Novel fluoranthene dyes for efficient dye-sensitized solar cells

被引：37

作者：

Ma, Xuemei ^{[1
,2
]}

Wu, Wenjun ^{[1
,2
]}

Zhang, Qiong ^{[1
,2
,3
]}

Guo, Fuling ^{[1
,2
]}

Meng, Fanshun ^{[1
,2
]}

Hua, Jianli ^{[1
,2
]}

机构：

[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China

[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

[3] Royal Inst Technol, Sch Biotechnol, S-10691 Stockholm, Sweden

来源：

DYES AND PIGMENTS | 2009年 / 82卷 / 03期

关键词：

Dye-sensitized solar cells; Fluoranthene; Synthesis; Characterization; Nanocrystalline TiO2; Photovoltaic properties; PHOTOELECTRIC CONVERSION PROPERTIES; CHARGE-TRANSFER; ORGANIC-DYES; ADSORBING GROUPS; DESIGN; LIGHT;

D O I：

10.1016/j.dyepig.2009.02.006

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Three, novel, fluoranthene-based dyes, 2-cyano-3-(5-(7,12-diphenylbenzo[k]fluoranthen-3-yl)thiophen-2-yl)acrylic acid, 2-(5-((5-(7,12-diphenylben-zo[k]fluoranthen-3-yl)thiophen-2-yl)methylene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid and 2-cyano-3-(4-(2-(7,12-diphenylbenzo[k]fluoranthen-3-yl)ethynyl)phenyl) acrylic acid, were synthesized for application as sensitizers in dye-sensitized solar cells. In each dye, the 7,12-diphenyl-benzo[k]fluoranthene moiety acted as electron donor with phenyl and thiophene units as electron spacers and carboxylic acid as electron acceptor. Tuning of the HOMO and LUMO energy levels was conveniently accomplished by changing the spacer and acceptor moiety, as confirmed using electrochemical measurements. Maximum solar energy:electricity conversion efficiency was 4.4% under AM 1.5 solar simulator (100 mW cm(-2)) for 2-cyano-3-(5-(7,12-diphenylbenzo[k]fluoranthen-3-yl)thiophen-2-yl)acrylic acid. The results suggest that dyes based on fluoranthene donor are promising candidates for high performance, dye-sensitized solar cells. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：353 / 359

页数：7

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