Triindole-modified push-pull type porphyrin dyes for dye-sensitized solar cells

被引：13
|
作者：
Qian, Xing [1 ]
Yan, Rucai [1 ]
Shao, Li [1 ]
Li, Hongmei [1 ]
Wang, Xiaoying [1 ]
Hou, Linxi [1 ]
机构：
[1] Fuzhou Univ, Sch Chem Engn, Xueyuan Rd 2, Fuzhou 350116, Peoples R China
来源：
DYES AND PIGMENTS | 2016年 / 134卷
基金：
中国国家自然科学基金;
关键词：
Dye-sensitized solar cells; Porphyrin dyes; Triindole; Push-pull structure; Photoelectric property; Charge transfer; ORGANIC-DYES; HIGH-PERFORMANCE; DONOR; EFFICIENCY; ACCEPTOR; DERIVATIVES;
D O I：
10.1016/j.dyepig.2016.07.044
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Two novel push-pull type Zn(II) porphyrin dyes (QX09 and QX10) have been synthesized for dye sensitized solar cells (DSSCs). The two porphyrin dyes consist of the same porphyrin core with a triindole unit directly attached in its meso-position and different acceptor/anchoring groups carboxylic acid (for QX09) and cyanoacylic acid (for QX10) have been investigated. The photophysical, electrochemical and theoretical studies indicated that the two porphyrin dyes were both suitable as the photosensitizers. The dye QX10 exhibited a broader absorption region and significantly improved IPCE values compared with QX09, which ensured a better light-harvesting ability and a higher photocurrent. With the coadsorption of chenodeoxycholic acid (CDCA), the DSSCs based on the two dyes both obtained improved photovoltaic performances. Finally, QX10-based cell with CDCA achieved a high power conversion efficiency of 6.65% under AM 1.5G irradiation. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：434 / 441
页数：8
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