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| 富勒烯C60掺杂的共轭高聚物混合薄膜的光谱性质 | |
| 引用本文： | 刘秀,王文军,蔡志岗,姜永强,王恭明. 富勒烯C60掺杂的共轭高聚物混合薄膜的光谱性质[J]. 光谱学与光谱分析, 2002, 22(4): 535-537 |
| 作者姓名： | 刘秀 王文军 蔡志岗 姜永强 王恭明 |
| 作者单位： | 1. 复旦大学光科学与工程系,上海,200433 2. 复旦大学光科学与工程系,上海,200433;聊城师范学院物理系,山东,聊城,252059 3. 中山大学超快速激光光谱学国家重点实验室,广东,广州,510275 |
| 基金项目： | 国家自然科学基金 (No 696870 04，No .1983 4 0 3 0 )资助项目 |
| 摘 要： | 测量了不同富勒烯C60掺杂浓度的聚对亚苯基亚乙烯衍生物（MEH-PPV）混合薄膜的紫外-可见吸收光谱、稳态荧光和时间分辨荧光光谱。观察到MEH-PPV吸收峰受到明显的抑制以及荧光峰的猝灭。证明混合薄膜内，由于л-л共轭体系的强相互作用在基态发生MEH-PPV向C60的电子转移、形成电荷转移络合物。在光激发下会发生MEH-PPV向C60的激发传递进一步抑制了发光跃迁过程，导致了MEH-PPV荧光的强猝灭效应。 |
| 关 键 词： | 富勒烯C60 掺杂 共轭高聚物 混合薄膜 光谱性质 电荷转移 激发传递 荧光猝灭 碳60 聚对亚苯基亚乙烯衍生物 |
| 文章编号： | 1000-0593(2002)04-0535-03 |
| 修稿时间： | 2001-04-20 |
The Spectral Properties of Fullerences Doped Conjugated Polymer Composite Films |
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| Xiu Liu,Wen-jun Wang,Zhi-gang Cai,Yong-qiang Jiang,Gong-ming Wang. The Spectral Properties of Fullerences Doped Conjugated Polymer Composite Films[J]. Spectroscopy and Spectral Analysis, 2002, 22(4): 535-537 | |
| Authors: | Xiu Liu Wen-jun Wang Zhi-gang Cai Yong-qiang Jiang Gong-ming Wang |
| Affiliation: | State Key Joint Lab. for Materials Modification by Laser, Ion, and Electron Beams, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China. |
| Abstract: | In this paper, we studied the optical properties of the charge transfer system in poly[2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene](MEH-PPV), which was doped by C60 with different consistence, by means of ultraviolet-visible absorption spectrum, steady-state photoluminescence (PL) and time-resolved photoluminescence (TRPL). We observed the restraining effect of absorption peak and PL quenching of fluorescence, which is regarded as the formation of complex compound in the mixed conjugated polymer. The formation is the result of the strong interaction of pi-pi conjugated system in the base state in the films, which associated with the direct MEH-PPV to C60 charge transfer. In the excited state, the excited charge transfer advanced the restraint of luminant transition process, which strengthen the PL quenching of MEH-PPV. |
| Keywords: | Charger transfer Exicted state transition PL quench |
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