Fused heterocycles possessing novel metal-free organic dyes for dye-sensitized solar cells
作者:Kesavan Stalindurai、Ayyanar Karuppasamy、Jia-De Peng、Kuo-Chuan Ho、Annadurai Tamilselvan、Chennan Ramalingan
DOI:10.1016/j.tet.2016.12.019
日期:2017.1
of fused heterocycles possessing novel metal free organic dyes viz., CPTAA-1, CPTAA-2, TCPTAA-1 and TCPTAA-2 has been designed and synthesized as sensitizers for dye-sensitized solar cells (DSSCs). Explorations on the relationship between the dye structures, photophysical/electrochemical properties, and DSSC performances have been described. The dyes CPTAA-1 and CPTAA-2 possess superior absorption maxima
已设计并合成了一系列具有新颖的不含金属的有机染料,即CPTAA-1,CPTAA-2,TCPTAA-1和TCPTAA-2的稠合杂环,作为染料敏化太阳能电池(DSSC)的敏化剂。已经描述了关于染料结构,光物理/电化学性质和DSSC性能之间关系的探索。染料CPTAA-1和CPTAA-2同时具有在二氯甲烷中并吸附在TiO优越吸收最大值2相比TCPTAA-1和TCPTAA-2 。所有染料显示比我的氧化还原电位更积极的基态氧化电位-/ I 3 -电解质和比所述半导体的导带边缘更负激发态氧化电势。在CPTAA-1和CPTAA-2中加入其他咔唑支架最终导致光电流密度降低,这可能是由于大体积染料(TCPTAA-1和TCPTAA-2)与半导体之间的不良相互作用所致。在所制造的DSSC中,具有CPTAA-1的DSSC表现出最高的入射光子-电流转换效率(IPCE)。带有CPTAA-1的DSSC器件与 具有开路电压