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基于噻唑并噻唑结构的共轭聚合物太阳能电池材料的合成与表征

Synthesis and characterization of thiazolothiazole based conjugated polymer for organic photovoltaics
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摘要 为了得到一种新型高效的聚合物太阳能电池材料,通过Stille聚合反应合成了一种以噻唑并噻唑为电子受体单元和硅基联噻吩为电子给体单元的交替共轭聚合物(PTTz-Si)。这种聚合物具有较窄的光学带隙(1.77eV)、较高的热稳定性以及比较宽泛的紫外可见吸收光谱,其良好的溶解性保证了可以通过溶液加工制备成有机太阳能电池器件,是一种潜在的聚合物太阳能电池活性层供体材料。通过核磁共振氢谱、碳谱、热重分析、紫外可见吸收光谱、凝胶渗透色谱和电化学等测试方法对该聚合物进行了表征,并且将聚合物与PC71CM共混制备聚合物太阳能电池器件,获取0.76%的光电转化效率。 In pursuit of novel highly efficient polymer solar cells,an alternating conjugated polymer （PTTz-Si）of thiazolothiazole electron acceptor unit and silolo[3,2-b：4,5-b’]dithiophene electron donor unit was synthesized through Stille coupling polymeri-zation.PTTz-Si has a narrow bandgap of 1.77 eV,high air-stability and broad UV-Vis absorption spectrum.Good solubility of PTTz-Si guarantees solution-processability as potential donor active for organic solar cells.PTTz-Si was fully characterized by nuclear magnetic resonance,thermogravimetric analysis and UV-Visible spectroscopy,gel permeation chromatography and elec-trochemistry station.The photovoltaic device based on PTTz-Si/PC71 CM exhibited a power conversion efficiency of 0.76%.
作者 海杰峰 尹良敏 唐卫华
机构地区 南京理工大学化工学院
出处 《中国科技论文》 CAS 北大核心 2014年第2期247-252,共6页 China Sciencepaper
基金 国家自然科学基金资助项目(21074055) 高等学校博士学科点专项科研基金资助项目(20103219120008)
关键词 光电池 共轭聚合物 噻唑并噻唑 聚合反应 表征 photovoltaic cells conj ugated polymers thiazolothiazole polymerization characterization
分类号 O633.5 [理学—高分子化学] TM914.4 [电气工程—电力电子与电力传动]
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参考文献20

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中国科技论文
2014年 第2期

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