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Alternative TitleExciplex emissions from organic electroluminescent devices containing pyrazoline derivates
朱文清; 郑新友; 蒋雪茵; 张志林; 许少鸿; 张宝文
Source Publication化学学报
Other AbstractThe bilayer organic electroluminescent diodes using two novel pyrazoline derivatives as hole transporting materials (HTM) and BBOT [2,5-bis(5-tert-butyl-2-benzoxazolyl)thiophene] as electron transporting material have been constructed, in which the electroluminescent spectra were red-shifted and broadened relative to the fluorescent spectra of constituent materials. Formation of exciplexes at the interfaces of the pyrazoline derivatives and BBOT layers were determined by photoluminescence spectral studies on the HTM/BBOT bilayers and HTM : BBOT mixed evaporated films as well as electroluminescence measurements. The type of exciplexes formed by the interaction between the excited state of MOT (BBOT) and ground state of the HTM were confirmed in light of the energy level diagram of these bilayer devices. The maximum luminance and efficiency of the HTM : BBOT mixed emissive layer devices in which the interface of exciplex formation was enlarged, have been improved by about a factor of 2 in comparing with the corresponding bilayer devices.
Keyword吡唑啉衍生物 有机电致发光器件 Electroluminescence 激基复合物 Exciplex 发射特性 Mixed Emissive Layer 混合发光层 Color Tuning 颜色调节
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Document Type期刊论文
Recommended Citation
GB/T 7714
朱文清,郑新友,蒋雪茵,等. 吡唑啉衍生物有机电致发光器件中激基复合物的发射[J]. 化学学报,2005,63(13):1182, 1186.
APA 朱文清,郑新友,蒋雪茵,张志林,许少鸿,&张宝文.(2005).吡唑啉衍生物有机电致发光器件中激基复合物的发射.化学学报,63(13),1182.
MLA 朱文清,et al."吡唑啉衍生物有机电致发光器件中激基复合物的发射".化学学报 63.13(2005):1182.
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