PHOTOPHYSICS AND PHOTOVOLTAIC DEVICES OF A π-EXTENDED TETRATHIAFULVALENE-FULLERENE DYADx

机译：π扩展的四硫代富勒戊烯-富勒烯DYADx的光物理和光致器件

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Fullerenes have advantageous properties for photovoltaic application like strong electron affinity and high electron mobility. Yet, their absorption in the visible range, important for solar photovoltaics, is weak. We present a novel fullerene dyad, consisting of a pi-extended tetrathiafulvalene donor, a phenylene-vinylene bridge and C_(60) as acceptor. The donor shows strong absorption in the range between 400 and 500 nm. Photoinduced charge separation is demonstrated by photoluminescence and photoinduced absorption spectroscopy. Spectroscopic evidence for the donor cation and fullerene anion is shown. The dyad molecule acts as photoactive material in thin film organic photovoltaic cells with a modest power conversion efficiency under simulated solar light.

机译：富勒烯对于光伏应用具有有利的性质，例如强电子亲和力和高电子迁移率。然而，它们在可见光范围内的吸收对太阳能光伏非常重要，但吸收能力很弱。我们提出了一种新型的富勒烯二联体，由一个π延伸的四硫富瓦烯供体，亚苯基-亚乙烯基桥和C_（60）作为受体组成。供体在400至500 nm范围内显示强吸收。光致电荷分离通过光致发光和光致吸收光谱法证明。显示了供体阳离子和富勒烯阴离子的光谱证据。二分体分子在模拟的太阳光下以适度的功率转换效率充当薄膜有机光伏电池中的光敏材料。

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《Proceedings vol.2004-12; Electrochemical Society(ECS) Annual Spring Meeting and International Symposium on Fullerenes, Nanotubes, and Carbon Nanoclusters; 20040509-13; San Antonio,TX(US)》|2004年|P.365-373|共9页
会议地点 San AntonioTX(US)
作者
C. Winder; H. Neugebauer; N. S. Sariciftci; Francesco Giacalone; Jose L. Segura; N. Martin;
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Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University of Linz, Altenbergerstrasse 69, 4040 Linz, Austria;

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原文格式 PDF
正文语种 eng
中图分类无机高分子化合物（高聚物）;
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PHOTOPHYSICS AND PHOTOVOLTAIC DEVICES OF A π-EXTENDED TETRATHIAFULVALENE-FULLERENE DYADx

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