New porphyrin dyes containing a hydrazide anchor for dye-sensitized solar cells

被引：10

作者：

Jia, Hai-Lang ^{[1
,2
]}

Peng, Zhi-Jie ^{[1
]}

Guan, Ming-Yun ^{[1
]}

机构：

[1] Jiangsu Univ Technol, Sch Chem & Environm Engn, Changzhou 213001, Peoples R China

[2] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2018年 / 42卷 / 16期

基金：

中国国家自然科学基金;

关键词：

ORGANIC-DYES; HIGHLY EFFICIENT; DONOR; COSENSITIZATION; ACCEPTOR; ELECTROLYTE; TIO2;

D O I：

10.1039/c8nj02889c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Herein, we prepared two new zinc porphyrin dyes (JA4 and JA5) containing different anchoring groups and applied them in dye-sensitized solar cells. The hydrazide unit was used as an anchoring group for a DSSC, and the device based on the JA5 containing hydrazide anchor also shows a high PCE of 5.49% with a J(sc) of 11.57 mA cm(-2) and a V-oc of 737 mV. COOH is the most common anchor, but it is prone to dissociate from the TiO2 surface, especially under alkaline conditions. Interestingly, the hydrazide anchor shows better water-stability under various aqueous conditions compared with the COOH anchor, including acidic, neutral and alkaline conditions. In addition, a hydrazide unit is very easy to synthesise, thus, hydrazide can be a promising anchoring group for DSSCs.

引用

页码：13770 / 13774

页数：5

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