Measuring wettability in the environmental scanning electron microscope: a preliminary study using microinjected oil for contact angle measurement and hysteresis

Jim Buckman, Elizabeth Jacqueline Polson, Adrian Christopher Todd

Research output: Contribution to journalArticle

Abstract

This paper presents a novel method for obtaining wettability data within an environmental scanning electron microscope (ESEM). The technique involves the use of a micro-injector to place droplets of oil on a test surface, obtaining dynamic wetting measurements, for advancing (θa) and receding contact angles (θr), by automatically moving the stage during imaging. This allows for the simultaneous capture of both θa and θr contact angles (and therefore the hysteresis) in a single image, as well as multiple repetition with good reproducibility.
LanguageEnglish
Pages13-16
Number of pages3
JournalMicroscopy and Analysis
VolumeSeptember 2014
Publication statusPublished - Sep 2014

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Angle measurement
Contact angle
Hysteresis
Wetting
Electron microscopes
Scanning
Imaging techniques
Oils

Cite this

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abstract = "This paper presents a novel method for obtaining wettability data within an environmental scanning electron microscope (ESEM). The technique involves the use of a micro-injector to place droplets of oil on a test surface, obtaining dynamic wetting measurements, for advancing (θa) and receding contact angles (θr), by automatically moving the stage during imaging. This allows for the simultaneous capture of both θa and θr contact angles (and therefore the hysteresis) in a single image, as well as multiple repetition with good reproducibility.",
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Measuring wettability in the environmental scanning electron microscope : a preliminary study using microinjected oil for contact angle measurement and hysteresis. / Buckman, Jim; Polson, Elizabeth Jacqueline; Todd, Adrian Christopher.

In: Microscopy and Analysis, Vol. September 2014, 09.2014, p. 13-16.

Research output: Contribution to journalArticle

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