苯并二噻吩基小分子高效有机太阳能电池研究进展  

Resent Progress of Benzodithiophene Based Efficiency Small Molecule Organic Solar Cells

作　　者：任静[1] 孙明亮[1] 

机构地区：[1]中国海洋大学材料科学与工程研究院,青岛266100

出　　处：《有机化学》2016年第10期2284-2300,共17页Chinese Journal of Organic Chemistry

基　　金：国家自然科学基金(No.21274134);山东省博士后(No.201301007)资助项目~~

摘　　要：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.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.

关 键 词：苯并二噻吩 小分子 有机太阳能电池 

分 类 号：O626.12[理学—有机化学] TM914.4[理学—化学]