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基于喹喔啉的D-A型共轭聚合物合成及其在有机光伏中的应用
发表时间：2016-06-30 浏览量：2241 下载量：1040
| 全部作者： | 何柏田，蔡万清，张杰，黄飞 |
| 作者单位： | 华南理工大学发光材料与器件国家重点实验室 |
| 摘 要： | 设计合成了一系列基于喹喔啉为受体单元、联噻吩为给体单元的窄带隙共轭聚合物。研究不同长度烷基链取代对聚合物溶解度和器件性能的影响，进一步研究氟原子取代对聚合物性能的影响。采用倒置器件结构ITO/ZnO/Copolymer:PC71BM/MoO3/Ag，最高能量转换效率为3.31%，其开路电压为0.55 V，短路电流为9.56 mA/cm2，填充因子达到62.5%. |
| 关 键 词： | 功能高分子材料；聚合物太阳电池；D-A型共轭聚合物；本体异质结 |
| Title： | Synthesis of D-A copolymers based on quinoxaline and its application in organic solar cells |
| Author： | HE Baitian, CAI Wanqing, ZHANG Jie, HUANG Fei |
| Organization： | State Key Laboratory of Luminescent Materials and Devices, South China University of TechnologyState Key Laboratory of Luminescent Materials and Devices, South China University of Technology |
| Abstract： | A series of narrow-band-gap donor-acceptor conjugated polymers, with quinoxaline derivatives as acceptor units and bithiophene as donor unit, were synthesized. It was found that solubility and device performace of the resultant copolymers were strongly affected by the alkyl chain and fluorine. The synthesized D-A narrow band gap conjugated polymers can be fabricated as active layers for solar cells. The best performance of polymer solar cell was achieved with inverted device structure of ITO/ZnO/Copolymer:PC71BM/MoO3/Ag, which showed an open circuit voltage of 0.55 V, a short-circuit current (Jsc) of 9.56 mA/cm2, and a fill factor of 62.5%, leading to a high power conversion efficiency of 3.31%. |
| Key words： | functional polymer materials; polymer solar cells; D-A copolymer; bulk heterojunction |
| 发表期数： | 2016年6月第12期 |
| 引用格式： | 何柏田，蔡万清，张杰，等. 基于喹喔啉的D-A型共轭聚合物合成及其在有机光伏中的应用[J]. 中国科技论文在线精品论文，2016，9（12）：1197-1205. |
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