Synthesis and photovoltaic performance of the porphyrin based sensitizers with 2H-[1,2,3]triazolo[4,5-c]pyridine and benzotriazole as auxiliary acceptors

Synthesis and photovoltaic performance of the porphyrin based sensitizers with 2H-[1,2,3]triazolo[4,5-c]pyridine and benzotriazole as auxiliary acceptors
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以2H-[1,2,3]三唑并[4,5-c]吡啶和苯并三唑为辅助受体的卟啉类敏化剂的合成及光伏性能

DOI:
10.1016/j.dyepig.2016.10.006
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发表时间:
2017-02
期刊:
影响因子:
4.5
通讯作者:
Cao Derong
Cao Derong
中科院分区:
材料科学2区
文献类型:
--
作者:
Cheng Hao-Liang;Huang Zu-Sheng;Wang Lingyun;Meier Herbert;Cao Derong

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以苯并三唑和2 H-[1,2,3]三唑并[4,5-c]吡啶为辅助受体,合成了两种新型的锌卟啉染料,用于染料敏化太阳能电池。这两种辅助受体首次应用于卟啉类染料。研究了染料的物理和电化学性质。这两种染料吸附在TiO 2薄膜上时,对可见光都有吸收,是一种很有前途的染料敏化太阳能电池敏化剂。含三唑并吡啶的染料的吸收强度高于含苯并三唑的染料的吸收强度,导致更好的光捕获。因此,基于前一种染料的染料敏化太阳能电池实现了比基于后一种染料的电池(6.17%)更高的6.65%的转换效率,其中鹅去氧胆酸作为共吸附剂。
Two novel zinc porphyrin dyes containing either benzotriazole or 2H-[1,2,3]triazolo[4,5-c]pyridine as auxiliary acceptors, respectively, were synthesized for dye-sensitized solar cells. These two auxiliary acceptors were firstly applied into porphyrin based dyes. The photophysical and electrochemical properties of the dyes were investigated. These two dyes show the whole visible light absorption when they are adsorbed on the TiO2film, which means that they are promising sensitizers for dye-sensitized solar cells. The absorption intensity of the triazolopyridine containing dye is higher than that of the benzotriazole containing dye, resulting in a better light harvesting. Thus, the dye-sensitized solar cell based on the former dye achieved higher conversion efficiency of 6.65% than the cell based on the latter dye (6.17%) with chenodeoxycholic acid as the coadsorbant.
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