

≥98% (HPLC)

Sinónimos:

VB-FNPD

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About This Item

Fórmula empírica (notación de Hill):
C75H56N2O2
Número de CAS:
1173170-48-3
Peso molecular:
1017.26
UNSPSC Code:
12352116
NACRES:
NA.23

Quality Level

100

assay

≥98% (HPLC)

solubility

chloroform: soluble
dichloromethane: soluble
toluene: soluble

λmax

354 nm±5 nm in dichloromethane
378 nm±5 nm in dichloromethane

fluorescence

λem 489 nm±10 nm in dichloromethane

orbital energy

HOMO 5.3 eV 
LUMO 2.3 eV 

Categorías relacionadas

Application

9,9-Bis[4-[(4-ethenylphenyl)methoxy]phenyl]-N2,N7-di-1-naphthalenyl-N2,N7-diphenyl-9H-Fluorene-2,7-diamine, also known as VB-FNPD, is a solution-processable crosslinkable Hole Transport / Hole Injection Layer (HTL / HIL) material popularly used in optoelectronic devices, such as quantum-dot light-emitting diodes (QD-LEDs) [1], and perovskite light-emitting diodes (PeLEDs) [2,3].For instance, it was shown that thermally crosslinkable VB-FNPD is a great candidate for the HTL of QD-LEDs [1]. Device with VB-FNPD HTL crosslinking at 170 °C has the highest luminance of 7702 cd/m2, the maximum c.d. (J) of 41.98 mA/cm2, the maximum current efficiency (CE) of 5.45 Cd/A, and the maximum external quantum efficiency (EQE) of 1.64%.VB-FNPD was also successfully used as hole-transporting material in PeLEDs to to improve the hole-injection efficiency of PeLEDs [2,3].

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Cross-linked hole transport layers for high-efficiency perovskite tandem solar cells.
Wang Y, et al.
Science China: Chemistry, 64, 2025-2034 (2021)
Chun-Cheng Lin et al.
Polymers, 12(10) (2020-10-03)
In this paper, a thermally crosslinkable 9,9-Bis[4-[(4-ethenylphenyl)methoxy]phenyl]-N2,N7-di-1-naphthalenyl-N2,N7-diphenyl-9H-fluorene-2,7-diamine (VB-FNPD) film served as the hole transporting layer (HTL) of perovskite CsPbBr3 quantum-dot light-emitting diodes (QD-LEDs) was investigated and reported. The VB-FNPD film crosslinked at various temperatures in the range of 100~230 °C
Ming-Chuan Hsiao et al.
Physical chemistry chemical physics : PCCP, 21(15), 7867-7873 (2019-03-28)
Herein, four pyridine-based chelating ligands, including 1,10-phenanthroline, 4,4'-bipyridine, 4,7-diphenyl-1,10-phenanthroline (Bphen) and pyridine, are used as surface treatment agents for improving the electronic properties of perovskite materials. The results of the steady-state photoluminescence (PL), time resolved PL and hole-only devices made

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