Star-shaped conjugated systems derived from dithiafulvenyl-derivatized triphenylamines as active materials for organic solar cells

被引：41

作者：

Aleveque, Olivier ^{[1
]}

Leriche, Philippe ^{[1
]}

Cocherel, Nicolas ^{[1
]}

Frere, Pierre ^{[1
]}

Cravino, Antonio ^{[1
]}

Roncali, Jean ^{[1
]}

机构：

[1] Univ Angers, CNRS, Lab Chim & Ingn Mol Angers, CIMA,Grp Linear Conjugated Syst, F-59045 Angers, France

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2008年 / 92卷 / 09期

关键词：

triphenylamine; tetrathiafulvalene; star-shaped systems; solar cells;

D O I：

10.1016/j.solmat.2008.04.006

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Hybrid conjugated systems consisting of a triphenylamine core substituted by three dithialfulvenyl moieties have been synthesized and tested as active materials in organic field-effect transistors and photovoltaic devices. UV-vis. spectroscopy Studies demonstrate that, despite their amorphous character shown by X-ray diffraction and differential scanning calorimetry, strong interactions exist in these materials as an aggregative band is observed at low energies. A first evaluation of their potentialities as 1) semiconductor in organic field-effect transistors shows significant hole mobilities. For bilayer photovoltaic devices, a power conversion efficiency of 0.11% is observed and the external quantum efficiency of the cell under monochromatic irradiation shows a non-negligible contribution of the aggregative bind. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：1170 / 1174

页数：5

共 31 条

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