Photoluminescence and Electroluminescence of Pyrazoline Monomers and Dimers

Abstract

Abstract: The photo-lummescence behavior of seven kinds of pyrazoline monomer and dimer in solution and film has been studied comparatively in this work, The electro-luminescence properties of the material containing dopant in ELdevice, in which the structure[ITO/TPD/TPBI∶EP/TPBI/Mg∶Ag] was employed, have also been investigated. The results indicated that the ELdevices composed of pyrazoline compounds showed itself a very good ability on the electro-luminescence, especially, of the pyrazoline compound in which a 5-position substitution existed. The devices obtained also showed itself a good stability due to their excellent film formation and high T_g transition temperature of the compounds used. The results demonstrated that the fluorescence quantum yields of mono-pyrazoline compounds in solution were higher than that of pyrazoline dimer. The identical tendency in the emission intensity has also been observed when the ELdevices were composed of them.

Key words: Pyrazoline derivative, Photoluminecesnce, Electroluminescence

CLC Number:

O644.1

TrendMD:

ZHANG Xiao-Hong, WU Shi-Kang, GAO Zhi-Qiang, LEE Zhen-Sheng, LEE Shu-Tang . Photoluminescence and Electroluminescence of Pyrazoline Monomers and Dimers[J]. Chem. J. Chinese Universities, 2000, 21(8): 1278.

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Photoluminescence and Electroluminescence of Pyrazoline Monomers and Dimers

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