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Real-space measurement of the potential distribution inside organic semiconductors
Linköping University, Department of Physics, Chemistry and Biology, Chemical and Optical Sensor Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7104-7127
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
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2002 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 88, no 9, 096803Article in journal (Refereed) Published
Abstract [en]

We demonstrate that the soft nature of organic semiconductors can be exploited to directly measure the potential distribution inside such an organic layer by scanning-tunneling microscope (STM) based spectroscopy. Keeping the STM feedback system active while reducing the tip-sample bias forces the tip to penetrate the organic layer. From an analysis of the injection and bulk transport processes it follows that the tip height versus bias trace obtained in this way directly reflects the potential distribution in the organic layer.

Place, publisher, year, edition, pages
American Physical Society , 2002. Vol. 88, no 9, 096803
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-118220DOI: 10.1103/PhysRevLett.88.096803ISI: 000174212100058OAI: oai:DiVA.org:liu-118220DiVA: diva2:813326
Available from: 2015-05-22 Created: 2015-05-22 Last updated: 2015-05-29

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Kemerink, Martijn
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Chemical and Optical Sensor SystemsThe Institute of Technology
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