Triazine dyes as photosensitizers for dye-sensitized solar cells

被引：33
作者：
Liu, Jian [1 ,2 ]
Wang, Kai [1 ]
Zhang, Xiaopeng [1 ]
Li, Chenghui [1 ,2 ]
You, Xiaozeng [1 ,2 ]
机构：
[1] Nanjing Univ, Nanjing Natl Lab Microstruct, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China
[2] Academician Work Stn Changzhou Trina Solar Energy, Changzhou 213022, Jiangsu, Peoples R China
来源：
TETRAHEDRON | 2013年 / 69卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Triazine; Triphenylamine; Dye-sensitized solar cells; HIGH-EFFICIENCY; ORGANIC SENSITIZER; LIGHT; 1,3,5-TRIAZINE; PERFORMANCE; CONVERSION; ACCEPTOR; ACID;
D O I：
10.1016/j.tet.2012.10.046
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new series of triazine-containing donor-pi-acceptor organic sensitizers (TCT-(7-19)) with broad absorptions and high molar extinction coefficients have been designed and synthesized based on our previous work. All these dyes were completely characterized by H-1 NMR, ESI-MS, EA, IR, UV-vis, and cyclic voltammetry. The photovoltaic performances of dye-sensitized solar cells (DSSCs) based on these dyes were investigated. The effect of conjugating length and terminating groups on the absorption properties and photovoltaic performances were discussed. An overall photon-to-electron conversion efficiency of 3.69% was achieved with the DSSC based on the dye TCT-13 (J(sc)=7.76 mA cm(-2), V-oc=691 mV, FF=68.8%) under AM 1.5G illumination (100 mW/cm(2)). (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：190 / 200
页数：11
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