Scanning-tunneling spectroscopy on conjugated polymer films

M. Kemerink, S.F. Alvarado, P.M. Koenraad, R.A.J. Janssen, H.W.M. Salemink, J.H. Wolter

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Scanning-tunneling spectroscopy experiments have been performed on conjugated polymer films and have been compared to a three-dimensional numerical model for charge injection and transport. It is found that field enhancement near the tip apex leads to significant changes in the injected current, which can amount to more than an order of magnitude, and can even change the polarity of the dominant charge carrier. As a direct consequence, the single-particle band gap and band alignment of the organic material can be directly obtained from tip height-voltage (z-V) curves, provided that the tip has a sufficiently sharp apex.
Original languageEnglish
Title of host publicationOrganic and polymeric materials and devices : symposium held April 22 - 25, 2003, San Francisco, California, U.S.A.
EditorsP.W.M. Blom
Place of PublicationWarrendale
PublisherMaterials Research Society
Pages49-54
ISBN (Print)1-558-99708-3
DOIs
Publication statusPublished - 2003
EventOrganic and Polymeric Materials and Devices, April 22-25, 2003, San Francisco, CA, USA - San Francisco, CA, United States
Duration: 21 Apr 200325 Apr 2003

Publication series

NameMaterials Research Society conference proceedings
Volume771
ISSN (Print)0886-7860

Conference

ConferenceOrganic and Polymeric Materials and Devices, April 22-25, 2003, San Francisco, CA, USA
CountryUnited States
CitySan Francisco, CA
Period21/04/0325/04/03
OtherSymposium held at the 2003 MRS Spring Meeting

Fingerprint Dive into the research topics of 'Scanning-tunneling spectroscopy on conjugated polymer films'. Together they form a unique fingerprint.

  • Cite this

    Kemerink, M., Alvarado, S. F., Koenraad, P. M., Janssen, R. A. J., Salemink, H. W. M., & Wolter, J. H. (2003). Scanning-tunneling spectroscopy on conjugated polymer films. In P. W. M. Blom (Ed.), Organic and polymeric materials and devices : symposium held April 22 - 25, 2003, San Francisco, California, U.S.A. (pp. 49-54). (Materials Research Society conference proceedings; Vol. 771). Warrendale: Materials Research Society. https://doi.org/10.1557/PROC-771-L4.3