New efficient dyes containing tert-butyl in donor for dye-sensitized solar cells

被引：30

作者：

Shi, Jie ^{[1
]}

Chai, Zhaofei ^{[1
]}

Zhong, Cheng ^{[1
]}

Wu, Wenjun ^{[2
,3
]}

Hua, Jianli ^{[2
,3
]}

Dong, Yongqiang ^{[4
]}

Qin, Jingui ^{[1
]}

Li, Qianqian ^{[1
]}

Li, Zhen ^{[1
]}

机构：

[1] Wuhan Univ, Dept Chem, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China

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

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

[4] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China

来源：

DYES AND PIGMENTS | 2012年 / 95卷 / 02期

基金：

美国国家科学基金会;

关键词：

Tert-butyl; Triphenylamine; Anti-aggregation; Dye-sensitized solar cells; Sensitizers; Power conversion effciency; ORGANIC-DYES; MOLECULAR PHOTOVOLTAICS; CONVERSION-EFFICIENCY; MEROCYANINE DYES; ADSORBING GROUPS; TIO2; FILMS; PERFORMANCE; THIOPHENE; LIGHT; PHOTOSENSITIZER;

D O I：

10.1016/j.dyepig.2012.03.027

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A series of D-pi-A organic sensitizers that contains two 4-tert-butylbenzene moieties in the donor part of triphenylamine group are designed and characterized. All these dyes comprise the same donor and acceptor units while the different aromatic units are introduced as linkers between the donor and acceptor units. It is found that the tuning of the HOMO and LUMO energy level can be conveniently achieved by alternating the conjugate bridge. The DSSCs based on LI-17 show the best light to electricity conversion efficiency of 5.35% (J(sc) = 12.65 mA cm(-2), V-oc = 675 mV, ff = 0.63) under standard global AM 1.5 solar light conditions (100 mW cm(-2)), indicating that the introduction of tert-butyl groups may be able to play an anti-aggregation effect. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：244 / 251

页数：8

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