SYNTHESIS OF POLY(2,5-DIPHENYL-1,3,4-THIADIAZOLYL)-4,4'-VINYLENE AND ITS ELECTROLUMINESCENT PERFORMANCE* |
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| Authors: | Shou-gen Yin Zheng Xu Yan-bing Hou Yong-sheng Wang Xu-rong Xu Wen-qiang Huang Fu-qiang Zhang |
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| Affiliation: | Institute of Optoelectronics Technology; Northern Jiaotong University; Beijing 100044; China Institute of Polymer Chemistry; Nankai University; Tianjin 300071; China |
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| Abstract: | The synthesis, characterization and electroluminescence performance of a new type of conjugatedpolymer, poly(2,5-diphenyl-1,3,4-thiadiazolyl)-4,4'-vinylene (TPPV) are presented. A light-emitting diodeconsisted of ITO/TPPV/Al is driven at about 4.0 V and has a peak emission wavelength of 485 nm. Thisblue-shift of the peak is due to the decrease of conjugate degree of TPPV compared to PPV. This result is inaccord with that determined by XPS and theoretical model of MNDO/3 |
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| Keywords: | PPV Electroluminescence XPS MNDO/3 |
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