齐聚噻吩/C60双电缆共聚物的合成及结构表征

复合材料科学与工程 ›› 2013, Vol. 0 ›› Issue (5): 32-36.

齐聚噻吩/C₆₀双电缆共聚物的合成及结构表征

齐远江, 李慧^*

华东理工大学材料科学与工程学院,上海 200237

收稿日期:2012-10-26 出版日期:2013-08-28 发布日期:2022-03-15
通讯作者: 李慧(1973-),女,副教授,主要从事超临界方面的研究,yangr.52@163.com。
作者简介:齐远江(1987-),男,硕士,主要从事太阳能电池的研究。

SYNTHESIS AND CHARACTERIZATION OF DOUBLE-CABLE OLIGTHIOPHENE/C₆₀ COPOLYMER

QI Yuan-jiang, LI Hui^*

School of Materials Science and Engineering,East China University of Science and Technology, Shanghai 200237,China

Received:2012-10-26 Online:2013-08-28 Published:2022-03-15

摘要/Abstract

摘要： 可溶性聚噻吩和富勒烯(主要是C₆₀ ) 及其衍生物,是聚合物太阳能电池中被广泛使用的给体和受体材料^{[1 ~ 3]},二者之间的相容性和富勒烯的聚集效应是影响光电转换效率的主要因素^[4]。本文中,用Suzuki 偶联法逐步合成噻吩的齐聚物,并通过氮卡宾反应将富勒烯和齐聚噻吩用共价键键接在一起,得到单一分子量分布的齐聚噻吩/C₆₀共聚物,可实现分子水平的相连续结构。另外,通过¹H-NMR、MALDI-ToF MS 手段对其结构进行表征,通过循环伏安测试表征噻吩单元和C₆₀在基态并无相互作用,紫外可见吸收光谱表明在300 ~ 500nm 处有一个明显的吸收带。

关键词: 齐聚噻吩, 富勒烯, 有机太阳能电池

Abstract: Soluble polythiophene (PT) derivatives and fullerenes (mainly C₆₀) are the donor and acceptor materials respectively well-used in the photosensitive blend layer of the polymer solar cells. Aggregation of the fullerenes and phase separation of the donor and acceptor materials in the blend layer influence the power conversion efficiency (PCE) of the devices. So this paper synthesizes thiophene oligomers step by step through Suzuki coupling reaction and connects the thiophene oligomers with the fullerene acceptor together by covalent bond to solve the phase separation problem. By this way,the copolymer(Th₂C₆₀Th₄C₆₀) can phase separation in molecular level. The molecular structures were determined by H-NMR and MALDI-Toff techniques. Cyclic voltammetry shows there’s no interaction between thiophene and C₆₀ at ground state.

Key words: thiophene oligomers, C₆₀, solar cell

中图分类号:

TB332

齐远江, 李慧. 齐聚噻吩/C₆₀双电缆共聚物的合成及结构表征[J]. 复合材料科学与工程, 2013, 0(5): 32-36.

QI Yuan-jiang, LI Hui. SYNTHESIS AND CHARACTERIZATION OF DOUBLE-CABLE OLIGTHIOPHENE/C₆₀ COPOLYMER[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(5): 32-36.

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齐聚噻吩/C₆₀双电缆共聚物的合成及结构表征

SYNTHESIS AND CHARACTERIZATION OF DOUBLE-CABLE OLIGTHIOPHENE/C₆₀ COPOLYMER

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