Pyronin B as a donor for n-type doping of organic thin films

被引：117

作者：

Werner, AG ^{[1
]}

Li, F ^{[1
]}

Harada, K ^{[1
]}

Pfeiffer, M ^{[1
]}

Fritz, T ^{[1
]}

Leo, K ^{[1
]}

机构：

[1] Tech Univ Dresden, Inst Angew Photophys, D-01062 Dresden, Germany

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 25期

关键词：

D O I：

10.1063/1.1583872

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present an approach to stable n-type doping of organic matrices using organic dopands. To circumvent stability limitations inherent in strong organic donors, we produce the donor from a stable precursor compound in situ. As an example, pyronin B chloride is studied as a dopant in a 1,4,5,8-naphthalene tetracarboxylic dianhydride matrix. Conductivities up to 2x10(-4) S/cm are obtained, which is two orders of magnitude higher than obtained previously using bis(ethylenedithio)-tetrathiafulvalene as a dopant [A. Nollau, M. Pfeiffer, T. Fritz, and K. Leo, J. Appl. Phys. 87, 4340 (2000)]. Field-effect measurements are used to prove n-type conduction. Other matrices which can be doped are N,N'-dimethyl-perylene-3,4,9,10-tetracarboxylic diimide and fullerene C-60, frequently used in organic solar cells. Visible light and Fourier-transform infrared spectroscopy confirm the donor properties of pyronin B. (C) 2003 American Institute of Physics.

引用

页码：4495 / 4497

页数：3

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