Morphology and fluorescence quenching in photovoltaic samples containing fullerene and poly (p-phenylene-vinylene) derivatives

被引：18

作者：

Röder, T

Kitzerow, HS

Hummelen, JC

机构：

[1] Univ Gesamthsch Paderborn, Fac Sci, D-33098 Paderborn, Germany

[2] Univ Groningen, Stratingh Inst & Mat Sci Ctr, NL-9747 AG Groningen, Netherlands

来源：

SYNTHETIC METALS | 2004年 / 141卷 / 03期

关键词：

photovoltaics; bulk heterojunction solar cells; fluorescence quenching; atomic force microscopy; near-field scanning optical microscopy;

D O I：

10.1016/S0379-6779(03)00412-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the morphology of different heterogeneous samples containing poly [2-methoxy,5-(3',7'-dimethyl-octyloxy)]-p-phenylene-vinylene (MDMO-PPV) and either fullerene (C(60)) or 6,6-phenyl C(61)-butyric acid methyl ester (PCBM) using atomic force microscopy in the shear force detection mode or pulsed-force mode and near-field scanning optical microscopy. These investigations confirm the large influence of preparation conditions on the morphology. Systematic variation of the layer thicknesses in two-layer samples indicate that fluoresecence quenching is restricted to ail interface layer with a thickness of about 40 nm. (C) 2003 Published by Elsevier B.V.

引用

页码：271 / 275

页数：5

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