| 苯并[1,2-b:4,5-b']二噻吩和二噻吩邻苯二甲酰亚胺的平面型交替共聚物的合成及其光伏性能 |
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| 引用本文： | 张志国,张思园,闵杰,张茂杰,国霞,张婧,李永舫.苯并[1,2-b:4,5-b']二噻吩和二噻吩邻苯二甲酰亚胺的平面型交替共聚物的合成及其光伏性能[J].中国科学:化学,2011(8):1319-1324. |
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| 作者姓名： | 张志国 张思园 闵杰 张茂杰 国霞 张婧 李永舫 |
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| 作者单位： | 中国科学院化学研究所有机固体重点实验室; |
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| 基金项目： | 国家自然科学基金(20874106,20821120293和50933003); 中国科学院的资助 |
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| 摘 要： | 通过Stille聚合反应合成了含有苯并1,2-b:4,5-b']二噻吩和二噻吩邻苯二甲酰亚胺的D-A结构平面共聚物PBDTPhBT.该聚合物热稳定性和在常见有机溶剂中的溶解性良好、在380～580nm范围内有强吸收.分子模拟计算的结果表明,聚合物主链具有较好的平面型.PBDTPhBT的光学带隙为2.10eV、用电化学方法测量的HOMO能级为5.23eV.以聚合物PBDTPhBT为给体、PC70BM为受体(给受体重量比为1:1)、Ca/Al为负极制备了本体异质结聚合物太阳能电池.在AM1.5,100mWcm2光照条件下器件的开路电压和短路电流分别为0.79V和5.63mAcm2,能量转换效率达到了1.76%.
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| 关 键 词： | 聚合物太阳能电池 共轭聚合物 D-A共聚物 |
Planar alternating copolymer of benzodithiophene and bisthiophenephthalimide:Synthesis and photovoltaic properties |
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| ZHANG ZhiGuo,ZHANG SiYuan,MIN Jie,ZHANG MaoJie,GUO Xia,ZHANG Jing & LI YongFang CAS Key Laboratory of Organic Solids.Planar alternating copolymer of benzodithiophene and bisthiophenephthalimide:Synthesis and photovoltaic properties[J].Scientia Sinica Chimica,2011(8):1319-1324. |
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| Authors: | ZHANG ZhiGuo ZHANG SiYuan MIN Jie ZHANG MaoJie GUO Xia ZHANG Jing & LI YongFang CAS Key Laboratory of Organic Solids |
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| Affiliation: | ZHANG ZhiGuo,ZHANG SiYuan,MIN Jie,ZHANG MaoJie,GUO Xia,ZHANG Jing & LI YongFang CAS Key Laboratory of Organic Solids,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China |
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| Abstract: | A new planar alternating D-A copolymer of benzodithiophene （BDT） and bisthiophene-phthalimide （PhBT）,PBDTPhBT,was synthesized by Stille coupling reaction.The polymer possesses high thermal stability,good solubility in common organic solvents and strong absorption in the wavelength range of 380～580 nm.The results of molecular simulation indicate a planar main chain of the polymer.The optical bandgap of PBDTPhBT is 2.10 eV,its HOMO energy level measured by electrochemical method is 5.23 eV.Bulk-heterojunction polymer solar cells （PSCs） were fabricated,based on PBDTPhBT as donor,PC 70 BM as acceptor （D/A weight ratio of 1：1） and Ca/Al as negative electrode.Under the illumination of AM1.5,100 mW cm 2,the PSC displayed an open circuit voltage of 0.79 V,a short circuit current of 5.63 mA cm 2,and energy conversion efficiency of 1.76%. |
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| Keywords: | polymer solar cell conjugated polymer D-A copolymer |
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