有机化学 ›› 2016, Vol. 36 ›› Issue (10): 2284-2300.DOI: 10.6023/cjoc201604019 上一篇    下一篇

综述与进展

苯并二噻吩基小分子高效有机太阳能电池研究进展

任静, 孙明亮   

  1. 中国海洋大学材料科学与工程研究院 青岛 266100
  • 收稿日期:2016-04-10 修回日期:2016-06-09 发布日期:2016-07-07
  • 通讯作者: 孙明亮,E-mail:mlsun@ouc.edu.cn E-mail:mlsun@ouc.edu.cn
  • 基金资助:

    国家自然科学基金(No.21274134)和山东省博士后(No.201301007)资助项目.

Resent Progress of Benzodithiophene Based Efficiency Small Molecule Organic Solar Cells

Ren Jing, Sun Mingliang   

  1. Institute of Material Science and Engineering, Ocean University of China, Qingdao 266100
  • Received:2016-04-10 Revised:2016-06-09 Published:2016-07-07
  • Supported by:

    Project supported by the National Natural Science Foundation of China (No.21274134) and the Post-doctor of Shandong Province (No.201301007).

有机太阳能电池(organic solar cell,OSC)是由有机材料构成活性层的太阳能电池.苯并[1,2-b:4,5-b’]二噻吩(benzo[1,2-b:4,5-b’]dithiophene,BDT)由于具有较大的刚性平面共轭结构,可以显著提高π电子的离域能力和分子间的π-π相互作用,且易化学修饰,合成方便,成为太阳能电池给体材料研究中的一个“明星分子”单元.目前,已报道的基于BDT共轭单元的有机光伏器件(organic photovoltaic device,OPV)的光电转化效率(power conversion efficiency,PCE)最高已达到9.95%,应用前景巨大.综述了BDT基小分子有机太阳能电池(small molecule organic solar cell,SM-OSC)活性层材料近年来的研究进展,并简要分析了小分子由于主链、侧链、封端基团的差异对器件性能的不同影响.

关键词: 苯并二噻吩, 小分子, 有机太阳能电池

Organic solar cell (OSC) is a kind of solar cells which active layer is made of organic materials. Ben-zo[1,2-b:4,5-b']dithiophene (BDT) has become a star molecule unit in organic solar cells donor material field, because its large rigid plane conjugated structure can improve the delocalization of π-electron and π-π interactions between molecules significantly. BDT is also easy to be synthesized and chemically modified. The highest power conversion efficiency (PCE) 9.95% has already been achieved based on BDT unit, which shows an enormous potential application in organic photovoltaic device (OPV). This paper summarizes the research process of BDT-based small molecule organic solar cell (SM-OSC) active layer material in recent years and gives a brief analysis of device performance effects caused by main chain, side chain and terminal group of small mol-ecule.

Key words: benzodithiophene, small molecule, organic solar cells