Method for measuring solid-liquid interfacial electric field
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United States of America Patent
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Oct 30, 2018
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Feb 1, 2018
app pub date -
Jul 28, 2016
filing date -
Jul 28, 2016
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Abstract
An interfacial electric field intensity of a surface is measured by covalently binding a monolayer of a voltage sensitive chromophore to the surface and irradiating it with actinic radiation while it is in contact with a liquid and measuring a first fluorescence emission spectrum. A solution of the voltage sensitive chromophore dissolved in a sample of the liquid is also irradiated with actinic radiation and a second fluorescence emission spectrum is measured. The first and second fluorescence emission spectra are compared to determine the interfacial electric field intensity.
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