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Photo Jan Forsman

Jan Forsman

Professor

Photo Jan Forsman

Differential Capacitance of Room Temperature Ionic Liquids: The Role of Dispersion Forces

Author

  • Martin Trulsson
  • Jenny Algotsson
  • Jan Forsman
  • Clifford E. Woodward

Summary, in English

We investigate theoretical models of room temperature ionic liquids, and find that the experimentally observed camel-shape of the differential capacitance is strongly related to dispersion interactions in these systems. At low surface charge densities, the loss of dispersion interactions in the vicinity of the electrodes generates depleted densities, with a concomitant drop of the differential capacitance. This behavior is not observed in models where dispersion interactions have been removed.

Department/s

  • Computational Chemistry

Publishing year

2010

Language

English

Pages

1191-1195

Publication/Series

The Journal of Physical Chemistry Letters

Volume

1

Issue

8

Document type

Journal article

Publisher

The American Chemical Society (ACS)

Topic

  • Theoretical Chemistry (including Computational Chemistry)

Status

Published

ISBN/ISSN/Other

  • ISSN: 1948-7185