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新型给体-受体型聚合物的合成及其在本体异质结聚合物太阳能电池中的应用
Authors
葛子义,贾庆明
邹文武a 刘 颖b 贾庆明*,a 葛子义*,b
Publication date
25 July 2013
Publisher
Abstract
设计、合成了侧链含有强吸电结构的丙二酸二丁酯受体单元与苯并[1,2-b:4,5-b′]二噻吩给体单元交替共聚物 PBDTDT, 研究了其热学、光学、电化学性质以及与受体PC71BM ([6,6]-苯基C71 丁酸甲酯)共混作为活性层制备成本体 异质结聚合物有机太阳能电池的光伏性质, 考察了PBDTDT 与PC71BM 不同比例时的光伏性能, 当聚合物PBDTDT 和 PC71BM质量比为1∶3 制备的器件, 其开路电压达到了0.82 V, 能量转换效率(PCE)为0.90%, 短路电流为3.25 mA/cm2, 填充因子FF 为0.338, 同时将其与同等工艺制备的poly(3-hexylthiophene) (P3HT)太阳能电池的光伏性能进行比较, 相 同工艺下制备的P3HT电池的开路电压仅为0.55 V, 由PBDTDT制备的电池开路电压比P3HT电池的开路电压高出0.29 V, 同时分析了PBDTDT 能量转换效率较P3HT 低的原因
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Last time updated on 22/01/2018