DC thanks the Israel Science Foundation, the Minerva Foundation (Munich), and the Delores and Eugene M. Zemsky John Hopkins-Weizmann Program for partial support. VBE and CDF thank the US National Science Foundation. AS and DC thank A. Kahn for illuminating discussions and a critical reading of the manuscript. We thank M. Ratner for useful comments.
Comparison of Electronic Transport Measurements on Organic Molecules†
Article first published online: 20 NOV 2003
Copyright © 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Volume 15, Issue 22, pages 1881–1890, November, 2003
How to Cite
Salomon, A., Cahen, D., Lindsay, S., Tomfohr, J., Engelkes, V.B. and Frisbie, C.D. (2003), Comparison of Electronic Transport Measurements on Organic Molecules. Adv. Mater., 15: 1881–1890. doi: 10.1002/adma.200306091
- Issue published online: 20 NOV 2003
- Article first published online: 20 NOV 2003
- Manuscript Accepted: 16 SEP 2003
- Manuscript Received: 29 AUG 2003
- Charge transport;
- Electron transport;
- Hole transport;
- Organic conductors
We compile, compare, and discuss experimental results on low-bias, room-temperature currents through organic molecules obtained in different electrode–molecule–electrode test-beds. Currents are normalized to single-molecule values for comparison and are quoted at 0.2 and 0.5 V junction bias. Emphasis is on currents through saturated alkane chains where many comparable measurements have been reported, but comparison to conjugated molecules is also made. We discuss factors that affect the magnitude of the measured current, such as tunneling attenuation factor, molecular energy gap and conformation, molecule/electrode contacts, and electrode material.