摘要
染料敏化太阳能电池(DSSCs)因生产成本低、制造工艺简单、环境友好等优点,受到了广泛关注。染料是染料敏化太阳能电池的核心,对能量转化效率(PCE)、光捕捉性能和电池稳定性有重要的影响。其中,纯有机染料因其具有较高的摩尔吸光系数、良好的结构可修饰性能,被广泛应用于DSSCs领域。吩噁嗪是一种强供电子单元,其非平面的蝴蝶型分子结构可有效抑制染料分子聚集,减少暗电流,从而提高器件的光电转换效率(IPCE),在DSSCs中有着广泛应用。从构效关系的角度出发,结合电子给体(D)、共轭桥连单元(π)和受体单元(A)的结构分类总结分析,对影响电性参数的原因进行了分析和探讨,并对未来的研究方向进行了展望。
Dye-sensitized solar cells(DSSCs)have attracted extensive attention owing to their low-cost production,facile fabrication and environment friendly.The dye molecule is the core of DSSCs since its extensive influence on the power conversion efficiency(PCE),light-harvesting as well as device stability.Because of organic dyes had high molar absorption coefficient and good structure modifiable properties,they were widely used in the field of DSSCs.Phenoxazine had strong electron-donating properties,and its non-planar butterfly-type molecular structure can effectively inhibit molecular aggregation which was more likely to generate excited molecules,so it can improve the photovoltaic conversion efficiency(IPCE)and had a wide range of applications in dyes.Explained from electron-rich units(D),π-conjugated spacers(π)to electron-withdrawing units,analysed the influence of electrical parameters,and the development potential of organic dyes was outlined.
作者
裴海睿
何敬文
李和平
张淑华
谭海军
Pei Hairui;He Jingwen;Li Heping;Zhang Shuhua;Tan Haijun(Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, College of Chemistry and Bioengineering,Guilin University of Technology,Guilin 541006;Collaborative Irinovation Center for Exploration of Hidden Nonferrous Metal Deposits and Development of New Materials in Guangxi,Guilin 541006)
出处
《化工新型材料》
CAS
CSCD
北大核心
2018年第12期47-51,共5页
New Chemical Materials
基金
国家自然科学基金(21663010)
广西自然科学基金(2015GXNSFBA139029).
