TITLE

Electrochemical cell for neutron reflectometry studies of the structure of ionic liquids at electrified interface

AUTHOR(S)
Lauw, Y.; Rodopoulos, T.; Gross, M.; Nelson, A.; Gardner, R.; Horne, M. D.
PUB. DATE
July 2010
SOURCE
Review of Scientific Instruments;Jul2010, Vol. 81 Issue 7, p074101
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We describe the design and use of a closed three-electrode electrochemical cell for neutron reflectometry studies of the structure of the electrical double-layer in ionic liquids. A transparent glass counter electrode was incorporated to allow easy monitoring of any gas bubbles trapped in the cell. A 100 mm diameter silicon wafer polished to 0.1 nm rms roughness coated with gold over a chromium adhesion layer was used as the working electrode. The utility of the cell was demonstrated during neutron reflectometry measurements of the ultrahigh purity ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([C4mpyr][NTf2]) at two different applied potentials.
ACCESSION #
52616333

 

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