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ossila材料Px-VPN

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产品名称: ossila材料Px-VPN
产品型号: 1784766-39-7
产品展商: Ossila
产品文档:
 MSDS px-vpn

简单介绍


ossila材料Px-VPN  的详细介绍

Px-VPN has a similar structure to 2CzPN with two electron-withdrawing nitrile groups at 1,2-positions and two electron-donating N-phenylphenoxazine groups 4,5-positions of the benzene ring. The phenyl groups separating the electron-donating phenoxazine and electron-withdrawing phthalonitrile are acting as π bridges to the structure of A-π-D. Phenoxazines are stronger electron donating than carbazoles, Px-VPN is a TADF green emitter (λmax PL = 540 nm) while Cz-VPN is blue (λmax PL = 450 nm).

With a smaller ΔEST, the delayed emission lifetime of the green-emitting Px-VPN film found to be much shorter than those of the blue-emitting Cz-VPN, suggesting a more efficient T1 to S1 up-conversion. TADF green light-emitting device based on Px-VPN as the dopant and mCP as the host achieved a high EQE of 14.9%.

General Information


CAS Number 1784766-39-7
Chemical Formula C44H26N4O2
Molecular Weight 624.7 g/mol
Absorption λmax 304 nm, 406 nm in toluene [1]
Fluorescence λmax 577 nm in toluene [1]
HOMO/LUMO HOMO = 5.70 eV, LUMO = 3.30 eV [1]
Full Name 4,4''-Di-10H-phenoxazin-10-yl[1,1':2',1''-terphenyl]-4',5'-dicarbonitrile
Synonyms 4,5-Bis[4-(N-phenoxazine)phenyl]phthalonitrile
Classification / Family Phenoxazine derivatives, TADF green dopant, TADF Host, Sublimed materials
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