Abstract
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 2×10−4 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 C60, frequently used in organic solar cells. Visible light and Fourier-transform infrared spectroscopy confirm the donor properties of pyronin B.
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Dates
Type | When |
---|---|
Created | 22 years, 2 months ago (June 19, 2003, 6:21 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 7:46 p.m.) |
Indexed | 3 months ago (June 5, 2025, 4:26 a.m.) |
Issued | 22 years, 2 months ago (June 23, 2003) |
Published | 22 years, 2 months ago (June 23, 2003) |
Published Print | 22 years, 2 months ago (June 23, 2003) |
@article{Werner_2003, title={Pyronin B as a donor for n-type doping of organic thin films}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1583872}, DOI={10.1063/1.1583872}, number={25}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Werner, A. G. and Li, F. and Harada, K. and Pfeiffer, M. and Fritz, T. and Leo, K.}, year={2003}, month=jun, pages={4495–4497} }